id	sid	tid	token	lemma	pos
39	1	1	The	the	DT
39	1	2	Hitchhikers	Hitchhikers	NNPS
39	1	3	Guide	Guide	NNP
39	1	4	to	to	IN
39	1	5	the	the	DT
39	1	6	Internet	internet	NN
39	1	7	25	25	CD
39	1	8	August	August	NNP
39	1	9	1987	1987	CD
39	1	10	Ed	Ed	NNP
39	1	11	Krol	Krol	NNP
39	1	12	krol@uxc.cso.uiuc.edu	krol@uxc.cso.uiuc.edu	NNP
39	1	13	This	this	DT
39	1	14	document	document	NN
39	1	15	was	be	VBD
39	1	16	produced	produce	VBN
39	1	17	through	through	IN
39	1	18	funding	funding	NN
39	1	19	of	of	IN
39	1	20	the	the	DT
39	1	21	National	National	NNP
39	1	22	Science	Science	NNP
39	1	23	Foundation	Foundation	NNP
39	1	24	.	.	.
39	2	1	Copyright	copyright	NN
39	2	2	(	(	-LRB-
39	2	3	C	c	NN
39	2	4	)	)	-RRB-
39	2	5	1987	1987	CD
39	2	6	,	,	,
39	2	7	by	by	IN
39	2	8	the	the	DT
39	2	9	Board	Board	NNP
39	2	10	of	of	IN
39	2	11	Trustees	Trustees	NNPS
39	2	12	of	of	IN
39	2	13	The	the	DT
39	2	14	University	University	NNP
39	2	15	of	of	IN
39	2	16	Illinois	Illinois	NNP
39	2	17	.	.	.
39	3	1	Permission	permission	NN
39	3	2	to	to	TO
39	3	3	duplicate	duplicate	VB
39	3	4	this	this	DT
39	3	5	document	document	NN
39	3	6	,	,	,
39	3	7	in	in	IN
39	3	8	whole	whole	NN
39	3	9	or	or	CC
39	3	10	part	part	NN
39	3	11	,	,	,
39	3	12	is	be	VBZ
39	3	13	granted	grant	VBN
39	3	14	provided	provide	VBN
39	3	15	reference	reference	NN
39	3	16	is	be	VBZ
39	3	17	made	make	VBN
39	3	18	to	to	IN
39	3	19	the	the	DT
39	3	20	source	source	NN
39	3	21	and	and	CC
39	3	22	this	this	DT
39	3	23	copyright	copyright	NN
39	3	24	is	be	VBZ
39	3	25	included	include	VBN
39	3	26	in	in	IN
39	3	27	whole	whole	JJ
39	3	28	copies	copy	NNS
39	3	29	.	.	.
39	4	1	This	this	DT
39	4	2	document	document	NN
39	4	3	assumes	assume	VBZ
39	4	4	that	that	IN
39	4	5	one	one	CD
39	4	6	is	be	VBZ
39	4	7	familiar	familiar	JJ
39	4	8	with	with	IN
39	4	9	the	the	DT
39	4	10	workings	working	NNS
39	4	11	of	of	IN
39	4	12	a	a	DT
39	4	13	non	non	JJ
39	4	14	-	-	JJ
39	4	15	connected	connected	JJ
39	4	16	simple	simple	JJ
39	4	17	IP	IP	NNP
39	4	18	network	network	NN
39	4	19	(	(	-LRB-
39	4	20	e.g.	e.g.	RB
39	5	1	a	a	DT
39	5	2	few	few	JJ
39	5	3	4.2	4.2	CD
39	5	4	BSD	BSD	NNP
39	5	5	systems	system	NNS
39	5	6	on	on	IN
39	5	7	an	an	DT
39	5	8	Ethernet	Ethernet	NNP
39	5	9	not	not	RB
39	5	10	connected	connect	VBN
39	5	11	to	to	IN
39	5	12	anywhere	anywhere	RB
39	5	13	else	else	RB
39	5	14	)	)	-RRB-
39	5	15	.	.	.
39	6	1	Appendix	Appendix	NNP
39	6	2	A	a	DT
39	6	3	contains	contain	VBZ
39	6	4	remedial	remedial	JJ
39	6	5	information	information	NN
39	6	6	to	to	TO
39	6	7	get	get	VB
39	6	8	one	one	CD
39	6	9	to	to	IN
39	6	10	this	this	DT
39	6	11	point	point	NN
39	6	12	.	.	.
39	7	1	Its	-PRON-	PRP$
39	7	2	purpose	purpose	NN
39	7	3	is	be	VBZ
39	7	4	to	to	TO
39	7	5	get	get	VB
39	7	6	that	that	DT
39	7	7	person	person	NN
39	7	8	,	,	,
39	7	9	familiar	familiar	JJ
39	7	10	with	with	IN
39	7	11	a	a	DT
39	7	12	simple	simple	JJ
39	7	13	net	net	NN
39	7	14	,	,	,
39	7	15	versed	verse	VBN
39	7	16	in	in	IN
39	7	17	the	the	DT
39	7	18	"	"	``
39	7	19	oral	oral	JJ
39	7	20	tradition	tradition	NN
39	7	21	"	"	''
39	7	22	of	of	IN
39	7	23	the	the	DT
39	7	24	Internet	internet	NN
39	7	25	to	to	IN
39	7	26	the	the	DT
39	7	27	point	point	NN
39	7	28	that	that	IN
39	7	29	that	that	DT
39	7	30	net	net	NN
39	7	31	can	can	MD
39	7	32	be	be	VB
39	7	33	connected	connect	VBN
39	7	34	to	to	IN
39	7	35	the	the	DT
39	7	36	Internet	internet	NN
39	7	37	with	with	IN
39	7	38	little	little	JJ
39	7	39	danger	danger	NN
39	7	40	to	to	IN
39	7	41	either	either	RB
39	7	42	.	.	.
39	8	1	It	-PRON-	PRP
39	8	2	is	be	VBZ
39	8	3	not	not	RB
39	8	4	a	a	DT
39	8	5	tutorial	tutorial	NN
39	8	6	,	,	,
39	8	7	it	-PRON-	PRP
39	8	8	consists	consist	VBZ
39	8	9	of	of	IN
39	8	10	pointers	pointer	NNS
39	8	11	to	to	IN
39	8	12	other	other	JJ
39	8	13	places	place	NNS
39	8	14	,	,	,
39	8	15	literature	literature	NN
39	8	16	,	,	,
39	8	17	and	and	CC
39	8	18	hints	hint	NNS
39	8	19	which	which	WDT
39	8	20	are	be	VBP
39	8	21	not	not	RB
39	8	22	normally	normally	RB
39	8	23	documented	document	VBN
39	8	24	.	.	.
39	9	1	Since	since	IN
39	9	2	the	the	DT
39	9	3	Internet	internet	NN
39	9	4	is	be	VBZ
39	9	5	a	a	DT
39	9	6	dynamic	dynamic	JJ
39	9	7	environment	environment	NN
39	9	8	,	,	,
39	9	9	changes	change	VBZ
39	9	10	to	to	IN
39	9	11	this	this	DT
39	9	12	document	document	NN
39	9	13	will	will	MD
39	9	14	be	be	VB
39	9	15	made	make	VBN
39	9	16	regularly	regularly	RB
39	9	17	.	.	.
39	10	1	The	the	DT
39	10	2	author	author	NN
39	10	3	welcomes	welcome	VBZ
39	10	4	comments	comment	NNS
39	10	5	and	and	CC
39	10	6	suggestions	suggestion	NNS
39	10	7	.	.	.
39	11	1	This	this	DT
39	11	2	is	be	VBZ
39	11	3	especially	especially	RB
39	11	4	true	true	JJ
39	11	5	of	of	IN
39	11	6	terms	term	NNS
39	11	7	for	for	IN
39	11	8	the	the	DT
39	11	9	glossary	glossary	NN
39	11	10	(	(	-LRB-
39	11	11	definitions	definition	NNS
39	11	12	are	be	VBP
39	11	13	not	not	RB
39	11	14	necessary	necessary	JJ
39	11	15	)	)	-RRB-
39	11	16	.	.	.
39	12	1	In	in	IN
39	12	2	the	the	DT
39	12	3	beginning	beginning	NN
39	12	4	there	there	EX
39	12	5	was	be	VBD
39	12	6	the	the	DT
39	12	7	ARPAnet	arpanet	NN
39	12	8	,	,	,
39	12	9	a	a	DT
39	12	10	wide	wide	JJ
39	12	11	area	area	NN
39	12	12	experimental	experimental	JJ
39	12	13	network	network	NN
39	12	14	connecting	connect	VBG
39	12	15	hosts	host	NNS
39	12	16	and	and	CC
39	12	17	terminal	terminal	NN
39	12	18	servers	server	NNS
39	12	19	together	together	RB
39	12	20	.	.	.
39	13	1	Procedures	procedure	NNS
39	13	2	were	be	VBD
39	13	3	set	set	VBN
39	13	4	up	up	RP
39	13	5	to	to	TO
39	13	6	regulate	regulate	VB
39	13	7	the	the	DT
39	13	8	allocation	allocation	NN
39	13	9	of	of	IN
39	13	10	addresses	address	NNS
39	13	11	and	and	CC
39	13	12	to	to	TO
39	13	13	create	create	VB
39	13	14	voluntary	voluntary	JJ
39	13	15	standards	standard	NNS
39	13	16	for	for	IN
39	13	17	the	the	DT
39	13	18	network	network	NN
39	13	19	.	.	.
39	14	1	As	as	IN
39	14	2	local	local	JJ
39	14	3	area	area	NN
39	14	4	networks	network	NNS
39	14	5	became	become	VBD
39	14	6	more	more	RBR
39	14	7	pervasive	pervasive	JJ
39	14	8	,	,	,
39	14	9	many	many	JJ
39	14	10	hosts	host	NNS
39	14	11	became	become	VBD
39	14	12	gateways	gateway	NNS
39	14	13	to	to	IN
39	14	14	local	local	JJ
39	14	15	networks	network	NNS
39	14	16	.	.	.
39	15	1	A	a	DT
39	15	2	network	network	NN
39	15	3	layer	layer	NN
39	15	4	to	to	TO
39	15	5	allow	allow	VB
39	15	6	the	the	DT
39	15	7	interoperation	interoperation	NN
39	15	8	of	of	IN
39	15	9	these	these	DT
39	15	10	networks	network	NNS
39	15	11	was	be	VBD
39	15	12	developed	develop	VBN
39	15	13	and	and	CC
39	15	14	called	call	VBN
39	15	15	IP	IP	NNP
39	15	16	(	(	-LRB-
39	15	17	Internet	Internet	NNP
39	15	18	Protocol	Protocol	NNP
39	15	19	)	)	-RRB-
39	15	20	.	.	.
39	16	1	Over	over	IN
39	16	2	time	time	NN
39	16	3	other	other	JJ
39	16	4	groups	group	NNS
39	16	5	created	create	VBD
39	16	6	long	long	JJ
39	16	7	haul	haul	NN
39	16	8	IP	IP	NNP
39	16	9	based	base	VBN
39	16	10	networks	network	NNS
39	16	11	(	(	-LRB-
39	16	12	NASA	NASA	NNP
39	16	13	,	,	,
39	16	14	NSF	NSF	NNP
39	16	15	,	,	,
39	16	16	states	state	NNS
39	16	17	...	...	NFP
39	16	18	)	)	-RRB-
39	16	19	.	.	.
39	17	1	These	these	DT
39	17	2	nets	net	NNS
39	17	3	,	,	,
39	17	4	too	too	RB
39	17	5	,	,	,
39	17	6	interoperate	interoperate	JJ
39	17	7	because	because	IN
39	17	8	of	of	IN
39	17	9	IP	IP	NNP
39	17	10	.	.	.
39	18	1	The	the	DT
39	18	2	collection	collection	NN
39	18	3	of	of	IN
39	18	4	all	all	DT
39	18	5	of	of	IN
39	18	6	these	these	DT
39	18	7	interoperating	interoperate	VBG
39	18	8	networks	network	NNS
39	18	9	is	be	VBZ
39	18	10	the	the	DT
39	18	11	Internet	internet	NN
39	18	12	.	.	.
39	19	1	Two	two	CD
39	19	2	groups	group	NNS
39	19	3	do	do	VBP
39	19	4	much	much	JJ
39	19	5	of	of	IN
39	19	6	the	the	DT
39	19	7	research	research	NN
39	19	8	and	and	CC
39	19	9	information	information	NN
39	19	10	work	work	NN
39	19	11	of	of	IN
39	19	12	the	the	DT
39	19	13	Internet	internet	NN
39	19	14	(	(	-LRB-
39	19	15	ISI	ISI	NNP
39	19	16	and	and	CC
39	19	17	SRI	SRI	NNP
39	19	18	)	)	-RRB-
39	19	19	.	.	.
39	20	1	ISI	ISI	NNP
39	20	2	(	(	-LRB-
39	20	3	the	the	DT
39	20	4	Informational	Informational	NNP
39	20	5	Sciences	Sciences	NNPS
39	20	6	Institute	Institute	NNP
39	20	7	)	)	-RRB-
39	20	8	does	do	VBZ
39	20	9	much	much	JJ
39	20	10	of	of	IN
39	20	11	the	the	DT
39	20	12	research	research	NN
39	20	13	,	,	,
39	20	14	standardization	standardization	NN
39	20	15	,	,	,
39	20	16	and	and	CC
39	20	17	allocation	allocation	NN
39	20	18	work	work	NN
39	20	19	of	of	IN
39	20	20	the	the	DT
39	20	21	Internet	internet	NN
39	20	22	.	.	.
39	21	1	SRI	SRI	NNP
39	21	2	International	International	NNP
39	21	3	provides	provide	VBZ
39	21	4	information	information	NN
39	21	5	services	service	NNS
39	21	6	for	for	IN
39	21	7	the	the	DT
39	21	8	Internet	internet	NN
39	21	9	.	.	.
39	22	1	In	in	IN
39	22	2	fact	fact	NN
39	22	3	,	,	,
39	22	4	after	after	IN
39	22	5	you	-PRON-	PRP
39	22	6	are	be	VBP
39	22	7	connected	connected	JJ
39	22	8	to	to	IN
39	22	9	the	the	DT
39	22	10	Internet	internet	NN
39	22	11	most	most	JJS
39	22	12	of	of	IN
39	22	13	the	the	DT
39	22	14	information	information	NN
39	22	15	in	in	IN
39	22	16	this	this	DT
39	22	17	document	document	NN
39	22	18	can	can	MD
39	22	19	be	be	VB
39	22	20	retrieved	retrieve	VBN
39	22	21	from	from	IN
39	22	22	the	the	DT
39	22	23	Network	Network	NNP
39	22	24	Information	Information	NNP
39	22	25	Center	Center	NNP
39	22	26	(	(	-LRB-
39	22	27	NIC	NIC	NNP
39	22	28	)	)	-RRB-
39	22	29	run	run	VBN
39	22	30	by	by	IN
39	22	31	SRI	SRI	NNP
39	22	32	.	.	.
39	23	1	Operating	operate	VBG
39	23	2	the	the	DT
39	23	3	Internet	internet	NN
39	23	4	Each	each	DT
39	23	5	network	network	NN
39	23	6	,	,	,
39	23	7	be	be	VB
39	23	8	it	-PRON-	PRP
39	23	9	the	the	DT
39	23	10	ARPAnet	arpanet	NN
39	23	11	,	,	,
39	23	12	NSFnet	NSFnet	NNP
39	23	13	or	or	CC
39	23	14	a	a	DT
39	23	15	regional	regional	JJ
39	23	16	network	network	NN
39	23	17	,	,	,
39	23	18	has	have	VBZ
39	23	19	its	-PRON-	PRP$
39	23	20	own	own	JJ
39	23	21	operations	operation	NNS
39	23	22	center	center	NN
39	23	23	.	.	.
39	24	1	The	the	DT
39	24	2	ARPAnet	arpanet	NN
39	24	3	is	be	VBZ
39	24	4	run	run	VBN
39	24	5	by	by	IN
39	24	6	BBN	BBN	NNP
39	24	7	,	,	,
39	24	8	Inc.	Inc.	NNP
39	24	9	under	under	IN
39	24	10	contract	contract	NN
39	24	11	from	from	IN
39	24	12	DARPA	DARPA	NNP
39	24	13	.	.	.
39	25	1	Their	-PRON-	PRP$
39	25	2	facility	facility	NN
39	25	3	is	be	VBZ
39	25	4	called	call	VBN
39	25	5	the	the	DT
39	25	6	Network	Network	NNP
39	25	7	Operations	Operations	NNPS
39	25	8	Center	Center	NNP
39	25	9	or	or	CC
39	25	10	NOC	NOC	NNP
39	25	11	.	.	.
39	26	1	Cornell	Cornell	NNP
39	26	2	University	University	NNP
39	26	3	temporarily	temporarily	RB
39	26	4	operates	operate	VBZ
39	26	5	NSFnet	NSFnet	NNP
39	26	6	(	(	-LRB-
39	26	7	called	call	VBN
39	26	8	the	the	DT
39	26	9	Network	Network	NNP
39	26	10	Information	Information	NNP
39	26	11	Service	Service	NNP
39	26	12	Center	Center	NNP
39	26	13	,	,	,
39	26	14	NISC	NISC	NNP
39	26	15	)	)	-RRB-
39	26	16	.	.	.
39	27	1	It	-PRON-	PRP
39	27	2	goes	go	VBZ
39	27	3	on	on	RP
39	27	4	to	to	IN
39	27	5	the	the	DT
39	27	6	-2-	-2-	:
39	27	7	regionals	regional	NNS
39	27	8	having	have	VBG
39	27	9	similar	similar	JJ
39	27	10	facilities	facility	NNS
39	27	11	to	to	TO
39	27	12	monitor	monitor	VB
39	27	13	and	and	CC
39	27	14	keep	keep	VB
39	27	15	watch	watch	NN
39	27	16	over	over	IN
39	27	17	the	the	DT
39	27	18	goings	going	NNS
39	27	19	on	on	RP
39	27	20	of	of	IN
39	27	21	their	-PRON-	PRP$
39	27	22	portion	portion	NN
39	27	23	of	of	IN
39	27	24	the	the	DT
39	27	25	Internet	internet	NN
39	27	26	.	.	.
39	28	1	In	in	IN
39	28	2	addition	addition	NN
39	28	3	,	,	,
39	28	4	they	-PRON-	PRP
39	28	5	all	all	DT
39	28	6	should	should	MD
39	28	7	have	have	VB
39	28	8	some	some	DT
39	28	9	knowledge	knowledge	NN
39	28	10	of	of	IN
39	28	11	what	what	WP
39	28	12	is	be	VBZ
39	28	13	happening	happen	VBG
39	28	14	to	to	IN
39	28	15	the	the	DT
39	28	16	Internet	internet	NN
39	28	17	in	in	IN
39	28	18	total	total	NN
39	28	19	.	.	.
39	29	1	If	if	IN
39	29	2	a	a	DT
39	29	3	problem	problem	NN
39	29	4	comes	come	VBZ
39	29	5	up	up	RP
39	29	6	,	,	,
39	29	7	it	-PRON-	PRP
39	29	8	is	be	VBZ
39	29	9	suggested	suggest	VBN
39	29	10	that	that	IN
39	29	11	a	a	DT
39	29	12	campus	campus	NN
39	29	13	network	network	NN
39	29	14	liaison	liaison	NN
39	29	15	should	should	MD
39	29	16	contact	contact	VB
39	29	17	the	the	DT
39	29	18	network	network	NN
39	29	19	operator	operator	NN
39	29	20	to	to	TO
39	29	21	which	which	WDT
39	29	22	he	-PRON-	PRP
39	29	23	is	be	VBZ
39	29	24	directly	directly	RB
39	29	25	connected	connect	VBN
39	29	26	.	.	.
39	30	1	That	that	RB
39	30	2	is	is	RB
39	30	3	,	,	,
39	30	4	if	if	IN
39	30	5	you	-PRON-	PRP
39	30	6	are	be	VBP
39	30	7	connected	connect	VBN
39	30	8	to	to	IN
39	30	9	a	a	DT
39	30	10	regional	regional	JJ
39	30	11	network	network	NN
39	30	12	(	(	-LRB-
39	30	13	which	which	WDT
39	30	14	is	be	VBZ
39	30	15	gatewayed	gatewaye	VBN
39	30	16	to	to	IN
39	30	17	the	the	DT
39	30	18	NSFnet	NSFnet	NNP
39	30	19	,	,	,
39	30	20	which	which	WDT
39	30	21	is	be	VBZ
39	30	22	connected	connect	VBN
39	30	23	to	to	IN
39	30	24	the	the	DT
39	30	25	ARPAnet	arpanet	NN
39	30	26	...	...	.
39	30	27	)	)	-RRB-
39	30	28	and	and	CC
39	30	29	have	have	VB
39	30	30	a	a	DT
39	30	31	problem	problem	NN
39	30	32	,	,	,
39	30	33	you	-PRON-	PRP
39	30	34	should	should	MD
39	30	35	contact	contact	VB
39	30	36	your	-PRON-	PRP$
39	30	37	regional	regional	JJ
39	30	38	network	network	NN
39	30	39	operations	operation	NNS
39	30	40	center	center	NN
39	30	41	.	.	.
39	31	1	RFCs	RFCs	NNP
39	31	2	The	the	DT
39	31	3	internal	internal	JJ
39	31	4	workings	working	NNS
39	31	5	of	of	IN
39	31	6	the	the	DT
39	31	7	Internet	internet	NN
39	31	8	are	be	VBP
39	31	9	defined	define	VBN
39	31	10	by	by	IN
39	31	11	a	a	DT
39	31	12	set	set	NN
39	31	13	of	of	IN
39	31	14	documents	document	NNS
39	31	15	called	call	VBN
39	31	16	RFCs	RFCs	NNP
39	31	17	(	(	-LRB-
39	31	18	Request	request	NN
39	31	19	for	for	IN
39	31	20	Comments	comment	NNS
39	31	21	)	)	-RRB-
39	31	22	.	.	.
39	32	1	The	the	DT
39	32	2	general	general	JJ
39	32	3	process	process	NN
39	32	4	for	for	IN
39	32	5	creating	create	VBG
39	32	6	an	an	DT
39	32	7	RFC	RFC	NNP
39	32	8	is	be	VBZ
39	32	9	for	for	IN
39	32	10	someone	someone	NN
39	32	11	wanting	want	VBG
39	32	12	something	something	NN
39	32	13	formalized	formalize	VBN
39	32	14	to	to	TO
39	32	15	write	write	VB
39	32	16	a	a	DT
39	32	17	document	document	NN
39	32	18	describing	describe	VBG
39	32	19	the	the	DT
39	32	20	issue	issue	NN
39	32	21	and	and	CC
39	32	22	mailing	mail	VBG
39	32	23	it	-PRON-	PRP
39	32	24	to	to	IN
39	32	25	Jon	Jon	NNP
39	32	26	Postel	Postel	NNP
39	32	27	(	(	-LRB-
39	32	28	postel@isi.edu	postel@isi.edu	NNP
39	32	29	)	)	-RRB-
39	32	30	.	.	.
39	33	1	He	-PRON-	PRP
39	33	2	acts	act	VBZ
39	33	3	as	as	IN
39	33	4	a	a	DT
39	33	5	referee	referee	NN
39	33	6	for	for	IN
39	33	7	the	the	DT
39	33	8	proposal	proposal	NN
39	33	9	.	.	.
39	34	1	It	-PRON-	PRP
39	34	2	is	be	VBZ
39	34	3	then	then	RB
39	34	4	commented	comment	VBN
39	34	5	upon	upon	IN
39	34	6	by	by	IN
39	34	7	all	all	PDT
39	34	8	those	those	DT
39	34	9	wishing	wish	VBG
39	34	10	to	to	TO
39	34	11	take	take	VB
39	34	12	part	part	NN
39	34	13	in	in	IN
39	34	14	the	the	DT
39	34	15	discussion	discussion	NN
39	34	16	(	(	-LRB-
39	34	17	electronically	electronically	RB
39	34	18	of	of	IN
39	34	19	course	course	NN
39	34	20	)	)	-RRB-
39	34	21	.	.	.
39	35	1	It	-PRON-	PRP
39	35	2	may	may	MD
39	35	3	go	go	VB
39	35	4	through	through	IN
39	35	5	multiple	multiple	JJ
39	35	6	revisions	revision	NNS
39	35	7	.	.	.
39	36	1	Should	Should	MD
39	36	2	it	-PRON-	PRP
39	36	3	be	be	VB
39	36	4	generally	generally	RB
39	36	5	accepted	accept	VBN
39	36	6	as	as	IN
39	36	7	a	a	DT
39	36	8	good	good	JJ
39	36	9	idea	idea	NN
39	36	10	,	,	,
39	36	11	it	-PRON-	PRP
39	36	12	will	will	MD
39	36	13	be	be	VB
39	36	14	assigned	assign	VBN
39	36	15	a	a	DT
39	36	16	number	number	NN
39	36	17	and	and	CC
39	36	18	filed	file	VBN
39	36	19	with	with	IN
39	36	20	the	the	DT
39	36	21	RFCs	rfc	NNS
39	36	22	.	.	.
39	37	1	The	the	DT
39	37	2	RFCs	rfc	NNS
39	37	3	can	can	MD
39	37	4	be	be	VB
39	37	5	divided	divide	VBN
39	37	6	into	into	IN
39	37	7	five	five	CD
39	37	8	groups	group	NNS
39	37	9	:	:	:
39	37	10	required	require	VBN
39	37	11	,	,	,
39	37	12	suggested	suggest	VBD
39	37	13	,	,	,
39	37	14	directional	directional	JJ
39	37	15	,	,	,
39	37	16	informational	informational	JJ
39	37	17	and	and	CC
39	37	18	obsolete	obsolete	JJ
39	37	19	.	.	.
39	38	1	Required	require	VBN
39	38	2	RFC	RFC	NNP
39	38	3	's	's	POS
39	38	4	(	(	-LRB-
39	38	5	e.g.	e.g.	RB
39	39	1	RFC-791	rfc-791	UH
39	39	2	,	,	,
39	39	3	The	the	DT
39	39	4	Internet	Internet	NNP
39	39	5	Protocol	Protocol	NNP
39	39	6	)	)	-RRB-
39	39	7	must	must	MD
39	39	8	be	be	VB
39	39	9	implemented	implement	VBN
39	39	10	on	on	IN
39	39	11	any	any	DT
39	39	12	host	host	NN
39	39	13	connected	connect	VBN
39	39	14	to	to	IN
39	39	15	the	the	DT
39	39	16	Internet	internet	NN
39	39	17	.	.	.
39	40	1	Suggested	suggest	VBN
39	40	2	RFCs	rfc	NNS
39	40	3	are	be	VBP
39	40	4	generally	generally	RB
39	40	5	implemented	implement	VBN
39	40	6	by	by	IN
39	40	7	network	network	NN
39	40	8	hosts	host	NNS
39	40	9	.	.	.
39	41	1	Lack	lack	NN
39	41	2	of	of	IN
39	41	3	them	-PRON-	PRP
39	41	4	does	do	VBZ
39	41	5	not	not	RB
39	41	6	preclude	preclude	VB
39	41	7	access	access	NN
39	41	8	to	to	IN
39	41	9	the	the	DT
39	41	10	Internet	internet	NN
39	41	11	,	,	,
39	41	12	but	but	CC
39	41	13	may	may	MD
39	41	14	impact	impact	VB
39	41	15	its	-PRON-	PRP$
39	41	16	usability	usability	NN
39	41	17	.	.	.
39	42	1	RFC-793	RFC-793	NNP
39	42	2	(	(	-LRB-
39	42	3	Transmission	Transmission	NNP
39	42	4	Control	Control	NNP
39	42	5	Protocol	Protocol	NNP
39	42	6	)	)	-RRB-
39	42	7	is	be	VBZ
39	42	8	a	a	DT
39	42	9	suggested	suggest	VBN
39	42	10	RFC	RFC	NNP
39	42	11	.	.	.
39	43	1	Directional	directional	JJ
39	43	2	RFCs	rfc	NNS
39	43	3	were	be	VBD
39	43	4	discussed	discuss	VBN
39	43	5	and	and	CC
39	43	6	agreed	agree	VBN
39	43	7	to	to	TO
39	43	8	,	,	,
39	43	9	but	but	CC
39	43	10	their	-PRON-	PRP$
39	43	11	application	application	NN
39	43	12	has	have	VBZ
39	43	13	never	never	RB
39	43	14	come	come	VBN
39	43	15	into	into	IN
39	43	16	wide	wide	JJ
39	43	17	use	use	NN
39	43	18	.	.	.
39	44	1	This	this	DT
39	44	2	may	may	MD
39	44	3	be	be	VB
39	44	4	due	due	IN
39	44	5	to	to	IN
39	44	6	the	the	DT
39	44	7	lack	lack	NN
39	44	8	of	of	IN
39	44	9	wide	wide	JJ
39	44	10	need	need	NN
39	44	11	for	for	IN
39	44	12	the	the	DT
39	44	13	specific	specific	JJ
39	44	14	application	application	NN
39	44	15	(	(	-LRB-
39	44	16	RFC-937	rfc-937	$
39	44	17	The	the	DT
39	44	18	Post	Post	NNP
39	44	19	Office	Office	NNP
39	44	20	Protocol	Protocol	NNP
39	44	21	)	)	-RRB-
39	44	22	or	or	CC
39	44	23	that	that	IN
39	44	24	,	,	,
39	44	25	although	although	IN
39	44	26	technically	technically	RB
39	44	27	superior	superior	JJ
39	44	28	,	,	,
39	44	29	ran	run	VBD
39	44	30	against	against	IN
39	44	31	other	other	JJ
39	44	32	pervasive	pervasive	JJ
39	44	33	approaches	approach	NNS
39	44	34	(	(	-LRB-
39	44	35	RFC-891	rfc-891	UH
39	44	36	Hello	hello	UH
39	44	37	)	)	-RRB-
39	44	38	.	.	.
39	45	1	It	-PRON-	PRP
39	45	2	is	be	VBZ
39	45	3	suggested	suggest	VBN
39	45	4	that	that	IN
39	45	5	should	should	MD
39	45	6	the	the	DT
39	45	7	facility	facility	NN
39	45	8	be	be	VB
39	45	9	required	require	VBN
39	45	10	by	by	IN
39	45	11	a	a	DT
39	45	12	particular	particular	JJ
39	45	13	site	site	NN
39	45	14	,	,	,
39	45	15	animplementation	animplementation	NN
39	45	16	be	be	VB
39	45	17	done	do	VBN
39	45	18	in	in	IN
39	45	19	accordance	accordance	NN
39	45	20	with	with	IN
39	45	21	the	the	DT
39	45	22	RFC	RFC	NNP
39	45	23	.	.	.
39	46	1	This	this	DT
39	46	2	insures	insure	VBZ
39	46	3	that	that	IN
39	46	4	,	,	,
39	46	5	should	should	MD
39	46	6	the	the	DT
39	46	7	idea	idea	NN
39	46	8	be	be	VB
39	46	9	one	one	CD
39	46	10	whose	whose	WP$
39	46	11	time	time	NN
39	46	12	has	have	VBZ
39	46	13	come	come	VBN
39	46	14	,	,	,
39	46	15	the	the	DT
39	46	16	implementation	implementation	NN
39	46	17	will	will	MD
39	46	18	be	be	VB
39	46	19	in	in	IN
39	46	20	accordance	accordance	NN
39	46	21	with	with	IN
39	46	22	some	some	DT
39	46	23	standard	standard	NN
39	46	24	and	and	CC
39	46	25	will	will	MD
39	46	26	be	be	VB
39	46	27	generally	generally	RB
39	46	28	usable	usable	JJ
39	46	29	.	.	.
39	47	1	Informational	informational	JJ
39	47	2	RFCs	rfc	NNS
39	47	3	contain	contain	VBP
39	47	4	factual	factual	JJ
39	47	5	information	information	NN
39	47	6	about	about	IN
39	47	7	the	the	DT
39	47	8	Internet	internet	NN
39	47	9	and	and	CC
39	47	10	its	-PRON-	PRP$
39	47	11	operation	operation	NN
39	47	12	(	(	-LRB-
39	47	13	RFC-990	rfc-990	UH
39	47	14	,	,	,
39	47	15	Assigned	Assigned	NNP
39	47	16	Numbers	Numbers	NNPS
39	47	17	)	)	-RRB-
39	47	18	.	.	.
39	48	1	Finally	finally	RB
39	48	2	,	,	,
39	48	3	as	as	IN
39	48	4	the	the	DT
39	48	5	Internet	internet	NN
39	48	6	and	and	CC
39	48	7	technology	technology	NN
39	48	8	have	have	VBP
39	48	9	grown	grow	VBN
39	48	10	,	,	,
39	48	11	some	some	DT
39	48	12	RFCs	rfc	NNS
39	48	13	have	have	VBP
39	48	14	become	become	VBN
39	48	15	unnecessary	unnecessary	JJ
39	48	16	.	.	.
39	49	1	These	these	DT
39	49	2	obsolete	obsolete	JJ
39	49	3	RFCs	rfc	NNS
39	49	4	can	can	MD
39	49	5	not	not	RB
39	49	6	be	be	VB
39	49	7	ignored	ignore	VBN
39	49	8	,	,	,
39	49	9	however	however	RB
39	49	10	.	.	.
39	50	1	Frequently	frequently	RB
39	50	2	when	when	WRB
39	50	3	a	a	DT
39	50	4	change	change	NN
39	50	5	is	be	VBZ
39	50	6	made	make	VBN
39	50	7	to	to	IN
39	50	8	some	some	DT
39	50	9	RFC	RFC	NNP
39	50	10	that	that	WDT
39	50	11	causes	cause	VBZ
39	50	12	a	a	DT
39	50	13	new	new	JJ
39	50	14	one	one	NN
39	50	15	to	to	TO
39	50	16	be	be	VB
39	50	17	issued	issue	VBN
39	50	18	obsoleting	obsolete	VBG
39	50	19	others	other	NNS
39	50	20	,	,	,
39	50	21	the	the	DT
39	50	22	new	new	JJ
39	50	23	RFC	RFC	NNP
39	50	24	only	only	RB
39	50	25	contains	contain	VBZ
39	50	26	explanations	explanation	NNS
39	50	27	and	and	CC
39	50	28	motivations	motivation	NNS
39	50	29	for	for	IN
39	50	30	the	the	DT
39	50	31	change	change	NN
39	50	32	.	.	.
39	51	1	Understanding	understand	VBG
39	51	2	the	the	DT
39	51	3	model	model	NN
39	51	4	on	on	IN
39	51	5	which	which	WDT
39	51	6	the	the	DT
39	51	7	whole	whole	JJ
39	51	8	facility	facility	NN
39	51	9	is	be	VBZ
39	51	10	based	base	VBN
39	51	11	may	may	MD
39	51	12	involve	involve	VB
39	51	13	reading	read	VBG
39	51	14	the	the	DT
39	51	15	original	original	JJ
39	51	16	and	and	CC
39	51	17	subsequent	subsequent	JJ
39	51	18	RFCs	rfc	NNS
39	51	19	on	on	IN
39	51	20	the	the	DT
39	51	21	topic	topic	NN
39	51	22	.	.	.
39	52	1	-3-	-3-	:
39	52	2	(	(	-LRB-
39	52	3	Appendix	Appendix	NNP
39	52	4	B	B	NNP
39	52	5	contains	contain	VBZ
39	52	6	a	a	DT
39	52	7	list	list	NN
39	52	8	of	of	IN
39	52	9	what	what	WP
39	52	10	are	be	VBP
39	52	11	considered	consider	VBN
39	52	12	to	to	TO
39	52	13	be	be	VB
39	52	14	the	the	DT
39	52	15	major	major	JJ
39	52	16	RFCs	rfc	NNS
39	52	17	necessary	necessary	JJ
39	52	18	for	for	IN
39	52	19	understanding	understand	VBG
39	52	20	the	the	DT
39	52	21	Internet	internet	NN
39	52	22	)	)	-RRB-
39	52	23	.	.	.
39	53	1	The	the	DT
39	53	2	Network	Network	NNP
39	53	3	Information	Information	NNP
39	53	4	Center	Center	NNP
39	53	5	The	the	DT
39	53	6	NIC	NIC	NNP
39	53	7	is	be	VBZ
39	53	8	a	a	DT
39	53	9	facility	facility	NN
39	53	10	available	available	JJ
39	53	11	to	to	IN
39	53	12	all	all	DT
39	53	13	Internet	internet	NN
39	53	14	users	user	NNS
39	53	15	which	which	WDT
39	53	16	provides	provide	VBZ
39	53	17	information	information	NN
39	53	18	to	to	IN
39	53	19	the	the	DT
39	53	20	community	community	NN
39	53	21	.	.	.
39	54	1	There	there	EX
39	54	2	are	be	VBP
39	54	3	three	three	CD
39	54	4	means	mean	NNS
39	54	5	of	of	IN
39	54	6	NIC	NIC	NNP
39	54	7	contact	contact	NN
39	54	8	:	:	:
39	54	9	network	network	NN
39	54	10	,	,	,
39	54	11	telephone	telephone	NN
39	54	12	,	,	,
39	54	13	and	and	CC
39	54	14	mail	mail	NN
39	54	15	.	.	.
39	55	1	The	the	DT
39	55	2	network	network	NN
39	55	3	accesses	access	NNS
39	55	4	are	be	VBP
39	55	5	the	the	DT
39	55	6	most	most	RBS
39	55	7	prevalent	prevalent	JJ
39	55	8	.	.	.
39	56	1	Interactive	interactive	JJ
39	56	2	access	access	NN
39	56	3	is	be	VBZ
39	56	4	frequently	frequently	RB
39	56	5	used	use	VBN
39	56	6	to	to	TO
39	56	7	do	do	VB
39	56	8	queries	query	NNS
39	56	9	of	of	IN
39	56	10	NIC	NIC	NNP
39	56	11	service	service	NN
39	56	12	overviews	overviews	NNP
39	56	13	,	,	,
39	56	14	look	look	VB
39	56	15	up	up	RP
39	56	16	user	user	NN
39	56	17	and	and	CC
39	56	18	host	host	NN
39	56	19	names	name	NNS
39	56	20	,	,	,
39	56	21	and	and	CC
39	56	22	scan	scan	JJ
39	56	23	lists	list	NNS
39	56	24	of	of	IN
39	56	25	NIC	NIC	NNP
39	56	26	documents	document	NNS
39	56	27	.	.	.
39	57	1	It	-PRON-	PRP
39	57	2	is	be	VBZ
39	57	3	available	available	JJ
39	57	4	by	by	IN
39	57	5	using	use	VBG
39	57	6	%	%	NN
39	57	7	telnet	telnet	NN
39	57	8	sri-nic.arpa	sri-nic.arpa	CD
39	57	9	on	on	IN
39	57	10	a	a	DT
39	57	11	BSD	BSD	NNP
39	57	12	system	system	NN
39	57	13	and	and	CC
39	57	14	following	follow	VBG
39	57	15	the	the	DT
39	57	16	directions	direction	NNS
39	57	17	provided	provide	VBN
39	57	18	by	by	IN
39	57	19	a	a	DT
39	57	20	user	user	NN
39	57	21	friendly	friendly	JJ
39	57	22	prompter	prompter	NN
39	57	23	.	.	.
39	58	1	From	from	IN
39	58	2	poking	poke	VBG
39	58	3	around	around	RB
39	58	4	in	in	IN
39	58	5	the	the	DT
39	58	6	databases	database	NNS
39	58	7	provided	provide	VBN
39	58	8	one	one	PRP
39	58	9	might	may	MD
39	58	10	decide	decide	VB
39	58	11	that	that	IN
39	58	12	a	a	DT
39	58	13	document	document	NN
39	58	14	named	name	VBN
39	58	15	NETINFO	NETINFO	NNP
39	58	16	:	:	:
39	58	17	NUG.DOC	NUG.DOC	.
39	58	18	(	(	-LRB-
39	58	19	The	the	DT
39	58	20	Users	Users	NNPS
39	58	21	Guide	Guide	NNP
39	58	22	to	to	IN
39	58	23	the	the	DT
39	58	24	ARPAnet	arpanet	NN
39	58	25	)	)	-RRB-
39	58	26	would	would	MD
39	58	27	be	be	VB
39	58	28	worth	worth	JJ
39	58	29	having	have	VBG
39	58	30	.	.	.
39	59	1	It	-PRON-	PRP
39	59	2	could	could	MD
39	59	3	be	be	VB
39	59	4	retrieved	retrieve	VBN
39	59	5	via	via	IN
39	59	6	an	an	DT
39	59	7	anonymous	anonymous	JJ
39	59	8	FTP	FTP	NNP
39	59	9	.	.	.
39	60	1	An	an	DT
39	60	2	anonymous	anonymous	JJ
39	60	3	FTP	FTP	NNP
39	60	4	would	would	MD
39	60	5	proceed	proceed	VB
39	60	6	something	something	NN
39	60	7	like	like	IN
39	60	8	the	the	DT
39	60	9	following	following	NN
39	60	10	.	.	.
39	61	1	(	(	-LRB-
39	61	2	The	the	DT
39	61	3	dialogue	dialogue	NN
39	61	4	may	may	MD
39	61	5	vary	vary	VB
39	61	6	slightly	slightly	RB
39	61	7	depending	depend	VBG
39	61	8	on	on	IN
39	61	9	the	the	DT
39	61	10	implementation	implementation	NN
39	61	11	of	of	IN
39	61	12	FTP	FTP	NNP
39	61	13	you	-PRON-	PRP
39	61	14	are	be	VBP
39	61	15	using	use	VBG
39	61	16	)	)	-RRB-
39	61	17	.	.	.
39	62	1	%	%	NN
39	62	2	ftp	ftp	NNP
39	62	3	sri-nic.arpa	sri-nic.arpa	CD
39	62	4	Connected	connect	VBN
39	62	5	to	to	IN
39	62	6	sri-nic.arpa	sri-nic.arpa	CD
39	62	7	.	.	.
39	63	1	220	220	CD
39	63	2	SRI_NIC.ARPA	sri_nic.arpa	SYM
39	63	3	FTP	FTP	NNP
39	63	4	Server	Server	NNP
39	63	5	Process	Process	NNP
39	63	6	5Z(47)-6	5z(47)-6	CD
39	63	7	at	at	IN
39	63	8	We	-PRON-	PRP
39	63	9	d	d	NNP
39	63	10	17-Jun-87	17-Jun-87	NNP
39	63	11	12:00	12:00	CD
39	63	12	PDT	PDT	NNP
39	63	13	Name	Name	NNP
39	63	14	(	(	-LRB-
39	63	15	sri	sri	NNP
39	63	16	-	-	HYPH
39	63	17	nic.arpa	nic.arpa	NNP
39	63	18	:	:	:
39	63	19	myname	myname	NN
39	63	20	)	)	-RRB-
39	63	21	:	:	:
39	63	22	anonymous	anonymous	JJ
39	63	23	331	331	CD
39	63	24	ANONYMOUS	anonymous	NN
39	63	25	user	user	NN
39	63	26	ok	ok	RB
39	63	27	,	,	,
39	63	28	send	send	VB
39	63	29	real	real	JJ
39	63	30	ident	ident	NN
39	63	31	as	as	IN
39	63	32	password	password	NN
39	63	33	.	.	.
39	64	1	Password	Password	NNP
39	64	2	:	:	:
39	64	3	myname	myname	NN
39	64	4	230	230	CD
39	64	5	User	User	NNP
39	64	6	ANONYMOUS	ANONYMOUS	NNP
39	64	7	logged	log	VBN
39	64	8	in	in	RP
39	64	9	at	at	IN
39	64	10	We	-PRON-	PRP
39	64	11	d	d	NNP
39	64	12	17-Jun-87	17-Jun-87	NNP
39	64	13	12:01	12:01	CD
39	64	14	PDT	PDT	NNP
39	64	15	,	,	,
39	64	16	job	job	NN
39	64	17	15	15	CD
39	64	18	.	.	.
39	64	19	ftp	ftp	NNP
39	64	20	>	>	XX
39	64	21	get	get	VBP
39	64	22	netinfo	netinfo	NN
39	64	23	:	:	:
39	64	24	nug.doc	nug.doc	ADD
39	64	25	200	200	CD
39	64	26	Port	Port	NNP
39	64	27	18.144	18.144	CD
39	64	28	at	at	IN
39	64	29	host	host	NN
39	64	30	128.174.5.50	128.174.5.50	CD
39	64	31	accepted	accept	VBD
39	64	32	.	.	.
39	65	1	150	150	CD
39	65	2	ASCII	ASCII	NNP
39	65	3	retrieve	retrieve	NN
39	65	4	of	of	IN
39	65	5	<	<	XX
39	65	6	NETINFO	NETINFO	NNP
39	65	7	>	>	NNP
39	65	8	NUG.DOC.11	NUG.DOC.11	NNP
39	65	9	started	start	VBD
39	65	10	.	.	.
39	66	1	226	226	CD
39	66	2	Transfer	Transfer	NNP
39	66	3	Completed	complete	VBD
39	66	4	157675	157675	CD
39	66	5	(	(	-LRB-
39	66	6	8)	8)	CD
39	66	7	bytes	byte	NNS
39	66	8	transferred	transfer	VBD
39	66	9	local	local	JJ
39	66	10	:	:	:
39	66	11	netinfo	netinfo	NN
39	66	12	:	:	:
39	66	13	nug.doc	nug.doc	NNP
39	66	14	remote	remote	JJ
39	66	15	:	:	:
39	66	16	netinfo	netinfo	NN
39	66	17	:	:	:
39	66	18	nug.doc	nug.doc	NN
39	66	19	157675	157675	CD
39	66	20	bytes	byte	NNS
39	66	21	in	in	IN
39	66	22	4.5e+02	4.5e+02	CD
39	66	23	seconds	second	NNS
39	66	24	(	(	-LRB-
39	66	25	0.34	0.34	CD
39	66	26	Kbytes	Kbytes	NNPS
39	66	27	/	/	SYM
39	66	28	s	s	NN
39	66	29	)	)	-RRB-
39	66	30	ftp	ftp	NNP
39	66	31	>	>	XX
39	66	32	quit	quit	VBP
39	66	33	221	221	CD
39	66	34	QUIT	QUIT	NNP
39	66	35	command	command	NN
39	66	36	received	receive	VBD
39	66	37	.	.	.
39	67	1	Goodbye	goodbye	UH
39	67	2	.	.	.
39	68	1	(	(	-LRB-
39	68	2	Another	another	DT
39	68	3	good	good	JJ
39	68	4	initial	initial	JJ
39	68	5	document	document	NN
39	68	6	to	to	TO
39	68	7	fetch	fetch	VB
39	68	8	is	be	VBZ
39	68	9	NETINFO	NETINFO	NNP
39	68	10	:	:	:
39	68	11	WHAT	what	WDT
39	68	12	-	-	HYPH
39	68	13	THE	the	DT
39	68	14	-	-	HYPH
39	68	15	NIC	NIC	NNP
39	68	16	-	-	HYPH
39	68	17	DOES.TXT	does.txt	NN
39	68	18	)	)	-RRB-
39	68	19	!	!	.
39	69	1	Questions	question	NNS
39	69	2	of	of	IN
39	69	3	the	the	DT
39	69	4	NIC	NIC	NNP
39	69	5	or	or	CC
39	69	6	problems	problem	NNS
39	69	7	with	with	IN
39	69	8	services	service	NNS
39	69	9	can	can	MD
39	69	10	be	be	VB
39	69	11	asked	ask	VBN
39	69	12	of	of	IN
39	69	13	or	or	CC
39	69	14	reported	report	VBN
39	69	15	to	to	IN
39	69	16	using	use	VBG
39	69	17	electronic	electronic	JJ
39	69	18	mail	mail	NN
39	69	19	.	.	.
39	70	1	The	the	DT
39	70	2	following	follow	VBG
39	70	3	addresses	address	NNS
39	70	4	can	can	MD
39	70	5	be	be	VB
39	70	6	used	use	VBN
39	70	7	:	:	:
39	70	8	NIC@SRI	NIC@SRI	NNP
39	70	9	-	-	HYPH
39	70	10	NIC.ARPA	nic.arpa	CD
39	70	11	General	general	JJ
39	70	12	user	user	NN
39	70	13	assistance	assistance	NN
39	70	14	,	,	,
39	70	15	document	document	NN
39	70	16	requests	request	NNS
39	70	17	REGISTRAR@SRI	REGISTRAR@SRI	NNP
39	70	18	-	-	:
39	70	19	NIC.ARPA	NIC.ARPA	``
39	70	20	User	User	NNP
39	70	21	registration	registration	NN
39	70	22	and	and	CC
39	70	23	WHOIS	WHOIS	NNP
39	70	24	updates	update	VBZ
39	70	25	HOSTMASTER@SRI	HOSTMASTER@SRI	NNP
39	70	26	-	-	,
39	70	27	NIC.ARPA	NIC.ARPA	NNP
39	70	28	Hostname	Hostname	NNP
39	70	29	and	and	CC
39	70	30	domain	domain	NN
39	70	31	changes	change	NNS
39	70	32	and	and	CC
39	70	33	updates	update	VBZ
39	70	34	ACTION@SRI	ACTION@SRI	NNP
39	70	35	-	-	HYPH
39	70	36	NIC.ARPA	NIC.ARPA	VBZ
39	70	37	SRI	SRI	NNP
39	70	38	-	-	HYPH
39	70	39	NIC	NIC	NNP
39	70	40	computer	computer	NN
39	70	41	operations	operation	NNS
39	70	42	SUGGESTIONS@SRI	SUGGESTIONS@SRI	NNP
39	70	43	-	-	HYPH
39	70	44	NIC.ARPA	NIC.ARPA	VBZ
39	70	45	Comments	comment	NNS
39	70	46	on	on	IN
39	70	47	NIC	NIC	NNP
39	70	48	publications	publication	NNS
39	70	49	and	and	CC
39	70	50	services	service	NNS
39	70	51	-4-	-4-	:
39	70	52	For	for	IN
39	70	53	people	people	NNS
39	70	54	without	without	IN
39	70	55	network	network	NN
39	70	56	access	access	NN
39	70	57	,	,	,
39	70	58	or	or	CC
39	70	59	if	if	IN
39	70	60	the	the	DT
39	70	61	number	number	NN
39	70	62	of	of	IN
39	70	63	documents	document	NNS
39	70	64	is	be	VBZ
39	70	65	large	large	JJ
39	70	66	,	,	,
39	70	67	many	many	JJ
39	70	68	of	of	IN
39	70	69	the	the	DT
39	70	70	NIC	NIC	NNP
39	70	71	documents	document	NNS
39	70	72	are	be	VBP
39	70	73	available	available	JJ
39	70	74	in	in	IN
39	70	75	printed	print	VBN
39	70	76	form	form	NN
39	70	77	for	for	IN
39	70	78	a	a	DT
39	70	79	small	small	JJ
39	70	80	charge	charge	NN
39	70	81	.	.	.
39	71	1	One	one	CD
39	71	2	frequently	frequently	RB
39	71	3	ordered	order	VBD
39	71	4	document	document	NN
39	71	5	for	for	IN
39	71	6	starting	start	VBG
39	71	7	sites	site	NNS
39	71	8	is	be	VBZ
39	71	9	a	a	DT
39	71	10	compendium	compendium	NN
39	71	11	of	of	IN
39	71	12	major	major	JJ
39	71	13	RFCs	rfc	NNS
39	71	14	.	.	.
39	72	1	Telephone	telephone	NN
39	72	2	access	access	NN
39	72	3	is	be	VBZ
39	72	4	used	use	VBN
39	72	5	primarily	primarily	RB
39	72	6	for	for	IN
39	72	7	questions	question	NNS
39	72	8	or	or	CC
39	72	9	problems	problem	NNS
39	72	10	with	with	IN
39	72	11	network	network	NN
39	72	12	access	access	NN
39	72	13	.	.	.
39	73	1	(	(	-LRB-
39	73	2	See	see	VB
39	73	3	appendix	appendix	NNP
39	73	4	B	B	NNP
39	73	5	for	for	IN
39	73	6	mail	mail	NN
39	73	7	/	/	SYM
39	73	8	telephone	telephone	NN
39	73	9	contact	contact	NN
39	73	10	numbers	number	NNS
39	73	11	)	)	-RRB-
39	73	12	.	.	.
39	74	1	The	the	DT
39	74	2	NSFnet	NSFnet	NNP
39	74	3	Network	Network	NNP
39	74	4	Service	Service	NNP
39	74	5	Center	Center	NNP
39	74	6	The	the	DT
39	74	7	NSFnet	NSFnet	NNP
39	74	8	Network	Network	NNP
39	74	9	Service	Service	NNP
39	74	10	Center	Center	NNP
39	74	11	(	(	-LRB-
39	74	12	NNSC	NNSC	NNP
39	74	13	)	)	-RRB-
39	74	14	is	be	VBZ
39	74	15	funded	fund	VBN
39	74	16	by	by	IN
39	74	17	NSF	NSF	NNP
39	74	18	to	to	TO
39	74	19	provide	provide	VB
39	74	20	a	a	DT
39	74	21	first	first	JJ
39	74	22	level	level	NN
39	74	23	of	of	IN
39	74	24	aid	aid	NN
39	74	25	to	to	IN
39	74	26	users	user	NNS
39	74	27	of	of	IN
39	74	28	NSFnet	NSFnet	NNP
39	74	29	should	should	MD
39	74	30	they	-PRON-	PRP
39	74	31	have	have	VB
39	74	32	questions	question	NNS
39	74	33	or	or	CC
39	74	34	encounter	encounter	VB
39	74	35	problems	problem	NNS
39	74	36	traversing	traverse	VBG
39	74	37	the	the	DT
39	74	38	network	network	NN
39	74	39	.	.	.
39	75	1	It	-PRON-	PRP
39	75	2	is	be	VBZ
39	75	3	run	run	VBN
39	75	4	by	by	IN
39	75	5	BBN	BBN	NNP
39	75	6	Inc.	Inc.	NNP
39	75	7	Karen	Karen	NNP
39	75	8	Roubicek	Roubicek	NNP
39	75	9	(	(	-LRB-
39	75	10	roubicek@nnsc.nsf.net	roubicek@nnsc.nsf.net	NNP
39	75	11	)	)	-RRB-
39	75	12	is	be	VBZ
39	75	13	the	the	DT
39	75	14	NNSC	NNSC	NNP
39	75	15	user	user	NN
39	75	16	liaison	liaison	NN
39	75	17	.	.	.
39	76	1	The	the	DT
39	76	2	NNSC	NNSC	NNP
39	76	3	,	,	,
39	76	4	which	which	WDT
39	76	5	currently	currently	RB
39	76	6	has	have	VBZ
39	76	7	information	information	NN
39	76	8	and	and	CC
39	76	9	documents	document	NNS
39	76	10	online	online	RB
39	76	11	and	and	CC
39	76	12	in	in	IN
39	76	13	printed	print	VBN
39	76	14	form	form	NN
39	76	15	,	,	,
39	76	16	plans	plan	VBZ
39	76	17	to	to	TO
39	76	18	distribute	distribute	VB
39	76	19	news	news	NN
39	76	20	through	through	IN
39	76	21	network	network	NN
39	76	22	mailing	mailing	NN
39	76	23	lists	list	NNS
39	76	24	,	,	,
39	76	25	bulletins	bulletin	NNS
39	76	26	,	,	,
39	76	27	newsletters	newsletter	NNS
39	76	28	,	,	,
39	76	29	and	and	CC
39	76	30	online	online	JJ
39	76	31	reports	report	NNS
39	76	32	.	.	.
39	77	1	The	the	DT
39	77	2	NNSC	NNSC	NNP
39	77	3	also	also	RB
39	77	4	maintains	maintain	VBZ
39	77	5	a	a	DT
39	77	6	database	database	NN
39	77	7	of	of	IN
39	77	8	contact	contact	NN
39	77	9	points	point	NNS
39	77	10	and	and	CC
39	77	11	sources	source	NNS
39	77	12	of	of	IN
39	77	13	additional	additional	JJ
39	77	14	information	information	NN
39	77	15	about	about	IN
39	77	16	NSFnet	nsfnet	JJ
39	77	17	component	component	NN
39	77	18	networks	network	NNS
39	77	19	and	and	CC
39	77	20	supercomputer	supercomputer	NN
39	77	21	centers	center	NNS
39	77	22	.	.	.
39	78	1	Prospective	prospective	JJ
39	78	2	or	or	CC
39	78	3	current	current	JJ
39	78	4	users	user	NNS
39	78	5	who	who	WP
39	78	6	do	do	VBP
39	78	7	not	not	RB
39	78	8	know	know	VB
39	78	9	whom	whom	WP
39	78	10	to	to	TO
39	78	11	call	call	VB
39	78	12	concerning	concern	VBG
39	78	13	questions	question	NNS
39	78	14	about	about	IN
39	78	15	NSFnet	nsfnet	JJ
39	78	16	use	use	NN
39	78	17	,	,	,
39	78	18	should	should	MD
39	78	19	contact	contact	VB
39	78	20	the	the	DT
39	78	21	NNSC	NNSC	NNP
39	78	22	.	.	.
39	79	1	The	the	DT
39	79	2	NNSC	NNSC	NNP
39	79	3	will	will	MD
39	79	4	answer	answer	VB
39	79	5	general	general	JJ
39	79	6	questions	question	NNS
39	79	7	,	,	,
39	79	8	and	and	CC
39	79	9	,	,	,
39	79	10	for	for	IN
39	79	11	detailed	detailed	JJ
39	79	12	information	information	NN
39	79	13	relating	relate	VBG
39	79	14	to	to	IN
39	79	15	specific	specific	JJ
39	79	16	components	component	NNS
39	79	17	of	of	IN
39	79	18	the	the	DT
39	79	19	Internet	internet	NN
39	79	20	,	,	,
39	79	21	will	will	MD
39	79	22	help	help	VB
39	79	23	users	user	NNS
39	79	24	find	find	VB
39	79	25	the	the	DT
39	79	26	appropriate	appropriate	JJ
39	79	27	contact	contact	NN
39	79	28	for	for	IN
39	79	29	further	further	JJ
39	79	30	assistance	assistance	NN
39	79	31	.	.	.
39	80	1	(	(	-LRB-
39	80	2	Appendix	Appendix	NNP
39	80	3	B	B	NNP
39	80	4	)	)	-RRB-
39	80	5	Mail	Mail	NNP
39	80	6	Reflectors	reflector	NNS
39	80	7	The	the	DT
39	80	8	way	way	NN
39	80	9	most	most	JJS
39	80	10	people	people	NNS
39	80	11	keep	keep	VBP
39	80	12	up	up	IN
39	80	13	to	to	IN
39	80	14	date	date	NN
39	80	15	on	on	IN
39	80	16	network	network	NN
39	80	17	news	news	NN
39	80	18	is	be	VBZ
39	80	19	through	through	IN
39	80	20	subscription	subscription	NN
39	80	21	to	to	IN
39	80	22	a	a	DT
39	80	23	number	number	NN
39	80	24	of	of	IN
39	80	25	mail	mail	NN
39	80	26	reflectors	reflector	NNS
39	80	27	.	.	.
39	81	1	Mail	mail	NN
39	81	2	reflectors	reflector	NNS
39	81	3	are	be	VBP
39	81	4	special	special	JJ
39	81	5	electronic	electronic	JJ
39	81	6	mailboxes	mailbox	NNS
39	81	7	which	which	WDT
39	81	8	,	,	,
39	81	9	when	when	WRB
39	81	10	they	-PRON-	PRP
39	81	11	receive	receive	VBP
39	81	12	a	a	DT
39	81	13	message	message	NN
39	81	14	,	,	,
39	81	15	resend	resend	VB
39	81	16	it	-PRON-	PRP
39	81	17	to	to	IN
39	81	18	a	a	DT
39	81	19	list	list	NN
39	81	20	of	of	IN
39	81	21	other	other	JJ
39	81	22	mailboxes	mailbox	NNS
39	81	23	.	.	.
39	82	1	This	this	DT
39	82	2	in	in	IN
39	82	3	effect	effect	NN
39	82	4	creates	create	VBZ
39	82	5	a	a	DT
39	82	6	discussion	discussion	NN
39	82	7	group	group	NN
39	82	8	on	on	IN
39	82	9	a	a	DT
39	82	10	particular	particular	JJ
39	82	11	topic	topic	NN
39	82	12	.	.	.
39	83	1	Each	each	DT
39	83	2	subscriber	subscriber	NN
39	83	3	sees	see	VBZ
39	83	4	all	all	PDT
39	83	5	the	the	DT
39	83	6	mail	mail	NN
39	83	7	forwarded	forward	VBN
39	83	8	by	by	IN
39	83	9	the	the	DT
39	83	10	reflector	reflector	NN
39	83	11	,	,	,
39	83	12	and	and	CC
39	83	13	if	if	IN
39	83	14	one	one	PRP
39	83	15	wants	want	VBZ
39	83	16	to	to	TO
39	83	17	put	put	VB
39	83	18	his	-PRON-	PRP$
39	83	19	"	"	``
39	83	20	two	two	CD
39	83	21	cents	cent	NNS
39	83	22	"	"	''
39	83	23	in	in	IN
39	83	24	sends	send	VBZ
39	83	25	a	a	DT
39	83	26	message	message	NN
39	83	27	with	with	IN
39	83	28	the	the	DT
39	83	29	comments	comment	NNS
39	83	30	to	to	IN
39	83	31	the	the	DT
39	83	32	reflector	reflector	NN
39	83	33	....	....	.
39	84	1	The	the	DT
39	84	2	general	general	JJ
39	84	3	format	format	NN
39	84	4	to	to	TO
39	84	5	subscribe	subscribe	VB
39	84	6	to	to	IN
39	84	7	a	a	DT
39	84	8	mail	mail	NN
39	84	9	list	list	NN
39	84	10	is	be	VBZ
39	84	11	to	to	TO
39	84	12	find	find	VB
39	84	13	the	the	DT
39	84	14	address	address	NN
39	84	15	reflector	reflector	NN
39	84	16	and	and	CC
39	84	17	append	append	VB
39	84	18	the	the	DT
39	84	19	string	string	NN
39	84	20	-REQUEST	-REQUEST	:
39	84	21	to	to	IN
39	84	22	the	the	DT
39	84	23	mailbox	mailbox	NN
39	84	24	name	name	NN
39	84	25	(	(	-LRB-
39	84	26	not	not	RB
39	84	27	the	the	DT
39	84	28	host	host	NN
39	84	29	name	name	NN
39	84	30	)	)	-RRB-
39	84	31	.	.	.
39	85	1	For	for	IN
39	85	2	example	example	NN
39	85	3	,	,	,
39	85	4	if	if	IN
39	85	5	you	-PRON-	PRP
39	85	6	wanted	want	VBD
39	85	7	to	to	TO
39	85	8	take	take	VB
39	85	9	part	part	NN
39	85	10	in	in	IN
39	85	11	the	the	DT
39	85	12	mailing	mailing	NN
39	85	13	list	list	NN
39	85	14	for	for	IN
39	85	15	NSFnet	NSFnet	NNP
39	85	16	reflected	reflect	VBN
39	85	17	by	by	IN
39	85	18	NSFNET@NNSC.NSF.NET	NSFNET@NNSC.NSF.NET	NNP
39	85	19	,	,	,
39	85	20	one	one	PRP
39	85	21	sends	send	VBZ
39	85	22	a	a	DT
39	85	23	request	request	NN
39	85	24	to	to	TO
39	85	25	-5-	-5-	:
39	85	26	NSFNET	NSFNET	NNP
39	85	27	-	-	HYPH
39	85	28	REQUEST@NNSC.NSF.NET	REQUEST@NNSC.NSF.NET	NNP
39	85	29	.	.	.
39	86	1	This	this	DT
39	86	2	may	may	MD
39	86	3	be	be	VB
39	86	4	a	a	DT
39	86	5	wonderful	wonderful	JJ
39	86	6	scheme	scheme	NN
39	86	7	,	,	,
39	86	8	but	but	CC
39	86	9	the	the	DT
39	86	10	problem	problem	NN
39	86	11	is	be	VBZ
39	86	12	that	that	IN
39	86	13	you	-PRON-	PRP
39	86	14	must	must	MD
39	86	15	know	know	VB
39	86	16	the	the	DT
39	86	17	list	list	NN
39	86	18	exists	exist	VBZ
39	86	19	in	in	IN
39	86	20	the	the	DT
39	86	21	first	first	JJ
39	86	22	place	place	NN
39	86	23	.	.	.
39	87	1	It	-PRON-	PRP
39	87	2	is	be	VBZ
39	87	3	suggested	suggest	VBN
39	87	4	that	that	IN
39	87	5	,	,	,
39	87	6	if	if	IN
39	87	7	you	-PRON-	PRP
39	87	8	are	be	VBP
39	87	9	interested	interested	JJ
39	87	10	,	,	,
39	87	11	you	-PRON-	PRP
39	87	12	read	read	VBP
39	87	13	the	the	DT
39	87	14	mail	mail	NN
39	87	15	from	from	IN
39	87	16	one	one	CD
39	87	17	list	list	NN
39	87	18	(	(	-LRB-
39	87	19	like	like	IN
39	87	20	NSFNET	NSFNET	NNP
39	87	21	)	)	-RRB-
39	87	22	and	and	CC
39	87	23	you	-PRON-	PRP
39	87	24	will	will	MD
39	87	25	probably	probably	RB
39	87	26	become	become	VB
39	87	27	familiar	familiar	JJ
39	87	28	with	with	IN
39	87	29	the	the	DT
39	87	30	existence	existence	NN
39	87	31	of	of	IN
39	87	32	others	other	NNS
39	87	33	.	.	.
39	88	1	A	a	DT
39	88	2	registration	registration	NN
39	88	3	service	service	NN
39	88	4	for	for	IN
39	88	5	mail	mail	NN
39	88	6	reflectors	reflector	NNS
39	88	7	is	be	VBZ
39	88	8	provided	provide	VBN
39	88	9	by	by	IN
39	88	10	the	the	DT
39	88	11	NIC	NIC	NNP
39	88	12	in	in	IN
39	88	13	the	the	DT
39	88	14	files	file	NNS
39	88	15	NETINFO	NETINFO	NNP
39	88	16	:	:	:
39	88	17	INTEREST	INTEREST	NNP
39	88	18	-	-	HYPH
39	88	19	GROUPS-1.TXT	GROUPS-1.TXT	NNP
39	88	20	,	,	,
39	88	21	NETINFO	NETINFO	NNP
39	88	22	:	:	:
39	88	23	INTEREST	INTEREST	NNP
39	88	24	-	-	HYPH
39	88	25	GROUPS-2.TXT	GROUPS-2.TXT	NNP
39	88	26	,	,	,
39	88	27	and	and	CC
39	88	28	NETINFO	NETINFO	NNP
39	88	29	:	:	:
39	88	30	INTEREST	INTEREST	NNP
39	88	31	-	-	HYPH
39	88	32	GROUPS-	GROUPS-	NNP
39	88	33	3.TXT	3.txt	CD
39	88	34	.	.	.
39	89	1	The	the	DT
39	89	2	NSFNET	NSFNET	NNP
39	89	3	mail	mail	NN
39	89	4	reflector	reflector	NN
39	89	5	is	be	VBZ
39	89	6	targeted	target	VBN
39	89	7	at	at	IN
39	89	8	those	those	DT
39	89	9	people	people	NNS
39	89	10	who	who	WP
39	89	11	have	have	VBP
39	89	12	a	a	DT
39	89	13	day	day	NN
39	89	14	to	to	IN
39	89	15	day	day	NN
39	89	16	interest	interest	NN
39	89	17	in	in	IN
39	89	18	the	the	DT
39	89	19	news	news	NN
39	89	20	of	of	IN
39	89	21	the	the	DT
39	89	22	NSFnet	NSFnet	NNP
39	89	23	(	(	-LRB-
39	89	24	the	the	DT
39	89	25	backbone	backbone	NN
39	89	26	,	,	,
39	89	27	regional	regional	JJ
39	89	28	network	network	NN
39	89	29	,	,	,
39	89	30	and	and	CC
39	89	31	Internet	internet	NN
39	89	32	inter	inter	JJ
39	89	33	-	-	JJ
39	89	34	connection	connection	JJ
39	89	35	site	site	NN
39	89	36	workers	worker	NNS
39	89	37	)	)	-RRB-
39	89	38	.	.	.
39	90	1	The	the	DT
39	90	2	messages	message	NNS
39	90	3	are	be	VBP
39	90	4	reflected	reflect	VBN
39	90	5	by	by	IN
39	90	6	a	a	DT
39	90	7	central	central	JJ
39	90	8	location	location	NN
39	90	9	and	and	CC
39	90	10	are	be	VBP
39	90	11	sent	send	VBN
39	90	12	as	as	IN
39	90	13	separate	separate	JJ
39	90	14	messages	message	NNS
39	90	15	to	to	IN
39	90	16	each	each	DT
39	90	17	subscriber	subscriber	NN
39	90	18	.	.	.
39	91	1	This	this	DT
39	91	2	creates	create	VBZ
39	91	3	hundreds	hundred	NNS
39	91	4	of	of	IN
39	91	5	messages	message	NNS
39	91	6	on	on	IN
39	91	7	the	the	DT
39	91	8	wide	wide	JJ
39	91	9	area	area	NN
39	91	10	networks	network	NNS
39	91	11	where	where	WRB
39	91	12	bandwidth	bandwidth	NN
39	91	13	is	be	VBZ
39	91	14	the	the	DT
39	91	15	scarcest	scarce	JJS
39	91	16	.	.	.
39	92	1	There	there	EX
39	92	2	are	be	VBP
39	92	3	two	two	CD
39	92	4	ways	way	NNS
39	92	5	in	in	IN
39	92	6	which	which	WDT
39	92	7	a	a	DT
39	92	8	campus	campus	NN
39	92	9	could	could	MD
39	92	10	spread	spread	VB
39	92	11	the	the	DT
39	92	12	news	news	NN
39	92	13	and	and	CC
39	92	14	not	not	RB
39	92	15	cause	cause	VB
39	92	16	these	these	DT
39	92	17	messages	message	NNS
39	92	18	to	to	TO
39	92	19	inundate	inundate	VB
39	92	20	the	the	DT
39	92	21	wide	wide	JJ
39	92	22	area	area	NN
39	92	23	networks	network	NNS
39	92	24	.	.	.
39	93	1	One	one	CD
39	93	2	is	be	VBZ
39	93	3	to	to	TO
39	93	4	re	re	VB
39	93	5	-	-	VB
39	93	6	reflect	reflect	VB
39	93	7	the	the	DT
39	93	8	message	message	NN
39	93	9	on	on	IN
39	93	10	the	the	DT
39	93	11	campus	campus	NN
39	93	12	.	.	.
39	94	1	That	that	RB
39	94	2	is	is	RB
39	94	3	,	,	,
39	94	4	set	set	VBN
39	94	5	up	up	RP
39	94	6	a	a	DT
39	94	7	reflector	reflector	NN
39	94	8	on	on	IN
39	94	9	a	a	DT
39	94	10	local	local	JJ
39	94	11	machine	machine	NN
39	94	12	which	which	WDT
39	94	13	forwards	forward	VBZ
39	94	14	the	the	DT
39	94	15	message	message	NN
39	94	16	to	to	IN
39	94	17	a	a	DT
39	94	18	campus	campus	NN
39	94	19	distribution	distribution	NN
39	94	20	list	list	NN
39	94	21	.	.	.
39	95	1	The	the	DT
39	95	2	other	other	JJ
39	95	3	is	be	VBZ
39	95	4	to	to	TO
39	95	5	create	create	VB
39	95	6	an	an	DT
39	95	7	alias	alia	NNS
39	95	8	on	on	IN
39	95	9	a	a	DT
39	95	10	campus	campus	NN
39	95	11	machine	machine	NN
39	95	12	which	which	WDT
39	95	13	places	place	VBZ
39	95	14	the	the	DT
39	95	15	messages	message	NNS
39	95	16	into	into	IN
39	95	17	a	a	DT
39	95	18	notesfile	notesfile	NN
39	95	19	on	on	IN
39	95	20	the	the	DT
39	95	21	topic	topic	NN
39	95	22	.	.	.
39	96	1	Campus	campus	NN
39	96	2	users	user	NNS
39	96	3	who	who	WP
39	96	4	want	want	VBP
39	96	5	the	the	DT
39	96	6	information	information	NN
39	96	7	could	could	MD
39	96	8	access	access	VB
39	96	9	the	the	DT
39	96	10	notesfile	notesfile	NN
39	96	11	and	and	CC
39	96	12	see	see	VB
39	96	13	the	the	DT
39	96	14	messages	message	NNS
39	96	15	that	that	WDT
39	96	16	have	have	VBP
39	96	17	been	be	VBN
39	96	18	sent	send	VBN
39	96	19	since	since	IN
39	96	20	their	-PRON-	PRP$
39	96	21	last	last	JJ
39	96	22	access	access	NN
39	96	23	.	.	.
39	97	1	One	one	PRP
39	97	2	might	may	MD
39	97	3	also	also	RB
39	97	4	elect	elect	VB
39	97	5	to	to	TO
39	97	6	have	have	VB
39	97	7	the	the	DT
39	97	8	campus	campus	NN
39	97	9	wide	wide	JJ
39	97	10	area	area	NN
39	97	11	network	network	NN
39	97	12	liaison	liaison	NN
39	97	13	screen	screen	NN
39	97	14	the	the	DT
39	97	15	messages	message	NNS
39	97	16	in	in	IN
39	97	17	either	either	DT
39	97	18	case	case	NN
39	97	19	and	and	CC
39	97	20	only	only	RB
39	97	21	forward	forward	RB
39	97	22	those	those	DT
39	97	23	which	which	WDT
39	97	24	are	be	VBP
39	97	25	considered	consider	VBN
39	97	26	of	of	IN
39	97	27	merit	merit	NN
39	97	28	.	.	.
39	98	1	Either	either	CC
39	98	2	of	of	IN
39	98	3	these	these	DT
39	98	4	schemes	scheme	NNS
39	98	5	allows	allow	VBZ
39	98	6	one	one	CD
39	98	7	message	message	NN
39	98	8	to	to	TO
39	98	9	be	be	VB
39	98	10	sent	send	VBN
39	98	11	to	to	IN
39	98	12	the	the	DT
39	98	13	campus	campus	NN
39	98	14	,	,	,
39	98	15	while	while	IN
39	98	16	allowing	allow	VBG
39	98	17	wide	wide	JJ
39	98	18	distribution	distribution	NN
39	98	19	within	within	IN
39	98	20	.	.	.
39	99	1	Address	Address	NNP
39	99	2	Allocation	Allocation	NNP
39	99	3	Before	before	IN
39	99	4	a	a	DT
39	99	5	local	local	JJ
39	99	6	network	network	NN
39	99	7	can	can	MD
39	99	8	be	be	VB
39	99	9	connected	connect	VBN
39	99	10	to	to	IN
39	99	11	the	the	DT
39	99	12	Internet	internet	NN
39	99	13	it	-PRON-	PRP
39	99	14	must	must	MD
39	99	15	be	be	VB
39	99	16	allocated	allocate	VBN
39	99	17	a	a	DT
39	99	18	unique	unique	JJ
39	99	19	IP	IP	NNP
39	99	20	address	address	NN
39	99	21	.	.	.
39	100	1	These	these	DT
39	100	2	addresses	address	NNS
39	100	3	are	be	VBP
39	100	4	allocated	allocate	VBN
39	100	5	by	by	IN
39	100	6	ISI	ISI	NNP
39	100	7	.	.	.
39	101	1	The	the	DT
39	101	2	allocation	allocation	NN
39	101	3	process	process	NN
39	101	4	consists	consist	VBZ
39	101	5	of	of	IN
39	101	6	getting	get	VBG
39	101	7	an	an	DT
39	101	8	application	application	NN
39	101	9	form	form	NN
39	101	10	received	receive	VBN
39	101	11	from	from	IN
39	101	12	ISI	ISI	NNP
39	101	13	.	.	.
39	102	1	(	(	-LRB-
39	102	2	Send	send	VB
39	102	3	a	a	DT
39	102	4	message	message	NN
39	102	5	to	to	IN
39	102	6	hostmaster@sri-nic.arpa	hostmaster@sri-nic.arpa	NNP
39	102	7	and	and	CC
39	102	8	ask	ask	VB
39	102	9	for	for	IN
39	102	10	the	the	DT
39	102	11	template	template	NN
39	102	12	for	for	IN
39	102	13	a	a	DT
39	102	14	connected	connected	JJ
39	102	15	address	address	NN
39	102	16	)	)	-RRB-
39	102	17	.	.	.
39	103	1	This	this	DT
39	103	2	template	template	NN
39	103	3	is	be	VBZ
39	103	4	filled	fill	VBN
39	103	5	out	out	RP
39	103	6	and	and	CC
39	103	7	mailed	mail	VBN
39	103	8	back	back	RB
39	103	9	to	to	IN
39	103	10	hostmaster	hostmaster	NNP
39	103	11	.	.	.
39	104	1	An	an	DT
39	104	2	address	address	NN
39	104	3	is	be	VBZ
39	104	4	allocated	allocate	VBN
39	104	5	and	and	CC
39	104	6	e	e	NNP
39	104	7	-	-	VBN
39	104	8	mailed	mail	VBN
39	104	9	back	back	RB
39	104	10	to	to	IN
39	104	11	you	-PRON-	PRP
39	104	12	.	.	.
39	105	1	This	this	DT
39	105	2	can	can	MD
39	105	3	also	also	RB
39	105	4	be	be	VB
39	105	5	done	do	VBN
39	105	6	by	by	IN
39	105	7	postal	postal	JJ
39	105	8	mail	mail	NN
39	105	9	(	(	-LRB-
39	105	10	Appendix	Appendix	NNP
39	105	11	B	B	NNP
39	105	12	)	)	-RRB-
39	105	13	.	.	.
39	106	1	IP	ip	NN
39	106	2	addresses	address	NNS
39	106	3	are	be	VBP
39	106	4	32	32	CD
39	106	5	bits	bit	NNS
39	106	6	long	long	JJ
39	106	7	.	.	.
39	107	1	It	-PRON-	PRP
39	107	2	is	be	VBZ
39	107	3	usually	usually	RB
39	107	4	written	write	VBN
39	107	5	as	as	IN
39	107	6	four	four	CD
39	107	7	decimal	decimal	JJ
39	107	8	numbers	number	NNS
39	107	9	separated	separate	VBN
39	107	10	by	by	IN
39	107	11	periods	period	NNS
39	107	12	(	(	-LRB-
39	107	13	e.g.	e.g.	RB
39	107	14	,	,	,
39	107	15	192.17.5.100	192.17.5.100	CD
39	107	16	)	)	-RRB-
39	107	17	.	.	.
39	108	1	Each	each	DT
39	108	2	number	number	NN
39	108	3	is	be	VBZ
39	108	4	the	the	DT
39	108	5	value	value	NN
39	108	6	of	of	IN
39	108	7	an	an	DT
39	108	8	octet	octet	NN
39	108	9	of	of	IN
39	108	10	the	the	DT
39	108	11	32	32	CD
39	108	12	bits	bit	NNS
39	108	13	.	.	.
39	109	1	It	-PRON-	PRP
39	109	2	was	be	VBD
39	109	3	seen	see	VBN
39	109	4	from	from	IN
39	109	5	the	the	DT
39	109	6	beginning	beginning	NN
39	109	7	that	that	IN
39	109	8	some	some	DT
39	109	9	networks	network	NNS
39	109	10	might	may	MD
39	109	11	choose	choose	VB
39	109	12	to	to	TO
39	109	13	organize	organize	VB
39	109	14	themselves	-PRON-	PRP
39	109	15	as	as	IN
39	109	16	very	very	RB
39	109	17	flat	flat	JJ
39	109	18	(	(	-LRB-
39	109	19	one	one	CD
39	109	20	net	net	NN
39	109	21	with	with	IN
39	109	22	a	a	DT
39	109	23	lot	lot	NN
39	109	24	of	of	IN
39	109	25	nodes	node	NNS
39	109	26	)	)	-RRB-
39	109	27	and	and	CC
39	109	28	some	some	DT
39	109	29	might	may	MD
39	109	30	organize	organize	VB
39	109	31	hierarchically	hierarchically	RB
39	109	32	-6-	-6-	NFP
39	109	33	(	(	-LRB-
39	109	34	many	many	JJ
39	109	35	interconnected	interconnected	JJ
39	109	36	nets	net	NNS
39	109	37	with	with	IN
39	109	38	fewer	few	JJR
39	109	39	nodes	node	NNS
39	109	40	each	each	DT
39	109	41	and	and	CC
39	109	42	a	a	DT
39	109	43	backbone	backbone	NN
39	109	44	)	)	-RRB-
39	109	45	.	.	.
39	110	1	To	to	TO
39	110	2	provide	provide	VB
39	110	3	for	for	IN
39	110	4	these	these	DT
39	110	5	cases	case	NNS
39	110	6	,	,	,
39	110	7	addresses	address	NNS
39	110	8	were	be	VBD
39	110	9	differentiated	differentiate	VBN
39	110	10	into	into	IN
39	110	11	class	class	NN
39	110	12	A	a	NN
39	110	13	,	,	,
39	110	14	B	b	NN
39	110	15	,	,	,
39	110	16	and	and	CC
39	110	17	C	c	NN
39	110	18	networks	network	NNS
39	110	19	.	.	.
39	111	1	This	this	DT
39	111	2	classification	classification	NN
39	111	3	had	have	VBD
39	111	4	to	to	IN
39	111	5	with	with	IN
39	111	6	the	the	DT
39	111	7	interpretation	interpretation	NN
39	111	8	of	of	IN
39	111	9	the	the	DT
39	111	10	octets	octet	NNS
39	111	11	.	.	.
39	112	1	Class	class	NN
39	112	2	A	a	NN
39	112	3	networks	network	NNS
39	112	4	have	have	VBP
39	112	5	the	the	DT
39	112	6	first	first	JJ
39	112	7	octet	octet	NN
39	112	8	as	as	IN
39	112	9	a	a	DT
39	112	10	network	network	NN
39	112	11	address	address	NN
39	112	12	and	and	CC
39	112	13	the	the	DT
39	112	14	remaining	remain	VBG
39	112	15	three	three	CD
39	112	16	as	as	IN
39	112	17	a	a	DT
39	112	18	host	host	NN
39	112	19	address	address	NN
39	112	20	on	on	IN
39	112	21	that	that	DT
39	112	22	network	network	NN
39	112	23	.	.	.
39	113	1	Class	class	NN
39	113	2	C	C	NNP
39	113	3	addresses	address	NNS
39	113	4	have	have	VBP
39	113	5	three	three	CD
39	113	6	octets	octet	NNS
39	113	7	of	of	IN
39	113	8	network	network	NN
39	113	9	address	address	NN
39	113	10	and	and	CC
39	113	11	one	one	CD
39	113	12	of	of	IN
39	113	13	host	host	NN
39	113	14	.	.	.
39	114	1	Class	class	NN
39	114	2	B	B	NNP
39	114	3	is	be	VBZ
39	114	4	split	split	VBN
39	114	5	two	two	CD
39	114	6	and	and	CC
39	114	7	two	two	CD
39	114	8	.	.	.
39	115	1	Therefore	therefore	RB
39	115	2	,	,	,
39	115	3	there	there	EX
39	115	4	is	be	VBZ
39	115	5	an	an	DT
39	115	6	address	address	NN
39	115	7	space	space	NN
39	115	8	for	for	IN
39	115	9	a	a	DT
39	115	10	few	few	JJ
39	115	11	large	large	JJ
39	115	12	nets	net	NNS
39	115	13	,	,	,
39	115	14	a	a	DT
39	115	15	reasonable	reasonable	JJ
39	115	16	number	number	NN
39	115	17	of	of	IN
39	115	18	medium	medium	JJ
39	115	19	nets	net	NNS
39	115	20	and	and	CC
39	115	21	a	a	DT
39	115	22	large	large	JJ
39	115	23	number	number	NN
39	115	24	of	of	IN
39	115	25	small	small	JJ
39	115	26	nets	net	NNS
39	115	27	.	.	.
39	116	1	The	the	DT
39	116	2	top	top	JJ
39	116	3	two	two	CD
39	116	4	bits	bit	NNS
39	116	5	in	in	IN
39	116	6	the	the	DT
39	116	7	first	first	JJ
39	116	8	octet	octet	NN
39	116	9	are	be	VBP
39	116	10	coded	code	VBN
39	116	11	to	to	TO
39	116	12	tell	tell	VB
39	116	13	the	the	DT
39	116	14	address	address	NN
39	116	15	format	format	NN
39	116	16	.	.	.
39	117	1	All	all	DT
39	117	2	of	of	IN
39	117	3	the	the	DT
39	117	4	class	class	NN
39	117	5	A	a	NN
39	117	6	nets	net	NNS
39	117	7	have	have	VBP
39	117	8	been	be	VBN
39	117	9	allocated	allocate	VBN
39	117	10	.	.	.
39	118	1	So	so	RB
39	118	2	one	one	PRP
39	118	3	has	have	VBZ
39	118	4	to	to	TO
39	118	5	choose	choose	VB
39	118	6	between	between	IN
39	118	7	Class	Class	NNP
39	118	8	B	B	NNP
39	118	9	and	and	CC
39	118	10	Class	Class	NNP
39	118	11	C	C	NNP
39	118	12	when	when	WRB
39	118	13	placing	place	VBG
39	118	14	an	an	DT
39	118	15	order	order	NN
39	118	16	.	.	.
39	119	1	(	(	-LRB-
39	119	2	There	there	EX
39	119	3	are	be	VBP
39	119	4	also	also	RB
39	119	5	class	class	NN
39	119	6	D	d	NN
39	119	7	(	(	-LRB-
39	119	8	Multicast	Multicast	NNP
39	119	9	)	)	-RRB-
39	119	10	and	and	CC
39	119	11	E	e	NN
39	119	12	(	(	-LRB-
39	119	13	Experimental	Experimental	NNP
39	119	14	)	)	-RRB-
39	119	15	formats	format	NNS
39	119	16	.	.	.
39	120	1	Multicast	multicast	JJ
39	120	2	addresses	address	NNS
39	120	3	will	will	MD
39	120	4	likely	likely	RB
39	120	5	come	come	VB
39	120	6	into	into	IN
39	120	7	greater	great	JJR
39	120	8	use	use	NN
39	120	9	in	in	IN
39	120	10	the	the	DT
39	120	11	near	near	JJ
39	120	12	future	future	NN
39	120	13	,	,	,
39	120	14	but	but	CC
39	120	15	are	be	VBP
39	120	16	not	not	RB
39	120	17	frequently	frequently	RB
39	120	18	used	use	VBN
39	120	19	now	now	RB
39	120	20	)	)	-RRB-
39	120	21	.	.	.
39	121	1	In	in	IN
39	121	2	the	the	DT
39	121	3	past	past	JJ
39	121	4	sites	site	NNS
39	121	5	requiring	require	VBG
39	121	6	multiple	multiple	JJ
39	121	7	network	network	NN
39	121	8	addresses	address	NNS
39	121	9	requested	request	VBD
39	121	10	multiple	multiple	JJ
39	121	11	discrete	discrete	JJ
39	121	12	addresses	address	NNS
39	121	13	(	(	-LRB-
39	121	14	usually	usually	RB
39	121	15	Class	Class	NNP
39	121	16	C	C	NNP
39	121	17	)	)	-RRB-
39	121	18	.	.	.
39	122	1	This	this	DT
39	122	2	was	be	VBD
39	122	3	done	do	VBN
39	122	4	because	because	IN
39	122	5	much	much	JJ
39	122	6	of	of	IN
39	122	7	the	the	DT
39	122	8	software	software	NN
39	122	9	available	available	JJ
39	122	10	(	(	-LRB-
39	122	11	not	not	RB
39	122	12	ably	ably	RB
39	122	13	4.2BSD	4.2bsd	CD
39	122	14	)	)	-RRB-
39	122	15	could	could	MD
39	122	16	not	not	RB
39	122	17	deal	deal	VB
39	122	18	with	with	IN
39	122	19	subnetted	subnette	VBN
39	122	20	addresses	address	NNS
39	122	21	.	.	.
39	123	1	Information	information	NN
39	123	2	on	on	IN
39	123	3	how	how	WRB
39	123	4	to	to	TO
39	123	5	reach	reach	VB
39	123	6	a	a	DT
39	123	7	particular	particular	JJ
39	123	8	network	network	NN
39	123	9	(	(	-LRB-
39	123	10	routing	route	VBG
39	123	11	information	information	NN
39	123	12	)	)	-RRB-
39	123	13	must	must	MD
39	123	14	be	be	VB
39	123	15	stored	store	VBN
39	123	16	in	in	IN
39	123	17	Internet	internet	NN
39	123	18	gateways	gateway	NNS
39	123	19	and	and	CC
39	123	20	packet	packet	NN
39	123	21	switches	switch	NNS
39	123	22	.	.	.
39	124	1	Some	some	DT
39	124	2	of	of	IN
39	124	3	these	these	DT
39	124	4	nodes	node	NNS
39	124	5	have	have	VBP
39	124	6	a	a	DT
39	124	7	limited	limit	VBN
39	124	8	capability	capability	NN
39	124	9	to	to	TO
39	124	10	store	store	VB
39	124	11	and	and	CC
39	124	12	exchange	exchange	NN
39	124	13	routing	routing	NN
39	124	14	information	information	NN
39	124	15	(	(	-LRB-
39	124	16	limited	limited	JJ
39	124	17	to	to	IN
39	124	18	about	about	IN
39	124	19	300	300	CD
39	124	20	networks	network	NNS
39	124	21	)	)	-RRB-
39	124	22	.	.	.
39	125	1	Therefore	therefore	RB
39	125	2	,	,	,
39	125	3	it	-PRON-	PRP
39	125	4	is	be	VBZ
39	125	5	suggested	suggest	VBN
39	125	6	that	that	IN
39	125	7	any	any	DT
39	125	8	campus	campus	NN
39	125	9	announce	announce	NN
39	125	10	(	(	-LRB-
39	125	11	make	make	VBP
39	125	12	known	know	VBN
39	125	13	to	to	IN
39	125	14	the	the	DT
39	125	15	Internet	internet	NN
39	125	16	)	)	-RRB-
39	125	17	no	no	DT
39	125	18	more	more	JJR
39	125	19	than	than	IN
39	125	20	two	two	CD
39	125	21	discrete	discrete	JJ
39	125	22	network	network	NN
39	125	23	numbers	number	NNS
39	125	24	.	.	.
39	126	1	If	if	IN
39	126	2	a	a	DT
39	126	3	campus	campus	NN
39	126	4	expects	expect	VBZ
39	126	5	to	to	TO
39	126	6	be	be	VB
39	126	7	constrained	constrain	VBN
39	126	8	by	by	IN
39	126	9	this	this	DT
39	126	10	,	,	,
39	126	11	it	-PRON-	PRP
39	126	12	should	should	MD
39	126	13	consider	consider	VB
39	126	14	subnetting	subnette	VBG
39	126	15	.	.	.
39	127	1	Subnetting	subnetting	NN
39	127	2	(	(	-LRB-
39	127	3	RFC-932	rfc-932	RB
39	127	4	)	)	-RRB-
39	127	5	allows	allow	VBZ
39	127	6	one	one	PRP
39	127	7	to	to	TO
39	127	8	announce	announce	VB
39	127	9	one	one	CD
39	127	10	address	address	NN
39	127	11	to	to	IN
39	127	12	the	the	DT
39	127	13	Internet	internet	NN
39	127	14	and	and	CC
39	127	15	use	use	VB
39	127	16	a	a	DT
39	127	17	set	set	NN
39	127	18	of	of	IN
39	127	19	addresses	address	NNS
39	127	20	on	on	IN
39	127	21	the	the	DT
39	127	22	campus	campus	NN
39	127	23	.	.	.
39	128	1	Basically	basically	RB
39	128	2	,	,	,
39	128	3	one	one	NN
39	128	4	defines	define	VBZ
39	128	5	a	a	DT
39	128	6	mask	mask	NN
39	128	7	which	which	WDT
39	128	8	allows	allow	VBZ
39	128	9	the	the	DT
39	128	10	network	network	NN
39	128	11	to	to	TO
39	128	12	differentiate	differentiate	VB
39	128	13	between	between	IN
39	128	14	the	the	DT
39	128	15	network	network	NN
39	128	16	portion	portion	NN
39	128	17	and	and	CC
39	128	18	host	host	NN
39	128	19	portion	portion	NN
39	128	20	of	of	IN
39	128	21	the	the	DT
39	128	22	address	address	NN
39	128	23	.	.	.
39	129	1	By	by	IN
39	129	2	using	use	VBG
39	129	3	a	a	DT
39	129	4	different	different	JJ
39	129	5	mask	mask	NN
39	129	6	on	on	IN
39	129	7	the	the	DT
39	129	8	Internet	internet	NN
39	129	9	and	and	CC
39	129	10	the	the	DT
39	129	11	campus	campus	NN
39	129	12	,	,	,
39	129	13	the	the	DT
39	129	14	address	address	NN
39	129	15	can	can	MD
39	129	16	be	be	VB
39	129	17	interpreted	interpret	VBN
39	129	18	in	in	IN
39	129	19	multiple	multiple	JJ
39	129	20	ways	way	NNS
39	129	21	.	.	.
39	130	1	For	for	IN
39	130	2	example	example	NN
39	130	3	,	,	,
39	130	4	if	if	IN
39	130	5	a	a	DT
39	130	6	campus	campus	NN
39	130	7	requires	require	VBZ
39	130	8	two	two	CD
39	130	9	networks	network	NNS
39	130	10	internally	internally	RB
39	130	11	and	and	CC
39	130	12	has	have	VBZ
39	130	13	the	the	DT
39	130	14	32,000	32,000	CD
39	130	15	addresses	address	NNS
39	130	16	beginning	begin	VBG
39	130	17	128.174.X.X	128.174.x.x	CD
39	130	18	(	(	-LRB-
39	130	19	a	a	DT
39	130	20	Class	Class	NNP
39	130	21	B	B	NNP
39	130	22	address	address	NN
39	130	23	)	)	-RRB-
39	130	24	allocated	allocate	VBD
39	130	25	to	to	IN
39	130	26	it	-PRON-	PRP
39	130	27	,	,	,
39	130	28	the	the	DT
39	130	29	campus	campus	NN
39	130	30	could	could	MD
39	130	31	allocate	allocate	VB
39	130	32	128.174.5.X	128.174.5.x	CD
39	130	33	to	to	IN
39	130	34	one	one	CD
39	130	35	part	part	NN
39	130	36	of	of	IN
39	130	37	campus	campus	NN
39	130	38	and	and	CC
39	130	39	128.174.10.X	128.174.10.x	CD
39	130	40	to	to	IN
39	130	41	another	another	DT
39	130	42	.	.	.
39	131	1	By	by	IN
39	131	2	advertising	advertising	NN
39	131	3	128.174	128.174	CD
39	131	4	to	to	IN
39	131	5	the	the	DT
39	131	6	Internet	internet	NN
39	131	7	with	with	IN
39	131	8	a	a	DT
39	131	9	subnet	subnet	NN
39	131	10	mask	mask	NN
39	131	11	of	of	IN
39	131	12	FF.FF.00.00	FF.FF.00.00	NNP
39	131	13	,	,	,
39	131	14	the	the	DT
39	131	15	Internet	internet	NN
39	131	16	would	would	MD
39	131	17	treat	treat	VB
39	131	18	these	these	DT
39	131	19	two	two	CD
39	131	20	addresses	address	NNS
39	131	21	as	as	IN
39	131	22	one	one	CD
39	131	23	.	.	.
39	132	1	Within	within	IN
39	132	2	the	the	DT
39	132	3	campus	campus	NN
39	132	4	a	a	DT
39	132	5	mask	mask	NN
39	132	6	of	of	IN
39	132	7	FF.FF.FF.00	FF.FF.FF.00	:
39	132	8	would	would	MD
39	132	9	be	be	VB
39	132	10	used	use	VBN
39	132	11	,	,	,
39	132	12	allowing	allow	VBG
39	132	13	the	the	DT
39	132	14	campus	campus	NN
39	132	15	to	to	TO
39	132	16	treat	treat	VB
39	132	17	the	the	DT
39	132	18	addresses	address	NNS
39	132	19	as	as	IN
39	132	20	separate	separate	JJ
39	132	21	entities	entity	NNS
39	132	22	.	.	.
39	133	1	(	(	-LRB-
39	133	2	In	in	IN
39	133	3	reality	reality	NN
39	133	4	you	-PRON-	PRP
39	133	5	do	do	VBP
39	133	6	n't	not	RB
39	133	7	pass	pass	VB
39	133	8	the	the	DT
39	133	9	subnet	subnet	NN
39	133	10	mask	mask	NN
39	133	11	of	of	IN
39	133	12	FF.FF.00.00	FF.FF.00.00	NNP
39	133	13	to	to	IN
39	133	14	the	the	DT
39	133	15	Internet	internet	NN
39	133	16	,	,	,
39	133	17	the	the	DT
39	133	18	octet	octet	JJ
39	133	19	meaning	meaning	NN
39	133	20	is	be	VBZ
39	133	21	implicit	implicit	JJ
39	133	22	in	in	IN
39	133	23	its	-PRON-	PRP$
39	133	24	being	be	VBG
39	133	25	a	a	DT
39	133	26	class	class	NN
39	133	27	B	b	NN
39	133	28	address	address	NN
39	133	29	)	)	-RRB-
39	133	30	.	.	.
39	134	1	A	a	DT
39	134	2	word	word	NN
39	134	3	of	of	IN
39	134	4	warning	warning	NN
39	134	5	is	be	VBZ
39	134	6	necessary	necessary	JJ
39	134	7	.	.	.
39	135	1	Not	not	RB
39	135	2	all	all	DT
39	135	3	systems	system	NNS
39	135	4	know	know	VBP
39	135	5	how	how	WRB
39	135	6	to	to	TO
39	135	7	do	do	VB
39	135	8	subnetting	subnetting	NN
39	135	9	.	.	.
39	136	1	Some	some	DT
39	136	2	4.2BSD	4.2bsd	CD
39	136	3	systems	system	NNS
39	136	4	require	require	VBP
39	136	5	additional	additional	JJ
39	136	6	software	software	NN
39	136	7	.	.	.
39	137	1	4.3BSD	4.3bsd	CD
39	137	2	systems	system	NNS
39	137	3	subnet	subnet	VBP
39	137	4	as	as	IN
39	137	5	released	release	VBN
39	137	6	.	.	.
39	138	1	Other	other	JJ
39	138	2	devices	device	NNS
39	138	3	-7-	-7-	:
39	138	4	and	and	CC
39	138	5	operating	operating	NN
39	138	6	systems	system	NNS
39	138	7	vary	vary	VBP
39	138	8	in	in	IN
39	138	9	the	the	DT
39	138	10	problems	problem	NNS
39	138	11	they	-PRON-	PRP
39	138	12	have	have	VBP
39	138	13	dealing	deal	VBG
39	138	14	with	with	IN
39	138	15	subnets	subnet	NNS
39	138	16	.	.	.
39	139	1	Frequently	frequently	RB
39	139	2	these	these	DT
39	139	3	machines	machine	NNS
39	139	4	can	can	MD
39	139	5	be	be	VB
39	139	6	used	use	VBN
39	139	7	as	as	IN
39	139	8	a	a	DT
39	139	9	leaf	leaf	NN
39	139	10	on	on	IN
39	139	11	a	a	DT
39	139	12	network	network	NN
39	139	13	but	but	CC
39	139	14	not	not	RB
39	139	15	as	as	IN
39	139	16	a	a	DT
39	139	17	gateway	gateway	NN
39	139	18	within	within	IN
39	139	19	the	the	DT
39	139	20	subnetted	subnette	VBN
39	139	21	portion	portion	NN
39	139	22	of	of	IN
39	139	23	the	the	DT
39	139	24	network	network	NN
39	139	25	.	.	.
39	140	1	As	as	IN
39	140	2	time	time	NN
39	140	3	passes	pass	VBZ
39	140	4	and	and	CC
39	140	5	more	more	JJR
39	140	6	systems	system	NNS
39	140	7	become	become	VBP
39	140	8	4.3BSD	4.3bsd	CD
39	140	9	based	base	VBN
39	140	10	,	,	,
39	140	11	these	these	DT
39	140	12	problems	problem	NNS
39	140	13	should	should	MD
39	140	14	disappear	disappear	VB
39	140	15	.	.	.
39	141	1	There	there	EX
39	141	2	has	have	VBZ
39	141	3	been	be	VBN
39	141	4	some	some	DT
39	141	5	confusion	confusion	NN
39	141	6	in	in	IN
39	141	7	the	the	DT
39	141	8	past	past	NN
39	141	9	over	over	IN
39	141	10	the	the	DT
39	141	11	format	format	NN
39	141	12	of	of	IN
39	141	13	an	an	DT
39	141	14	IP	IP	NNP
39	141	15	broadcast	broadcast	NN
39	141	16	address	address	NN
39	141	17	.	.	.
39	142	1	Some	some	DT
39	142	2	machines	machine	NNS
39	142	3	used	use	VBD
39	142	4	an	an	DT
39	142	5	address	address	NN
39	142	6	of	of	IN
39	142	7	all	all	DT
39	142	8	zeros	zero	NNS
39	142	9	to	to	TO
39	142	10	mean	mean	VB
39	142	11	broadcast	broadcast	NN
39	142	12	and	and	CC
39	142	13	some	some	DT
39	142	14	all	all	DT
39	142	15	ones	one	NNS
39	142	16	.	.	.
39	143	1	This	this	DT
39	143	2	was	be	VBD
39	143	3	confusing	confusing	JJ
39	143	4	when	when	WRB
39	143	5	machines	machine	NNS
39	143	6	of	of	IN
39	143	7	both	both	DT
39	143	8	type	type	NN
39	143	9	were	be	VBD
39	143	10	connected	connect	VBN
39	143	11	to	to	IN
39	143	12	the	the	DT
39	143	13	same	same	JJ
39	143	14	network	network	NN
39	143	15	.	.	.
39	144	1	The	the	DT
39	144	2	broadcast	broadcast	NN
39	144	3	address	address	NN
39	144	4	of	of	IN
39	144	5	all	all	DT
39	144	6	ones	one	NNS
39	144	7	has	have	VBZ
39	144	8	been	be	VBN
39	144	9	adopted	adopt	VBN
39	144	10	to	to	TO
39	144	11	end	end	VB
39	144	12	the	the	DT
39	144	13	grief	grief	NN
39	144	14	.	.	.
39	145	1	Some	some	DT
39	145	2	systems	system	NNS
39	145	3	(	(	-LRB-
39	145	4	e.g.	e.g.	RB
39	146	1	4.2	4.2	CD
39	146	2	BSD	BSD	NNP
39	146	3	)	)	-RRB-
39	146	4	allow	allow	VBP
39	146	5	one	one	PRP
39	146	6	to	to	TO
39	146	7	choose	choose	VB
39	146	8	the	the	DT
39	146	9	format	format	NN
39	146	10	of	of	IN
39	146	11	the	the	DT
39	146	12	broadcast	broadcast	NN
39	146	13	address	address	NN
39	146	14	.	.	.
39	147	1	If	if	IN
39	147	2	a	a	DT
39	147	3	system	system	NN
39	147	4	does	do	VBZ
39	147	5	allow	allow	VB
39	147	6	this	this	DT
39	147	7	choice	choice	NN
39	147	8	,	,	,
39	147	9	care	care	NN
39	147	10	should	should	MD
39	147	11	be	be	VB
39	147	12	taken	take	VBN
39	147	13	that	that	IN
39	147	14	the	the	DT
39	147	15	all	all	DT
39	147	16	ones	one	NNS
39	147	17	format	format	NN
39	147	18	is	be	VBZ
39	147	19	chosen	choose	VBN
39	147	20	.	.	.
39	148	1	(	(	-LRB-
39	148	2	This	this	DT
39	148	3	is	be	VBZ
39	148	4	explained	explain	VBN
39	148	5	in	in	IN
39	148	6	RFC-1009	RFC-1009	NNP
39	148	7	and	and	CC
39	148	8	RFC-1010	RFC-1010	NNP
39	148	9	)	)	-RRB-
39	148	10	.	.	.
39	149	1	Internet	internet	NN
39	149	2	Problems	problem	NNS
39	149	3	There	there	EX
39	149	4	are	be	VBP
39	149	5	a	a	DT
39	149	6	number	number	NN
39	149	7	of	of	IN
39	149	8	problems	problem	NNS
39	149	9	with	with	IN
39	149	10	the	the	DT
39	149	11	Internet	internet	NN
39	149	12	.	.	.
39	150	1	Solutions	solution	NNS
39	150	2	to	to	IN
39	150	3	the	the	DT
39	150	4	problems	problem	NNS
39	150	5	range	range	VBP
39	150	6	from	from	IN
39	150	7	software	software	NN
39	150	8	changes	change	NNS
39	150	9	to	to	IN
39	150	10	long	long	JJ
39	150	11	term	term	NN
39	150	12	research	research	NN
39	150	13	projects	project	NNS
39	150	14	.	.	.
39	151	1	Some	some	DT
39	151	2	of	of	IN
39	151	3	the	the	DT
39	151	4	major	major	JJ
39	151	5	ones	one	NNS
39	151	6	are	be	VBP
39	151	7	detailed	detail	VBN
39	151	8	below	below	IN
39	151	9	:	:	:
39	151	10	Number	number	NN
39	151	11	of	of	IN
39	151	12	Networks	Networks	NNP
39	151	13	When	when	WRB
39	151	14	the	the	DT
39	151	15	Internet	internet	NN
39	151	16	was	be	VBD
39	151	17	designed	design	VBN
39	151	18	it	-PRON-	PRP
39	151	19	was	be	VBD
39	151	20	to	to	TO
39	151	21	have	have	VB
39	151	22	about	about	RB
39	151	23	50	50	CD
39	151	24	connected	connected	JJ
39	151	25	networks	network	NNS
39	151	26	.	.	.
39	152	1	With	with	IN
39	152	2	the	the	DT
39	152	3	explosion	explosion	NN
39	152	4	of	of	IN
39	152	5	networking	networking	NN
39	152	6	,	,	,
39	152	7	the	the	DT
39	152	8	number	number	NN
39	152	9	is	be	VBZ
39	152	10	now	now	RB
39	152	11	approaching	approach	VBG
39	152	12	300	300	CD
39	152	13	.	.	.
39	153	1	The	the	DT
39	153	2	software	software	NN
39	153	3	in	in	IN
39	153	4	a	a	DT
39	153	5	group	group	NN
39	153	6	of	of	IN
39	153	7	critical	critical	JJ
39	153	8	gateways	gateway	NNS
39	153	9	(	(	-LRB-
39	153	10	called	call	VBN
39	153	11	the	the	DT
39	153	12	core	core	NN
39	153	13	gateways	gateway	NNS
39	153	14	of	of	IN
39	153	15	the	the	DT
39	153	16	ARPAnet	arpanet	NN
39	153	17	)	)	-RRB-
39	153	18	are	be	VBP
39	153	19	not	not	RB
39	153	20	able	able	JJ
39	153	21	to	to	TO
39	153	22	pass	pass	VB
39	153	23	or	or	CC
39	153	24	store	store	VB
39	153	25	much	much	RB
39	153	26	more	more	JJR
39	153	27	than	than	IN
39	153	28	that	that	DT
39	153	29	number	number	NN
39	153	30	.	.	.
39	154	1	In	in	IN
39	154	2	the	the	DT
39	154	3	short	short	JJ
39	154	4	term	term	NN
39	154	5	,	,	,
39	154	6	core	core	NN
39	154	7	reallocation	reallocation	NN
39	154	8	and	and	CC
39	154	9	recoding	recoding	NN
39	154	10	has	have	VBZ
39	154	11	raised	raise	VBN
39	154	12	the	the	DT
39	154	13	number	number	NN
39	154	14	slightly	slightly	RB
39	154	15	.	.	.
39	155	1	By	by	IN
39	155	2	the	the	DT
39	155	3	summer	summer	NN
39	155	4	of	of	IN
39	155	5	'	'	CD
39	155	6	88	88	CD
39	155	7	the	the	DT
39	155	8	current	current	JJ
39	155	9	PDP-11	pdp-11	JJ
39	155	10	core	core	NN
39	155	11	gateways	gateway	NNS
39	155	12	will	will	MD
39	155	13	be	be	VB
39	155	14	replaced	replace	VBN
39	155	15	with	with	IN
39	155	16	BBN	BBN	NNP
39	155	17	Butterfly	Butterfly	NNP
39	155	18	gateways	gateway	NNS
39	155	19	which	which	WDT
39	155	20	will	will	MD
39	155	21	solve	solve	VB
39	155	22	the	the	DT
39	155	23	problem	problem	NN
39	155	24	.	.	.
39	156	1	Routing	route	VBG
39	156	2	Issues	issue	NNS
39	156	3	Along	along	IN
39	156	4	with	with	IN
39	156	5	sheer	sheer	JJ
39	156	6	mass	mass	NN
39	156	7	of	of	IN
39	156	8	the	the	DT
39	156	9	data	datum	NNS
39	156	10	necessary	necessary	JJ
39	156	11	to	to	TO
39	156	12	route	route	VB
39	156	13	packets	packet	NNS
39	156	14	to	to	IN
39	156	15	a	a	DT
39	156	16	large	large	JJ
39	156	17	number	number	NN
39	156	18	of	of	IN
39	156	19	networks	network	NNS
39	156	20	,	,	,
39	156	21	there	there	EX
39	156	22	are	be	VBP
39	156	23	many	many	JJ
39	156	24	problems	problem	NNS
39	156	25	with	with	IN
39	156	26	the	the	DT
39	156	27	updating	updating	NN
39	156	28	,	,	,
39	156	29	stability	stability	NN
39	156	30	,	,	,
39	156	31	and	and	CC
39	156	32	optimality	optimality	NN
39	156	33	of	of	IN
39	156	34	the	the	DT
39	156	35	routing	route	VBG
39	156	36	algorithms	algorithm	NNS
39	156	37	.	.	.
39	157	1	Much	much	JJ
39	157	2	research	research	NN
39	157	3	is	be	VBZ
39	157	4	being	be	VBG
39	157	5	done	do	VBN
39	157	6	in	in	IN
39	157	7	the	the	DT
39	157	8	area	area	NN
39	157	9	,	,	,
39	157	10	but	but	CC
39	157	11	the	the	DT
39	157	12	optimal	optimal	JJ
39	157	13	solution	solution	NN
39	157	14	to	to	IN
39	157	15	these	these	DT
39	157	16	routing	routing	NN
39	157	17	problems	problem	NNS
39	157	18	is	be	VBZ
39	157	19	still	still	RB
39	157	20	years	year	NNS
39	157	21	away	away	RB
39	157	22	.	.	.
39	158	1	In	in	IN
39	158	2	most	most	JJS
39	158	3	cases	case	NNS
39	158	4	the	the	DT
39	158	5	the	the	DT
39	158	6	routing	routing	NN
39	158	7	we	-PRON-	PRP
39	158	8	have	have	VBP
39	158	9	today	today	NN
39	158	10	works	work	NNS
39	158	11	,	,	,
39	158	12	but	but	CC
39	158	13	sub	sub	NN
39	158	14	-	-	HYPH
39	158	15	optimally	optimally	RB
39	158	16	and	and	CC
39	158	17	sometimes	sometimes	RB
39	158	18	unpredictably	unpredictably	RB
39	158	19	.	.	.
39	159	1	-8-	-8-	NFP
39	159	2	Trust	Trust	NNP
39	159	3	Issues	Issues	NNPS
39	159	4	Gateways	Gateways	NNP
39	159	5	exchange	exchange	NN
39	159	6	network	network	NN
39	159	7	routing	route	VBG
39	159	8	information	information	NN
39	159	9	.	.	.
39	160	1	Currently	currently	RB
39	160	2	,	,	,
39	160	3	most	most	JJS
39	160	4	gateways	gateway	NNS
39	160	5	accept	accept	VBP
39	160	6	on	on	IN
39	160	7	faith	faith	NN
39	160	8	that	that	IN
39	160	9	the	the	DT
39	160	10	information	information	NN
39	160	11	provided	provide	VBD
39	160	12	about	about	IN
39	160	13	the	the	DT
39	160	14	state	state	NN
39	160	15	of	of	IN
39	160	16	the	the	DT
39	160	17	network	network	NN
39	160	18	is	be	VBZ
39	160	19	correct	correct	JJ
39	160	20	.	.	.
39	161	1	In	in	IN
39	161	2	the	the	DT
39	161	3	past	past	NN
39	161	4	this	this	DT
39	161	5	was	be	VBD
39	161	6	not	not	RB
39	161	7	a	a	DT
39	161	8	big	big	JJ
39	161	9	problem	problem	NN
39	161	10	since	since	IN
39	161	11	most	most	JJS
39	161	12	of	of	IN
39	161	13	the	the	DT
39	161	14	gateways	gateway	NNS
39	161	15	belonged	belong	VBD
39	161	16	to	to	IN
39	161	17	a	a	DT
39	161	18	single	single	JJ
39	161	19	administrative	administrative	JJ
39	161	20	entity	entity	NN
39	161	21	(	(	-LRB-
39	161	22	DARPA	DARPA	NNP
39	161	23	)	)	-RRB-
39	161	24	.	.	.
39	162	1	Now	now	RB
39	162	2	with	with	IN
39	162	3	multiple	multiple	JJ
39	162	4	wide	wide	JJ
39	162	5	area	area	NN
39	162	6	networks	network	NNS
39	162	7	under	under	IN
39	162	8	different	different	JJ
39	162	9	administrations	administration	NNS
39	162	10	,	,	,
39	162	11	a	a	DT
39	162	12	rogue	rogue	JJ
39	162	13	gateway	gateway	NN
39	162	14	somewhere	somewhere	RB
39	162	15	in	in	IN
39	162	16	the	the	DT
39	162	17	net	net	NN
39	162	18	could	could	MD
39	162	19	cripple	cripple	VB
39	162	20	the	the	DT
39	162	21	Internet	internet	NN
39	162	22	.	.	.
39	163	1	There	there	EX
39	163	2	is	be	VBZ
39	163	3	design	design	NN
39	163	4	work	work	NN
39	163	5	going	go	VBG
39	163	6	on	on	RP
39	163	7	to	to	TO
39	163	8	solve	solve	VB
39	163	9	both	both	CC
39	163	10	the	the	DT
39	163	11	problem	problem	NN
39	163	12	of	of	IN
39	163	13	a	a	DT
39	163	14	gateway	gateway	NN
39	163	15	doing	do	VBG
39	163	16	unreasonable	unreasonable	JJ
39	163	17	things	thing	NNS
39	163	18	and	and	CC
39	163	19	providing	provide	VBG
39	163	20	enough	enough	JJ
39	163	21	information	information	NN
39	163	22	to	to	TO
39	163	23	reasonably	reasonably	RB
39	163	24	route	route	VB
39	163	25	data	datum	NNS
39	163	26	between	between	IN
39	163	27	multiply	multiply	JJ
39	163	28	connected	connect	VBN
39	163	29	networks	network	NNS
39	163	30	(	(	-LRB-
39	163	31	multi	multi	JJ
39	163	32	-	-	JJ
39	163	33	homed	homed	JJ
39	163	34	networks	network	NNS
39	163	35	)	)	-RRB-
39	163	36	.	.	.
39	164	1	Capacity	Capacity	NNP
39	164	2	&	&	CC
39	164	3	Congestion	Congestion	NNP
39	164	4	Many	many	JJ
39	164	5	portions	portion	NNS
39	164	6	of	of	IN
39	164	7	the	the	DT
39	164	8	ARPAnet	arpanet	NN
39	164	9	are	be	VBP
39	164	10	very	very	RB
39	164	11	congested	congested	JJ
39	164	12	during	during	IN
39	164	13	the	the	DT
39	164	14	busy	busy	JJ
39	164	15	part	part	NN
39	164	16	of	of	IN
39	164	17	the	the	DT
39	164	18	day	day	NN
39	164	19	.	.	.
39	165	1	Additional	additional	JJ
39	165	2	links	link	NNS
39	165	3	are	be	VBP
39	165	4	planned	plan	VBN
39	165	5	to	to	TO
39	165	6	alleviate	alleviate	VB
39	165	7	this	this	DT
39	165	8	congestion	congestion	NN
39	165	9	,	,	,
39	165	10	but	but	CC
39	165	11	the	the	DT
39	165	12	implementation	implementation	NN
39	165	13	will	will	MD
39	165	14	take	take	VB
39	165	15	a	a	DT
39	165	16	few	few	JJ
39	165	17	months	month	NNS
39	165	18	.	.	.
39	166	1	These	these	DT
39	166	2	problems	problem	NNS
39	166	3	and	and	CC
39	166	4	the	the	DT
39	166	5	future	future	JJ
39	166	6	direction	direction	NN
39	166	7	of	of	IN
39	166	8	the	the	DT
39	166	9	Internet	internet	NN
39	166	10	are	be	VBP
39	166	11	determined	determine	VBN
39	166	12	by	by	IN
39	166	13	the	the	DT
39	166	14	Internet	internet	NN
39	166	15	Architect	Architect	NNP
39	166	16	(	(	-LRB-
39	166	17	Dave	Dave	NNP
39	166	18	Clark	Clark	NNP
39	166	19	of	of	IN
39	166	20	MIT	MIT	NNP
39	166	21	)	)	-RRB-
39	166	22	being	be	VBG
39	166	23	advised	advise	VBN
39	166	24	by	by	IN
39	166	25	the	the	DT
39	166	26	Internet	Internet	NNP
39	166	27	Activities	Activities	NNPS
39	166	28	Board	Board	NNP
39	166	29	(	(	-LRB-
39	166	30	IAB	IAB	NNP
39	166	31	)	)	-RRB-
39	166	32	.	.	.
39	167	1	This	this	DT
39	167	2	board	board	NN
39	167	3	is	be	VBZ
39	167	4	composed	compose	VBN
39	167	5	of	of	IN
39	167	6	chairmen	chairman	NNS
39	167	7	of	of	IN
39	167	8	a	a	DT
39	167	9	number	number	NN
39	167	10	of	of	IN
39	167	11	committees	committee	NNS
39	167	12	with	with	IN
39	167	13	responsibility	responsibility	NN
39	167	14	for	for	IN
39	167	15	various	various	JJ
39	167	16	specialized	specialized	JJ
39	167	17	areas	area	NNS
39	167	18	of	of	IN
39	167	19	the	the	DT
39	167	20	Internet	internet	NN
39	167	21	.	.	.
39	168	1	The	the	DT
39	168	2	committees	committee	NNS
39	168	3	composing	compose	VBG
39	168	4	the	the	DT
39	168	5	IAB	IAB	NNP
39	168	6	and	and	CC
39	168	7	their	-PRON-	PRP$
39	168	8	chairmen	chairman	NNS
39	168	9	are	be	VBP
39	168	10	:	:	:
39	168	11	Committee	Committee	NNP
39	168	12	Chair	Chair	NNP
39	168	13	Autonomous	Autonomous	NNP
39	168	14	Networks	Networks	NNPS
39	168	15	Deborah	Deborah	NNP
39	168	16	Estrin	Estrin	NNP
39	168	17	End	end	NN
39	168	18	-	-	HYPH
39	168	19	to	to	IN
39	168	20	-	-	HYPH
39	168	21	End	end	NN
39	168	22	Services	Services	NNPS
39	168	23	Bob	Bob	NNP
39	168	24	Braden	Braden	NNP
39	168	25	Internet	Internet	NNP
39	168	26	Architecture	Architecture	NNP
39	168	27	Dave	Dave	NNP
39	168	28	Mills	Mills	NNP
39	168	29	Internet	Internet	NNP
39	168	30	Engineering	Engineering	NNP
39	168	31	Phil	Phil	NNP
39	168	32	Gross	Gross	NNP
39	168	33	EGP2	EGP2	NNP
39	168	34	Mike	Mike	NNP
39	168	35	Petry	Petry	NNP
39	168	36	Name	Name	NNP
39	168	37	Domain	Domain	NNP
39	168	38	Planning	Planning	NNP
39	168	39	Doug	Doug	NNP
39	168	40	Kingston	Kingston	NNP
39	168	41	Gateway	Gateway	NNP
39	168	42	Monitoring	Monitoring	NNP
39	168	43	Craig	Craig	NNP
39	168	44	Partridge	Partridge	NNP
39	168	45	Internic	Internic	NNP
39	168	46	Jake	Jake	NNP
39	168	47	Feinler	Feinler	NNP
39	168	48	Performance	Performance	NNP
39	168	49	&	&	CC
39	168	50	Congestion	Congestion	NNP
39	168	51	ControlRobert	ControlRobert	NNP
39	168	52	Stine	Stine	NNP
39	168	53	NSF	NSF	NNP
39	168	54	Routing	Routing	NNP
39	168	55	Chuck	Chuck	NNP
39	168	56	Hedrick	Hedrick	NNP
39	168	57	Misc	Misc	NNP
39	168	58	.	.	.
39	169	1	MilSup	MilSup	NNP
39	169	2	Issues	Issues	NNPS
39	169	3	Mike	Mike	NNP
39	169	4	St.	St.	NNP
39	169	5	Johns	Johns	NNP
39	169	6	Privacy	Privacy	NNP
39	169	7	Steve	Steve	NNP
39	169	8	Kent	Kent	NNP
39	169	9	IRINET	IRINET	NNP
39	169	10	Requirements	requirement	NNS
39	169	11	Vint	vint	NN
39	169	12	Cerf	Cerf	NNP
39	169	13	Robustness	Robustness	NNP
39	169	14	&	&	CC
39	169	15	Survivability	Survivability	NNP
39	169	16	Jim	Jim	NNP
39	169	17	Mathis	Mathis	NNP
39	169	18	Scientific	Scientific	NNP
39	169	19	Requirements	Requirements	NNPS
39	169	20	Barry	Barry	NNP
39	169	21	Leiner	Leiner	NNP
39	169	22	Note	note	VB
39	169	23	that	that	IN
39	169	24	under	under	IN
39	169	25	Internet	Internet	NNP
39	169	26	Engineering	Engineering	NNP
39	169	27	,	,	,
39	169	28	there	there	EX
39	169	29	are	be	VBP
39	169	30	a	a	DT
39	169	31	set	set	NN
39	169	32	of	of	IN
39	169	33	task	task	NN
39	169	34	forces	force	NNS
39	169	35	and	and	CC
39	169	36	chairs	chair	NNS
39	169	37	to	to	TO
39	169	38	look	look	VB
39	169	39	at	at	IN
39	169	40	short	short	JJ
39	169	41	term	term	NN
39	169	42	concerns	concern	NNS
39	169	43	.	.	.
39	170	1	The	the	DT
39	170	2	chairs	chair	NNS
39	170	3	of	of	IN
39	170	4	these	these	DT
39	170	5	task	task	NN
39	170	6	forces	force	NNS
39	170	7	are	be	VBP
39	170	8	not	not	RB
39	170	9	part	part	NN
39	170	10	of	of	IN
39	170	11	the	the	DT
39	170	12	IAB	IAB	NNP
39	170	13	.	.	.
39	171	1	-9-	-9-	:
39	171	2	Routing	route	VBG
39	171	3	Routing	Routing	NNP
39	171	4	is	be	VBZ
39	171	5	the	the	DT
39	171	6	algorithm	algorithm	NN
39	171	7	by	by	IN
39	171	8	which	which	WDT
39	171	9	a	a	DT
39	171	10	network	network	NN
39	171	11	directs	direct	VBZ
39	171	12	a	a	DT
39	171	13	packet	packet	NN
39	171	14	from	from	IN
39	171	15	its	-PRON-	PRP$
39	171	16	source	source	NN
39	171	17	to	to	IN
39	171	18	its	-PRON-	PRP$
39	171	19	destination	destination	NN
39	171	20	.	.	.
39	172	1	To	to	TO
39	172	2	appreciate	appreciate	VB
39	172	3	the	the	DT
39	172	4	problem	problem	NN
39	172	5	,	,	,
39	172	6	watch	watch	VB
39	172	7	a	a	DT
39	172	8	small	small	JJ
39	172	9	child	child	NN
39	172	10	trying	try	VBG
39	172	11	to	to	TO
39	172	12	find	find	VB
39	172	13	a	a	DT
39	172	14	table	table	NN
39	172	15	in	in	IN
39	172	16	a	a	DT
39	172	17	restaurant	restaurant	NN
39	172	18	.	.	.
39	173	1	From	from	IN
39	173	2	the	the	DT
39	173	3	adult	adult	NN
39	173	4	point	point	NN
39	173	5	of	of	IN
39	173	6	view	view	NN
39	173	7	the	the	DT
39	173	8	structure	structure	NN
39	173	9	of	of	IN
39	173	10	the	the	DT
39	173	11	dining	dining	NN
39	173	12	room	room	NN
39	173	13	is	be	VBZ
39	173	14	seen	see	VBN
39	173	15	and	and	CC
39	173	16	an	an	DT
39	173	17	optimal	optimal	JJ
39	173	18	route	route	NN
39	173	19	easily	easily	RB
39	173	20	chosen	choose	VBN
39	173	21	.	.	.
39	174	1	The	the	DT
39	174	2	child	child	NN
39	174	3	,	,	,
39	174	4	however	however	RB
39	174	5	,	,	,
39	174	6	is	be	VBZ
39	174	7	presented	present	VBN
39	174	8	with	with	IN
39	174	9	a	a	DT
39	174	10	set	set	NN
39	174	11	of	of	IN
39	174	12	paths	path	NNS
39	174	13	between	between	IN
39	174	14	tables	table	NNS
39	174	15	where	where	WRB
39	174	16	a	a	DT
39	174	17	good	good	JJ
39	174	18	path	path	NN
39	174	19	,	,	,
39	174	20	let	let	VB
39	174	21	alone	alone	RB
39	174	22	the	the	DT
39	174	23	optimal	optimal	JJ
39	174	24	one	one	NN
39	174	25	to	to	IN
39	174	26	the	the	DT
39	174	27	goal	goal	NN
39	174	28	is	be	VBZ
39	174	29	not	not	RB
39	174	30	discernible	discernible	JJ
39	174	31	.	.	.
39	175	1	*	*	NFP
39	175	2	*	*	NFP
39	175	3	*	*	NFP
39	175	4	A	a	DT
39	175	5	little	little	RB
39	175	6	more	more	JJR
39	175	7	background	background	NN
39	175	8	might	may	MD
39	175	9	be	be	VB
39	175	10	appropriate	appropriate	JJ
39	175	11	.	.	.
39	176	1	IP	IP	NNP
39	176	2	gateways	gateway	NNS
39	176	3	(	(	-LRB-
39	176	4	more	more	RBR
39	176	5	correctly	correctly	RB
39	176	6	routers	router	NNS
39	176	7	)	)	-RRB-
39	176	8	are	be	VBP
39	176	9	boxes	box	NNS
39	176	10	which	which	WDT
39	176	11	have	have	VBP
39	176	12	connections	connection	NNS
39	176	13	to	to	IN
39	176	14	multiple	multiple	JJ
39	176	15	networks	network	NNS
39	176	16	and	and	CC
39	176	17	pass	pass	VB
39	176	18	traffic	traffic	NN
39	176	19	between	between	IN
39	176	20	these	these	DT
39	176	21	nets	net	NNS
39	176	22	.	.	.
39	177	1	They	-PRON-	PRP
39	177	2	decide	decide	VBP
39	177	3	how	how	WRB
39	177	4	the	the	DT
39	177	5	packet	packet	NN
39	177	6	is	be	VBZ
39	177	7	to	to	TO
39	177	8	be	be	VB
39	177	9	sent	send	VBN
39	177	10	based	base	VBN
39	177	11	on	on	IN
39	177	12	the	the	DT
39	177	13	information	information	NN
39	177	14	in	in	IN
39	177	15	the	the	DT
39	177	16	IP	IP	NNP
39	177	17	header	header	NN
39	177	18	of	of	IN
39	177	19	the	the	DT
39	177	20	packet	packet	NN
39	177	21	and	and	CC
39	177	22	the	the	DT
39	177	23	state	state	NN
39	177	24	of	of	IN
39	177	25	the	the	DT
39	177	26	network	network	NN
39	177	27	.	.	.
39	178	1	Each	each	DT
39	178	2	interface	interface	NN
39	178	3	on	on	IN
39	178	4	a	a	DT
39	178	5	router	router	NN
39	178	6	has	have	VBZ
39	178	7	an	an	DT
39	178	8	unique	unique	JJ
39	178	9	address	address	NN
39	178	10	appropriate	appropriate	JJ
39	178	11	to	to	IN
39	178	12	the	the	DT
39	178	13	network	network	NN
39	178	14	to	to	TO
39	178	15	which	which	WDT
39	178	16	it	-PRON-	PRP
39	178	17	is	be	VBZ
39	178	18	connected	connect	VBN
39	178	19	.	.	.
39	179	1	The	the	DT
39	179	2	information	information	NN
39	179	3	in	in	IN
39	179	4	the	the	DT
39	179	5	IP	IP	NNP
39	179	6	header	header	NN
39	179	7	which	which	WDT
39	179	8	is	be	VBZ
39	179	9	used	use	VBN
39	179	10	is	be	VBZ
39	179	11	primarily	primarily	RB
39	179	12	the	the	DT
39	179	13	destination	destination	NN
39	179	14	address	address	NN
39	179	15	.	.	.
39	180	1	Other	other	JJ
39	180	2	information	information	NN
39	180	3	(	(	-LRB-
39	180	4	e.g.	e.g.	RB
39	181	1	type	type	NN
39	181	2	of	of	IN
39	181	3	service	service	NN
39	181	4	)	)	-RRB-
39	181	5	is	be	VBZ
39	181	6	largely	largely	RB
39	181	7	ignored	ignore	VBN
39	181	8	at	at	IN
39	181	9	this	this	DT
39	181	10	time	time	NN
39	181	11	.	.	.
39	182	1	The	the	DT
39	182	2	state	state	NN
39	182	3	of	of	IN
39	182	4	the	the	DT
39	182	5	network	network	NN
39	182	6	is	be	VBZ
39	182	7	determined	determine	VBN
39	182	8	by	by	IN
39	182	9	the	the	DT
39	182	10	routers	router	NNS
39	182	11	passing	pass	VBG
39	182	12	information	information	NN
39	182	13	among	among	IN
39	182	14	themselves	-PRON-	PRP
39	182	15	.	.	.
39	183	1	The	the	DT
39	183	2	distribution	distribution	NN
39	183	3	of	of	IN
39	183	4	the	the	DT
39	183	5	database	database	NN
39	183	6	(	(	-LRB-
39	183	7	what	what	WP
39	183	8	each	each	DT
39	183	9	node	node	NN
39	183	10	knows	know	VBZ
39	183	11	)	)	-RRB-
39	183	12	,	,	,
39	183	13	the	the	DT
39	183	14	form	form	NN
39	183	15	of	of	IN
39	183	16	the	the	DT
39	183	17	updates	update	NNS
39	183	18	,	,	,
39	183	19	and	and	CC
39	183	20	metrics	metric	NNS
39	183	21	used	use	VBN
39	183	22	to	to	TO
39	183	23	measure	measure	VB
39	183	24	the	the	DT
39	183	25	value	value	NN
39	183	26	of	of	IN
39	183	27	a	a	DT
39	183	28	connection	connection	NN
39	183	29	,	,	,
39	183	30	are	be	VBP
39	183	31	the	the	DT
39	183	32	parameters	parameter	NNS
39	183	33	which	which	WDT
39	183	34	determine	determine	VBP
39	183	35	the	the	DT
39	183	36	characteristics	characteristic	NNS
39	183	37	of	of	IN
39	183	38	a	a	DT
39	183	39	routing	route	VBG
39	183	40	protocol	protocol	NN
39	183	41	.	.	.
39	184	1	Under	under	IN
39	184	2	some	some	DT
39	184	3	algorithms	algorithm	NNS
39	184	4	each	each	DT
39	184	5	node	node	NN
39	184	6	in	in	IN
39	184	7	the	the	DT
39	184	8	network	network	NN
39	184	9	has	have	VBZ
39	184	10	complete	complete	JJ
39	184	11	knowledge	knowledge	NN
39	184	12	of	of	IN
39	184	13	the	the	DT
39	184	14	state	state	NN
39	184	15	of	of	IN
39	184	16	the	the	DT
39	184	17	network	network	NN
39	184	18	(	(	-LRB-
39	184	19	the	the	DT
39	184	20	adult	adult	NN
39	184	21	algorithm	algorithm	NNP
39	184	22	)	)	-RRB-
39	184	23	.	.	.
39	185	1	This	this	DT
39	185	2	implies	imply	VBZ
39	185	3	the	the	DT
39	185	4	nodes	node	NNS
39	185	5	must	must	MD
39	185	6	have	have	VB
39	185	7	larger	large	JJR
39	185	8	amounts	amount	NNS
39	185	9	of	of	IN
39	185	10	local	local	JJ
39	185	11	storage	storage	NN
39	185	12	and	and	CC
39	185	13	enough	enough	JJ
39	185	14	CPU	cpu	NN
39	185	15	to	to	TO
39	185	16	search	search	VB
39	185	17	the	the	DT
39	185	18	large	large	JJ
39	185	19	tables	table	NNS
39	185	20	in	in	IN
39	185	21	a	a	DT
39	185	22	short	short	JJ
39	185	23	enough	enough	JJ
39	185	24	time	time	NN
39	185	25	(	(	-LRB-
39	185	26	remember	remember	VB
39	185	27	this	this	DT
39	185	28	must	must	MD
39	185	29	be	be	VB
39	185	30	done	do	VBN
39	185	31	for	for	IN
39	185	32	each	each	DT
39	185	33	packet	packet	NN
39	185	34	)	)	-RRB-
39	185	35	.	.	.
39	186	1	Also	also	RB
39	186	2	,	,	,
39	186	3	routing	routing	NN
39	186	4	updates	update	NNS
39	186	5	usually	usually	RB
39	186	6	contain	contain	VBP
39	186	7	only	only	RB
39	186	8	changes	change	NNS
39	186	9	to	to	IN
39	186	10	the	the	DT
39	186	11	existing	exist	VBG
39	186	12	information	information	NN
39	186	13	(	(	-LRB-
39	186	14	or	or	CC
39	186	15	you	-PRON-	PRP
39	186	16	spend	spend	VBP
39	186	17	a	a	DT
39	186	18	large	large	JJ
39	186	19	amount	amount	NN
39	186	20	of	of	IN
39	186	21	the	the	DT
39	186	22	network	network	NN
39	186	23	capacity	capacity	NN
39	186	24	passing	pass	VBG
39	186	25	around	around	RP
39	186	26	megabyte	megabyte	NN
39	186	27	routing	routing	NN
39	186	28	updates	update	NNS
39	186	29	)	)	-RRB-
39	186	30	.	.	.
39	187	1	This	this	DT
39	187	2	type	type	NN
39	187	3	of	of	IN
39	187	4	algorithm	algorithm	NNP
39	187	5	has	have	VBZ
39	187	6	several	several	JJ
39	187	7	problems	problem	NNS
39	187	8	.	.	.
39	188	1	Since	since	IN
39	188	2	the	the	DT
39	188	3	only	only	JJ
39	188	4	way	way	NN
39	188	5	the	the	DT
39	188	6	routing	route	VBG
39	188	7	information	information	NN
39	188	8	can	can	MD
39	188	9	be	be	VB
39	188	10	passed	pass	VBN
39	188	11	around	around	RB
39	188	12	is	be	VBZ
39	188	13	across	across	IN
39	188	14	the	the	DT
39	188	15	network	network	NN
39	188	16	and	and	CC
39	188	17	the	the	DT
39	188	18	propagation	propagation	NN
39	188	19	time	time	NN
39	188	20	is	be	VBZ
39	188	21	non	non	JJ
39	188	22	-	-	JJ
39	188	23	trivial	trivial	JJ
39	188	24	,	,	,
39	188	25	the	the	DT
39	188	26	view	view	NN
39	188	27	of	of	IN
39	188	28	the	the	DT
39	188	29	network	network	NN
39	188	30	at	at	IN
39	188	31	each	each	DT
39	188	32	node	node	NN
39	188	33	is	be	VBZ
39	188	34	a	a	DT
39	188	35	correct	correct	JJ
39	188	36	historical	historical	JJ
39	188	37	view	view	NN
39	188	38	of	of	IN
39	188	39	the	the	DT
39	188	40	network	network	NN
39	188	41	at	at	IN
39	188	42	varying	vary	VBG
39	188	43	times	time	NNS
39	188	44	in	in	IN
39	188	45	the	the	DT
39	188	46	past	past	NN
39	188	47	.	.	.
39	189	1	(	(	-LRB-
39	189	2	The	the	DT
39	189	3	adult	adult	NN
39	189	4	algorithm	algorithm	NN
39	189	5	,	,	,
39	189	6	but	but	CC
39	189	7	rather	rather	RB
39	189	8	than	than	IN
39	189	9	looking	look	VBG
39	189	10	directly	directly	RB
39	189	11	at	at	IN
39	189	12	the	the	DT
39	189	13	dining	dining	NN
39	189	14	area	area	NN
39	189	15	,	,	,
39	189	16	looking	look	VBG
39	189	17	at	at	IN
39	189	18	a	a	DT
39	189	19	photograph	photograph	NN
39	189	20	of	of	IN
39	189	21	the	the	DT
39	189	22	dining	dining	NN
39	189	23	room	room	NN
39	189	24	.	.	.
39	190	1	One	one	CD
39	190	2	is	be	VBZ
39	190	3	likely	likely	JJ
39	190	4	to	to	TO
39	190	5	pick	pick	VB
39	190	6	the	the	DT
39	190	7	optimal	optimal	JJ
39	190	8	route	route	NN
39	190	9	and	and	CC
39	190	10	find	find	VB
39	190	11	a	a	DT
39	190	12	bus	bus	NN
39	190	13	-	-	HYPH
39	190	14	cart	cart	NN
39	190	15	has	have	VBZ
39	190	16	moved	move	VBN
39	190	17	in	in	RB
39	190	18	to	to	TO
39	190	19	block	block	VB
39	190	20	the	the	DT
39	190	21	path	path	NN
39	190	22	after	after	IN
39	190	23	the	the	DT
39	190	24	photo	photo	NN
39	190	25	was	be	VBD
39	190	26	taken	take	VBN
39	190	27	)	)	-RRB-
39	190	28	.	.	.
39	191	1	These	these	DT
39	191	2	inconsistencies	inconsistency	NNS
39	191	3	can	can	MD
39	191	4	cause	cause	VB
39	191	5	circular	circular	JJ
39	191	6	routes	route	NNS
39	191	7	(	(	-LRB-
39	191	8	called	call	VBN
39	191	9	routing	route	VBG
39	191	10	loops	loop	NNS
39	191	11	)	)	-RRB-
39	191	12	where	where	WRB
39	191	13	once	once	IN
39	191	14	a	a	DT
39	191	15	packet	packet	NN
39	191	16	enters	enter	VBZ
39	191	17	it	-PRON-	PRP
39	191	18	is	be	VBZ
39	191	19	routed	route	VBN
39	191	20	in	in	IN
39	191	21	a	a	DT
39	191	22	closed	closed	JJ
39	191	23	path	path	NN
39	191	24	until	until	IN
39	191	25	its	-PRON-	PRP$
39	191	26	time	time	NN
39	191	27	to	to	TO
39	191	28	live	live	VB
39	191	29	(	(	-LRB-
39	191	30	TTL	TTL	NNP
39	191	31	)	)	-RRB-
39	191	32	field	field	NN
39	191	33	expires	expire	VBZ
39	191	34	and	and	CC
39	191	35	it	-PRON-	PRP
39	191	36	is	be	VBZ
39	191	37	discarded	discard	VBN
39	191	38	.	.	.
39	192	1	Other	other	JJ
39	192	2	algorithms	algorithm	NNS
39	192	3	may	may	MD
39	192	4	know	know	VB
39	192	5	about	about	IN
39	192	6	only	only	RB
39	192	7	a	a	DT
39	192	8	subset	subset	NN
39	192	9	of	of	IN
39	192	10	the	the	DT
39	192	11	network	network	NN
39	192	12	.	.	.
39	193	1	To	to	TO
39	193	2	prevent	prevent	VB
39	193	3	loops	loop	NNS
39	193	4	in	in	IN
39	193	5	these	these	DT
39	193	6	protocols	protocol	NNS
39	193	7	,	,	,
39	193	8	they	-PRON-	PRP
39	193	9	are	be	VBP
39	193	10	usually	usually	RB
39	193	11	used	use	VBN
39	193	12	in	in	IN
39	193	13	a	a	DT
39	193	14	hierarchical	hierarchical	JJ
39	193	15	network	network	NN
39	193	16	.	.	.
39	194	1	They	-PRON-	PRP
39	194	2	know	know	VBP
39	194	3	completely	completely	RB
39	194	4	about	about	IN
39	194	5	their	-PRON-	PRP$
39	194	6	own	own	JJ
39	194	7	area	area	NN
39	194	8	,	,	,
39	194	9	but	but	CC
39	194	10	to	to	TO
39	194	11	leave	leave	VB
39	194	12	that	that	DT
39	194	13	area	area	NN
39	194	14	they	-PRON-	PRP
39	194	15	go	go	VBP
39	194	16	to	to	IN
39	194	17	one	one	CD
39	194	18	particular	particular	JJ
39	194	19	place	place	NN
39	194	20	(	(	-LRB-
39	194	21	the	the	DT
39	194	22	default	default	NN
39	194	23	gateway	gateway	NN
39	194	24	)	)	-RRB-
39	194	25	.	.	.
39	195	1	Typically	typically	RB
39	195	2	these	these	DT
39	195	3	are	be	VBP
39	195	4	used	use	VBN
39	195	5	in	in	IN
39	195	6	smaller	small	JJR
39	195	7	networks	network	NNS
39	195	8	(	(	-LRB-
39	195	9	campus	campus	NN
39	195	10	,	,	,
39	195	11	regional	regional	JJ
39	195	12	...	...	NFP
39	195	13	)	)	-RRB-
39	195	14	.	.	.
39	196	1	-10-	-10-	:
39	196	2	Routing	route	VBG
39	196	3	protocols	protocol	NNS
39	196	4	in	in	IN
39	196	5	current	current	JJ
39	196	6	use	use	NN
39	196	7	:	:	:
39	196	8	Static	static	JJ
39	196	9	(	(	-LRB-
39	196	10	no	no	DT
39	196	11	protocol	protocol	NN
39	196	12	-	-	HYPH
39	196	13	table	table	NN
39	196	14	/	/	SYM
39	196	15	default	default	NN
39	196	16	routing	routing	NN
39	196	17	)	)	-RRB-
39	196	18	Do	do	VB
39	196	19	n't	not	RB
39	196	20	laugh	laugh	VB
39	196	21	.	.	.
39	197	1	It	-PRON-	PRP
39	197	2	is	be	VBZ
39	197	3	probably	probably	RB
39	197	4	the	the	DT
39	197	5	most	most	RBS
39	197	6	reliable	reliable	JJ
39	197	7	,	,	,
39	197	8	easiest	easy	JJS
39	197	9	to	to	TO
39	197	10	implement	implement	VB
39	197	11	,	,	,
39	197	12	and	and	CC
39	197	13	least	least	RBS
39	197	14	likely	likely	JJ
39	197	15	to	to	TO
39	197	16	get	get	VB
39	197	17	one	one	CD
39	197	18	into	into	IN
39	197	19	trouble	trouble	NN
39	197	20	for	for	IN
39	197	21	a	a	DT
39	197	22	small	small	JJ
39	197	23	network	network	NN
39	197	24	or	or	CC
39	197	25	a	a	DT
39	197	26	leaf	leaf	NN
39	197	27	on	on	IN
39	197	28	the	the	DT
39	197	29	Internet	internet	NN
39	197	30	.	.	.
39	198	1	This	this	DT
39	198	2	is	be	VBZ
39	198	3	,	,	,
39	198	4	also	also	RB
39	198	5	,	,	,
39	198	6	the	the	DT
39	198	7	only	only	JJ
39	198	8	method	method	NN
39	198	9	available	available	JJ
39	198	10	on	on	IN
39	198	11	some	some	DT
39	198	12	CPU	cpu	NN
39	198	13	-	-	HYPH
39	198	14	operating	operate	VBG
39	198	15	system	system	NN
39	198	16	combinations	combination	NNS
39	198	17	.	.	.
39	199	1	If	if	IN
39	199	2	a	a	DT
39	199	3	host	host	NN
39	199	4	is	be	VBZ
39	199	5	connected	connect	VBN
39	199	6	to	to	IN
39	199	7	an	an	DT
39	199	8	Ethernet	Ethernet	NNP
39	199	9	which	which	WDT
39	199	10	has	have	VBZ
39	199	11	only	only	RB
39	199	12	one	one	CD
39	199	13	gateway	gateway	NN
39	199	14	off	off	IN
39	199	15	of	of	IN
39	199	16	it	-PRON-	PRP
39	199	17	,	,	,
39	199	18	one	one	PRP
39	199	19	should	should	MD
39	199	20	make	make	VB
39	199	21	that	that	IN
39	199	22	the	the	DT
39	199	23	default	default	NN
39	199	24	gateway	gateway	NN
39	199	25	for	for	IN
39	199	26	the	the	DT
39	199	27	host	host	NN
39	199	28	and	and	CC
39	199	29	do	do	VBP
39	199	30	no	no	DT
39	199	31	other	other	JJ
39	199	32	routing	routing	NN
39	199	33	.	.	.
39	200	1	(	(	-LRB-
39	200	2	Of	of	RB
39	200	3	course	course	RB
39	200	4	that	that	DT
39	200	5	gateway	gateway	NN
39	200	6	may	may	MD
39	200	7	pass	pass	VB
39	200	8	the	the	DT
39	200	9	reachablity	reachablity	NN
39	200	10	information	information	NN
39	200	11	somehow	somehow	RB
39	200	12	on	on	IN
39	200	13	the	the	DT
39	200	14	other	other	JJ
39	200	15	side	side	NN
39	200	16	of	of	IN
39	200	17	itself	-PRON-	PRP
39	200	18	)	)	-RRB-
39	200	19	.	.	.
39	201	1	One	one	CD
39	201	2	word	word	NN
39	201	3	of	of	IN
39	201	4	warning	warning	NN
39	201	5	,	,	,
39	201	6	it	-PRON-	PRP
39	201	7	is	be	VBZ
39	201	8	only	only	RB
39	201	9	with	with	IN
39	201	10	extreme	extreme	JJ
39	201	11	caution	caution	NN
39	201	12	that	that	IN
39	201	13	one	one	PRP
39	201	14	should	should	MD
39	201	15	use	use	VB
39	201	16	static	static	JJ
39	201	17	routes	route	NNS
39	201	18	in	in	IN
39	201	19	the	the	DT
39	201	20	middle	middle	NN
39	201	21	of	of	IN
39	201	22	a	a	DT
39	201	23	network	network	NN
39	201	24	which	which	WDT
39	201	25	is	be	VBZ
39	201	26	also	also	RB
39	201	27	using	use	VBG
39	201	28	dynamic	dynamic	JJ
39	201	29	routing	routing	NN
39	201	30	.	.	.
39	202	1	The	the	DT
39	202	2	routers	router	NNS
39	202	3	passing	pass	VBG
39	202	4	dynamic	dynamic	JJ
39	202	5	information	information	NN
39	202	6	are	be	VBP
39	202	7	sometimes	sometimes	RB
39	202	8	confused	confuse	VBN
39	202	9	by	by	IN
39	202	10	conflicting	conflict	VBG
39	202	11	dynamic	dynamic	JJ
39	202	12	and	and	CC
39	202	13	static	static	JJ
39	202	14	routes	route	NNS
39	202	15	.	.	.
39	203	1	If	if	IN
39	203	2	your	-PRON-	PRP$
39	203	3	host	host	NN
39	203	4	is	be	VBZ
39	203	5	on	on	IN
39	203	6	an	an	DT
39	203	7	ethernet	ethernet	NN
39	203	8	with	with	IN
39	203	9	multiple	multiple	JJ
39	203	10	routers	router	NNS
39	203	11	to	to	IN
39	203	12	other	other	JJ
39	203	13	networks	network	NNS
39	203	14	on	on	IN
39	203	15	it	-PRON-	PRP
39	203	16	and	and	CC
39	203	17	the	the	DT
39	203	18	routers	router	NNS
39	203	19	are	be	VBP
39	203	20	doing	do	VBG
39	203	21	dynamic	dynamic	JJ
39	203	22	routing	routing	NN
39	203	23	among	among	IN
39	203	24	themselves	-PRON-	PRP
39	203	25	,	,	,
39	203	26	it	-PRON-	PRP
39	203	27	is	be	VBZ
39	203	28	usually	usually	RB
39	203	29	better	well	JJR
39	203	30	to	to	TO
39	203	31	take	take	VB
39	203	32	part	part	NN
39	203	33	in	in	IN
39	203	34	the	the	DT
39	203	35	dynamic	dynamic	JJ
39	203	36	routing	routing	NN
39	203	37	than	than	IN
39	203	38	to	to	TO
39	203	39	use	use	VB
39	203	40	static	static	JJ
39	203	41	routes	route	NNS
39	203	42	.	.	.
39	204	1	RIP	RIP	NNP
39	204	2	RIP	RIP	NNP
39	204	3	is	be	VBZ
39	204	4	a	a	DT
39	204	5	routing	route	VBG
39	204	6	protocol	protocol	NN
39	204	7	based	base	VBN
39	204	8	on	on	IN
39	204	9	XNS	XNS	NNP
39	204	10	(	(	-LRB-
39	204	11	Xerox	Xerox	NNP
39	204	12	Network	Network	NNP
39	204	13	System	System	NNP
39	204	14	)	)	-RRB-
39	204	15	adapted	adapt	VBD
39	204	16	for	for	IN
39	204	17	IP	IP	NNP
39	204	18	networks	network	NNS
39	204	19	.	.	.
39	205	1	It	-PRON-	PRP
39	205	2	is	be	VBZ
39	205	3	used	use	VBN
39	205	4	by	by	IN
39	205	5	many	many	JJ
39	205	6	routers	router	NNS
39	205	7	(	(	-LRB-
39	205	8	Proteon	Proteon	NNP
39	205	9	,	,	,
39	205	10	cisco	cisco	NN
39	205	11	,	,	,
39	205	12	UB	UB	NNP
39	205	13	...	...	:
39	205	14	)	)	-RRB-
39	205	15	and	and	CC
39	205	16	many	many	JJ
39	205	17	BSD	BSD	NNP
39	205	18	Unix	Unix	NNP
39	205	19	systems	system	NNS
39	205	20	BSD	BSD	NNP
39	205	21	systems	system	NNS
39	205	22	typically	typically	RB
39	205	23	run	run	VBP
39	205	24	a	a	DT
39	205	25	program	program	NN
39	205	26	called	call	VBN
39	205	27	"	"	``
39	205	28	routed	route	VBN
39	205	29	"	"	''
39	205	30	to	to	TO
39	205	31	exchange	exchange	VB
39	205	32	information	information	NN
39	205	33	with	with	IN
39	205	34	other	other	JJ
39	205	35	systems	system	NNS
39	205	36	running	run	VBG
39	205	37	RIP	RIP	NNP
39	205	38	.	.	.
39	206	1	RIP	RIP	NNP
39	206	2	works	work	VBZ
39	206	3	best	best	RB
39	206	4	for	for	IN
39	206	5	nets	net	NNS
39	206	6	of	of	IN
39	206	7	small	small	JJ
39	206	8	diameter	diameter	NN
39	206	9	where	where	WRB
39	206	10	the	the	DT
39	206	11	links	link	NNS
39	206	12	are	be	VBP
39	206	13	of	of	IN
39	206	14	equal	equal	JJ
39	206	15	speed	speed	NN
39	206	16	.	.	.
39	207	1	The	the	DT
39	207	2	reason	reason	NN
39	207	3	for	for	IN
39	207	4	this	this	DT
39	207	5	is	be	VBZ
39	207	6	that	that	IN
39	207	7	the	the	DT
39	207	8	metric	metric	NN
39	207	9	used	use	VBN
39	207	10	to	to	TO
39	207	11	determine	determine	VB
39	207	12	which	which	WDT
39	207	13	path	path	NN
39	207	14	is	be	VBZ
39	207	15	best	good	JJS
39	207	16	is	be	VBZ
39	207	17	the	the	DT
39	207	18	hop	hop	NN
39	207	19	-	-	HYPH
39	207	20	count	count	NN
39	207	21	.	.	.
39	208	1	A	a	DT
39	208	2	hop	hop	NN
39	208	3	is	be	VBZ
39	208	4	a	a	DT
39	208	5	traversal	traversal	NN
39	208	6	across	across	IN
39	208	7	a	a	DT
39	208	8	gateway	gateway	NN
39	208	9	.	.	.
39	209	1	So	so	RB
39	209	2	,	,	,
39	209	3	all	all	DT
39	209	4	machines	machine	NNS
39	209	5	on	on	IN
39	209	6	the	the	DT
39	209	7	same	same	JJ
39	209	8	Ethernet	Ethernet	NNP
39	209	9	are	be	VBP
39	209	10	zero	zero	CD
39	209	11	hops	hop	VBZ
39	209	12	away	away	RB
39	209	13	.	.	.
39	210	1	If	if	IN
39	210	2	a	a	DT
39	210	3	router	router	NN
39	210	4	connects	connect	VBZ
39	210	5	connects	connect	VBZ
39	210	6	two	two	CD
39	210	7	net-	net-	JJ
39	210	8	works	work	NNS
39	210	9	directly	directly	RB
39	210	10	,	,	,
39	210	11	a	a	DT
39	210	12	machine	machine	NN
39	210	13	on	on	IN
39	210	14	the	the	DT
39	210	15	other	other	JJ
39	210	16	side	side	NN
39	210	17	of	of	IN
39	210	18	the	the	DT
39	210	19	router	router	NN
39	210	20	is	be	VBZ
39	210	21	one	one	CD
39	210	22	hop	hop	NN
39	210	23	away	away	RB
39	210	24	....	....	.
39	210	25	As	as	IN
39	210	26	the	the	DT
39	210	27	routing	route	VBG
39	210	28	information	information	NN
39	210	29	is	be	VBZ
39	210	30	passed	pass	VBN
39	210	31	through	through	IN
39	210	32	a	a	DT
39	210	33	gateway	gateway	NN
39	210	34	,	,	,
39	210	35	the	the	DT
39	210	36	gateway	gateway	NN
39	210	37	adds	add	VBZ
39	210	38	one	one	CD
39	210	39	to	to	IN
39	210	40	the	the	DT
39	210	41	hop	hop	NN
39	210	42	counts	count	NNS
39	210	43	to	to	TO
39	210	44	keep	keep	VB
39	210	45	them	-PRON-	PRP
39	210	46	consistent	consistent	JJ
39	210	47	across	across	IN
39	210	48	the	the	DT
39	210	49	net-	net-	NN
39	210	50	work	work	NN
39	210	51	.	.	.
39	211	1	The	the	DT
39	211	2	diameter	diameter	NN
39	211	3	of	of	IN
39	211	4	a	a	DT
39	211	5	network	network	NN
39	211	6	is	be	VBZ
39	211	7	defined	define	VBN
39	211	8	as	as	IN
39	211	9	the	the	DT
39	211	10	largest	large	JJS
39	211	11	hop	hop	NN
39	211	12	-	-	HYPH
39	211	13	count	count	NN
39	211	14	possible	possible	JJ
39	211	15	within	within	IN
39	211	16	a	a	DT
39	211	17	network	network	NN
39	211	18	.	.	.
39	212	1	Unfor-	Unfor-	NNP
39	212	2	tunately	tunately	RB
39	212	3	,	,	,
39	212	4	a	a	DT
39	212	5	hop	hop	NN
39	212	6	count	count	NN
39	212	7	of	of	IN
39	212	8	16	16	CD
39	212	9	is	be	VBZ
39	212	10	defined	define	VBN
39	212	11	as	as	IN
39	212	12	infinity	infinity	NN
39	212	13	in	in	IN
39	212	14	RIP	RIP	NNP
39	212	15	meaning	mean	VBG
39	212	16	the	the	DT
39	212	17	link	link	NN
39	212	18	is	be	VBZ
39	212	19	down	down	RB
39	212	20	.	.	.
39	213	1	Therefore	therefore	RB
39	213	2	,	,	,
39	213	3	RIP	RIP	NNP
39	213	4	will	will	MD
39	213	5	not	not	RB
39	213	6	allow	allow	VB
39	213	7	hosts	host	NNS
39	213	8	separated	separate	VBN
39	213	9	by	by	IN
39	213	10	more	more	JJR
39	213	11	than	than	IN
39	213	12	15	15	CD
39	213	13	gateways	gateway	NNS
39	213	14	in	in	IN
39	213	15	the	the	DT
39	213	16	RIP	RIP	NNP
39	213	17	space	space	NN
39	213	18	to	to	TO
39	213	19	communicate	communicate	VB
39	213	20	.	.	.
39	214	1	The	the	DT
39	214	2	other	other	JJ
39	214	3	problem	problem	NN
39	214	4	with	with	IN
39	214	5	hop	hop	NN
39	214	6	-	-	HYPH
39	214	7	count	count	JJ
39	214	8	metrics	metric	NNS
39	214	9	is	be	VBZ
39	214	10	that	that	IN
39	214	11	if	if	IN
39	214	12	links	link	NNS
39	214	13	have	have	VBP
39	214	14	different	different	JJ
39	214	15	speeds	speed	NNS
39	214	16	,	,	,
39	214	17	that	that	DT
39	214	18	difference	difference	NN
39	214	19	is	be	VBZ
39	214	20	not	not	RB
39	214	21	-11-	-11-	:
39	214	22	reflected	reflect	VBN
39	214	23	in	in	IN
39	214	24	the	the	DT
39	214	25	hop	hop	NN
39	214	26	-	-	HYPH
39	214	27	count	count	NN
39	214	28	.	.	.
39	215	1	So	so	RB
39	215	2	a	a	DT
39	215	3	one	one	CD
39	215	4	hop	hop	NN
39	215	5	satellite	satellite	NN
39	215	6	link	link	NN
39	215	7	(	(	-LRB-
39	215	8	with	with	IN
39	215	9	a	a	DT
39	215	10	.5	.5	NN
39	215	11	sec	sec	NNP
39	215	12	delay	delay	NNP
39	215	13	)	)	-RRB-
39	215	14	at	at	IN
39	215	15	56	56	CD
39	215	16	kb	kb	PRP
39	215	17	would	would	MD
39	215	18	be	be	VB
39	215	19	used	use	VBN
39	215	20	instead	instead	RB
39	215	21	of	of	IN
39	215	22	a	a	DT
39	215	23	two	two	CD
39	215	24	hop	hop	NN
39	215	25	T1	t1	NN
39	215	26	connection	connection	NN
39	215	27	.	.	.
39	216	1	Congestion	congestion	NN
39	216	2	can	can	MD
39	216	3	be	be	VB
39	216	4	viewed	view	VBN
39	216	5	as	as	IN
39	216	6	a	a	DT
39	216	7	decrease	decrease	NN
39	216	8	in	in	IN
39	216	9	the	the	DT
39	216	10	efficacy	efficacy	NN
39	216	11	of	of	IN
39	216	12	a	a	DT
39	216	13	link	link	NN
39	216	14	.	.	.
39	217	1	So	so	RB
39	217	2	,	,	,
39	217	3	as	as	IN
39	217	4	a	a	DT
39	217	5	link	link	NN
39	217	6	gets	get	VBZ
39	217	7	more	more	RBR
39	217	8	congested	congested	JJ
39	217	9	,	,	,
39	217	10	RIP	RIP	NNP
39	217	11	will	will	MD
39	217	12	still	still	RB
39	217	13	know	know	VB
39	217	14	it	-PRON-	PRP
39	217	15	is	be	VBZ
39	217	16	the	the	DT
39	217	17	best	good	JJS
39	217	18	hop	hop	NN
39	217	19	-	-	HYPH
39	217	20	count	count	JJ
39	217	21	route	route	NN
39	217	22	and	and	CC
39	217	23	congest	congest	VB
39	217	24	it	-PRON-	PRP
39	217	25	even	even	RB
39	217	26	more	more	RBR
39	217	27	by	by	IN
39	217	28	throwing	throw	VBG
39	217	29	more	more	JJR
39	217	30	packets	packet	NNS
39	217	31	on	on	IN
39	217	32	the	the	DT
39	217	33	queue	queue	NN
39	217	34	for	for	IN
39	217	35	that	that	DT
39	217	36	link	link	NN
39	217	37	.	.	.
39	218	1	The	the	DT
39	218	2	protocol	protocol	NN
39	218	3	is	be	VBZ
39	218	4	not	not	RB
39	218	5	well	well	RB
39	218	6	documented	document	VBN
39	218	7	.	.	.
39	219	1	A	a	DT
39	219	2	group	group	NN
39	219	3	of	of	IN
39	219	4	people	people	NNS
39	219	5	are	be	VBP
39	219	6	working	work	VBG
39	219	7	on	on	IN
39	219	8	producing	produce	VBG
39	219	9	an	an	DT
39	219	10	RFC	RFC	NNP
39	219	11	to	to	TO
39	219	12	both	both	DT
39	219	13	define	define	VB
39	219	14	the	the	DT
39	219	15	current	current	JJ
39	219	16	RIP	RIP	NNP
39	219	17	and	and	CC
39	219	18	to	to	TO
39	219	19	do	do	VB
39	219	20	some	some	DT
39	219	21	extensions	extension	NNS
39	219	22	to	to	IN
39	219	23	it	-PRON-	PRP
39	219	24	to	to	TO
39	219	25	allow	allow	VB
39	219	26	it	-PRON-	PRP
39	219	27	to	to	TO
39	219	28	better	well	RBR
39	219	29	cope	cope	VB
39	219	30	with	with	IN
39	219	31	larger	large	JJR
39	219	32	networks	network	NNS
39	219	33	.	.	.
39	220	1	Currently	currently	RB
39	220	2	,	,	,
39	220	3	the	the	DT
39	220	4	best	good	JJS
39	220	5	documentation	documentation	NN
39	220	6	for	for	IN
39	220	7	RIP	RIP	NNP
39	220	8	appears	appear	VBZ
39	220	9	to	to	TO
39	220	10	be	be	VB
39	220	11	the	the	DT
39	220	12	code	code	NN
39	220	13	to	to	IN
39	220	14	BSD	BSD	NNP
39	220	15	"	"	``
39	220	16	routed	routed	JJ
39	220	17	"	"	''
39	220	18	.	.	.
39	221	1	Routed	Routed	NNP
39	221	2	The	the	DT
39	221	3	ROUTED	ROUTED	NNP
39	221	4	program	program	NN
39	221	5	,	,	,
39	221	6	which	which	WDT
39	221	7	does	do	VBZ
39	221	8	RIP	RIP	NNP
39	221	9	for	for	IN
39	221	10	4.2BSD	4.2bsd	CD
39	221	11	systems	system	NNS
39	221	12	,	,	,
39	221	13	has	have	VBZ
39	221	14	many	many	JJ
39	221	15	options	option	NNS
39	221	16	.	.	.
39	222	1	One	one	CD
39	222	2	of	of	IN
39	222	3	the	the	DT
39	222	4	most	most	RBS
39	222	5	frequently	frequently	RB
39	222	6	used	use	VBN
39	222	7	is	be	VBZ
39	222	8	:	:	:
39	222	9	"	"	``
39	222	10	routed	route	VBN
39	222	11	-q	-q	:
39	222	12	"	"	''
39	222	13	(	(	-LRB-
39	222	14	quiet	quiet	JJ
39	222	15	mode	mode	NN
39	222	16	)	)	-RRB-
39	222	17	which	which	WDT
39	222	18	means	mean	VBZ
39	222	19	listen	listen	VB
39	222	20	to	to	IN
39	222	21	RIP	RIP	NNP
39	222	22	infor-	infor-	JJ
39	222	23	mation	mation	NN
39	222	24	but	but	CC
39	222	25	never	never	RB
39	222	26	broadcast	broadcast	VBD
39	222	27	it	-PRON-	PRP
39	222	28	.	.	.
39	223	1	This	this	DT
39	223	2	would	would	MD
39	223	3	be	be	VB
39	223	4	used	use	VBN
39	223	5	by	by	IN
39	223	6	a	a	DT
39	223	7	machine	machine	NN
39	223	8	on	on	IN
39	223	9	a	a	DT
39	223	10	network	network	NN
39	223	11	with	with	IN
39	223	12	multiple	multiple	JJ
39	223	13	RIP	RIP	NNP
39	223	14	speaking	speak	VBG
39	223	15	gate-	gate-	NN
39	223	16	ways	way	NNS
39	223	17	.	.	.
39	224	1	It	-PRON-	PRP
39	224	2	allows	allow	VBZ
39	224	3	the	the	DT
39	224	4	host	host	NN
39	224	5	to	to	TO
39	224	6	determine	determine	VB
39	224	7	which	which	WDT
39	224	8	gateway	gateway	NN
39	224	9	is	be	VBZ
39	224	10	best	good	JJS
39	224	11	(	(	-LRB-
39	224	12	hopwise	hopwise	NN
39	224	13	)	)	-RRB-
39	224	14	to	to	TO
39	224	15	use	use	VB
39	224	16	to	to	TO
39	224	17	reach	reach	VB
39	224	18	a	a	DT
39	224	19	distant	distant	JJ
39	224	20	network	network	NN
39	224	21	.	.	.
39	225	1	(	(	-LRB-
39	225	2	Of	of	RB
39	225	3	course	course	RB
39	225	4	you	-PRON-	PRP
39	225	5	might	may	MD
39	225	6	want	want	VB
39	225	7	to	to	TO
39	225	8	have	have	VB
39	225	9	a	a	DT
39	225	10	default	default	NN
39	225	11	gateway	gateway	NN
39	225	12	to	to	TO
39	225	13	prevent	prevent	VB
39	225	14	having	have	VBG
39	225	15	to	to	TO
39	225	16	pass	pass	VB
39	225	17	all	all	PDT
39	225	18	the	the	DT
39	225	19	addresses	address	NNS
39	225	20	known	know	VBN
39	225	21	to	to	IN
39	225	22	the	the	DT
39	225	23	Internet	internet	NN
39	225	24	around	around	RB
39	225	25	with	with	IN
39	225	26	RIP	RIP	NNP
39	225	27	)	)	-RRB-
39	225	28	.	.	.
39	226	1	There	there	EX
39	226	2	are	be	VBP
39	226	3	two	two	CD
39	226	4	ways	way	NNS
39	226	5	to	to	TO
39	226	6	insert	insert	VB
39	226	7	static	static	JJ
39	226	8	routes	route	NNS
39	226	9	into	into	IN
39	226	10	"	"	``
39	226	11	routed	route	VBN
39	226	12	"	"	''
39	226	13	,	,	,
39	226	14	the	the	DT
39	226	15	"	"	``
39	226	16	/etc	/etc	NNP
39	226	17	/	/	SYM
39	226	18	gateways	gateway	NNS
39	226	19	"	"	``
39	226	20	file	file	NN
39	226	21	and	and	CC
39	226	22	the	the	DT
39	226	23	"	"	``
39	226	24	route	route	NN
39	226	25	add	add	NNP
39	226	26	"	"	''
39	226	27	command	command	NN
39	226	28	.	.	.
39	227	1	Static	static	JJ
39	227	2	routes	route	NNS
39	227	3	are	be	VBP
39	227	4	useful	useful	JJ
39	227	5	if	if	IN
39	227	6	you	-PRON-	PRP
39	227	7	know	know	VBP
39	227	8	how	how	WRB
39	227	9	to	to	TO
39	227	10	reach	reach	VB
39	227	11	a	a	DT
39	227	12	distant	distant	JJ
39	227	13	network	network	NN
39	227	14	,	,	,
39	227	15	but	but	CC
39	227	16	you	-PRON-	PRP
39	227	17	are	be	VBP
39	227	18	not	not	RB
39	227	19	receiving	receive	VBG
39	227	20	that	that	DT
39	227	21	route	route	NN
39	227	22	using	use	VBG
39	227	23	RIP	RIP	NNP
39	227	24	.	.	.
39	228	1	For	for	IN
39	228	2	the	the	DT
39	228	3	most	most	JJS
39	228	4	part	part	NN
39	228	5	the	the	DT
39	228	6	"	"	``
39	228	7	route	route	NN
39	228	8	add	add	NNP
39	228	9	"	"	''
39	228	10	command	command	NN
39	228	11	is	be	VBZ
39	228	12	preferable	preferable	JJ
39	228	13	to	to	TO
39	228	14	use	use	VB
39	228	15	.	.	.
39	229	1	The	the	DT
39	229	2	reason	reason	NN
39	229	3	for	for	IN
39	229	4	this	this	DT
39	229	5	is	be	VBZ
39	229	6	that	that	IN
39	229	7	the	the	DT
39	229	8	command	command	NN
39	229	9	adds	add	VBZ
39	229	10	the	the	DT
39	229	11	route	route	NN
39	229	12	to	to	IN
39	229	13	that	that	DT
39	229	14	machine	machine	NN
39	229	15	's	's	POS
39	229	16	routing	routing	NN
39	229	17	table	table	NN
39	229	18	but	but	CC
39	229	19	does	do	VBZ
39	229	20	not	not	RB
39	229	21	export	export	VB
39	229	22	it	-PRON-	PRP
39	229	23	through	through	IN
39	229	24	RIP	RIP	NNP
39	229	25	.	.	.
39	230	1	The	the	DT
39	230	2	"	"	``
39	230	3	/etc	/etc	NNP
39	230	4	/	/	SYM
39	230	5	gateways	gateway	NNS
39	230	6	"	"	``
39	230	7	file	file	NN
39	230	8	takes	take	VBZ
39	230	9	precedence	precedence	NN
39	230	10	over	over	IN
39	230	11	any	any	DT
39	230	12	routing	route	VBG
39	230	13	information	information	NN
39	230	14	received	receive	VBD
39	230	15	through	through	IN
39	230	16	a	a	DT
39	230	17	RIP	RIP	NNP
39	230	18	update	update	NN
39	230	19	.	.	.
39	231	1	It	-PRON-	PRP
39	231	2	is	be	VBZ
39	231	3	also	also	RB
39	231	4	broadcast	broadcast	VBN
39	231	5	as	as	IN
39	231	6	fact	fact	NN
39	231	7	in	in	IN
39	231	8	RIP	RIP	NNP
39	231	9	updates	update	NNS
39	231	10	produced	produce	VBN
39	231	11	by	by	IN
39	231	12	the	the	DT
39	231	13	host	host	NN
39	231	14	without	without	IN
39	231	15	question	question	NN
39	231	16	,	,	,
39	231	17	so	so	CC
39	231	18	if	if	IN
39	231	19	a	a	DT
39	231	20	mistake	mistake	NN
39	231	21	is	be	VBZ
39	231	22	made	make	VBN
39	231	23	in	in	IN
39	231	24	the	the	DT
39	231	25	"	"	``
39	231	26	/etc	/etc	NNP
39	231	27	/	/	SYM
39	231	28	gateways	gateway	NNS
39	231	29	"	"	``
39	231	30	file	file	NN
39	231	31	,	,	,
39	231	32	that	that	IN
39	231	33	mistake	mistake	NN
39	231	34	will	will	MD
39	231	35	soon	soon	RB
39	231	36	permeate	permeate	VB
39	231	37	the	the	DT
39	231	38	RIP	RIP	NNP
39	231	39	space	space	NN
39	231	40	and	and	CC
39	231	41	may	may	MD
39	231	42	bring	bring	VB
39	231	43	the	the	DT
39	231	44	network	network	NN
39	231	45	to	to	IN
39	231	46	its	-PRON-	PRP$
39	231	47	knees	knee	NNS
39	231	48	.	.	.
39	232	1	One	one	CD
39	232	2	of	of	IN
39	232	3	the	the	DT
39	232	4	problems	problem	NNS
39	232	5	with	with	IN
39	232	6	"	"	``
39	232	7	routed	routed	JJ
39	232	8	"	"	''
39	232	9	is	be	VBZ
39	232	10	that	that	IN
39	232	11	you	-PRON-	PRP
39	232	12	have	have	VBP
39	232	13	very	very	RB
39	232	14	little	little	JJ
39	232	15	control	control	NN
39	232	16	over	over	IN
39	232	17	what	what	WP
39	232	18	gets	get	VBZ
39	232	19	broadcast	broadcast	VBN
39	232	20	and	and	CC
39	232	21	what	what	WP
39	232	22	does	do	VBZ
39	232	23	n't	not	RB
39	232	24	.	.	.
39	233	1	Many	many	JJ
39	233	2	times	time	NNS
39	233	3	in	in	IN
39	233	4	larger	large	JJR
39	233	5	networks	network	NNS
39	233	6	where	where	WRB
39	233	7	various	various	JJ
39	233	8	parts	part	NNS
39	233	9	of	of	IN
39	233	10	the	the	DT
39	233	11	network	network	NN
39	233	12	are	be	VBP
39	233	13	under	under	IN
39	233	14	different	different	JJ
39	233	15	administrative	administrative	JJ
39	233	16	controls	control	NNS
39	233	17	,	,	,
39	233	18	you	-PRON-	PRP
39	233	19	would	would	MD
39	233	20	like	like	VB
39	233	21	to	to	TO
39	233	22	pass	pass	VB
39	233	23	on	on	RP
39	233	24	through	through	IN
39	233	25	RIP	RIP	NNP
39	233	26	only	only	RB
39	233	27	nets	net	VBZ
39	233	28	which	which	WDT
39	233	29	you	-PRON-	PRP
39	233	30	receive	receive	VBP
39	233	31	from	from	IN
39	233	32	RIP	RIP	NNP
39	233	33	and	and	CC
39	233	34	you	-PRON-	PRP
39	233	35	know	know	VBP
39	233	36	are	be	VBP
39	233	37	reasonable	reasonable	JJ
39	233	38	.	.	.
39	234	1	This	this	DT
39	234	2	prevents	prevent	VBZ
39	234	3	people	people	NNS
39	234	4	from	from	IN
39	234	5	adding	add	VBG
39	234	6	IP	IP	NNP
39	234	7	addresses	address	NNS
39	234	8	to	to	IN
39	234	9	the	the	DT
39	234	10	network	network	NN
39	234	11	which	which	WDT
39	234	12	may	may	MD
39	234	13	be	be	VB
39	234	14	illegal	illegal	JJ
39	234	15	and	and	CC
39	234	16	you	-PRON-	PRP
39	234	17	being	be	VBG
39	234	18	responsible	responsible	JJ
39	234	19	for	for	IN
39	234	20	passing	pass	VBG
39	234	21	them	-PRON-	PRP
39	234	22	on	on	RP
39	234	23	to	to	IN
39	234	24	the	the	DT
39	234	25	Internet	internet	NN
39	234	26	.	.	.
39	235	1	This	this	DT
39	235	2	-12-	-12-	:
39	235	3	type	type	NN
39	235	4	of	of	IN
39	235	5	reasonability	reasonability	NN
39	235	6	checks	check	NNS
39	235	7	are	be	VBP
39	235	8	not	not	RB
39	235	9	available	available	JJ
39	235	10	with	with	IN
39	235	11	"	"	``
39	235	12	routed	routed	JJ
39	235	13	"	"	''
39	235	14	and	and	CC
39	235	15	leave	leave	VB
39	235	16	it	-PRON-	PRP
39	235	17	usable	usable	JJ
39	235	18	,	,	,
39	235	19	but	but	CC
39	235	20	inadequate	inadequate	JJ
39	235	21	for	for	IN
39	235	22	large	large	JJ
39	235	23	networks	network	NNS
39	235	24	.	.	.
39	236	1	Hello	hello	UH
39	236	2	(	(	-LRB-
39	236	3	RFC-891	rfc-891	UH
39	236	4	)	)	-RRB-
39	236	5	Hello	hello	UH
39	236	6	is	be	VBZ
39	236	7	a	a	DT
39	236	8	routing	route	VBG
39	236	9	protocol	protocol	NN
39	236	10	which	which	WDT
39	236	11	was	be	VBD
39	236	12	designed	design	VBN
39	236	13	and	and	CC
39	236	14	implemented	implement	VBN
39	236	15	in	in	IN
39	236	16	a	a	DT
39	236	17	experimental	experimental	JJ
39	236	18	software	software	NN
39	236	19	router	router	NN
39	236	20	called	call	VBD
39	236	21	a	a	DT
39	236	22	"	"	``
39	236	23	Fuzzball	Fuzzball	NNP
39	236	24	"	"	''
39	236	25	which	which	WDT
39	236	26	runs	run	VBZ
39	236	27	on	on	IN
39	236	28	a	a	DT
39	236	29	PDP-11	pdp-11	NN
39	236	30	.	.	.
39	237	1	It	-PRON-	PRP
39	237	2	does	do	VBZ
39	237	3	not	not	RB
39	237	4	have	have	VB
39	237	5	wide	wide	JJ
39	237	6	usage	usage	NN
39	237	7	,	,	,
39	237	8	but	but	CC
39	237	9	is	be	VBZ
39	237	10	the	the	DT
39	237	11	routing	route	VBG
39	237	12	protocol	protocol	NN
39	237	13	currently	currently	RB
39	237	14	used	use	VBN
39	237	15	on	on	IN
39	237	16	the	the	DT
39	237	17	NSFnet	NSFnet	NNP
39	237	18	backbone	backbone	NN
39	237	19	.	.	.
39	238	1	The	the	DT
39	238	2	data	datum	NNS
39	238	3	transferred	transfer	VBN
39	238	4	between	between	IN
39	238	5	nodes	node	NNS
39	238	6	is	be	VBZ
39	238	7	similar	similar	JJ
39	238	8	to	to	IN
39	238	9	RIP	RIP	NNP
39	238	10	(	(	-LRB-
39	238	11	a	a	DT
39	238	12	list	list	NN
39	238	13	of	of	IN
39	238	14	networks	network	NNS
39	238	15	and	and	CC
39	238	16	their	-PRON-	PRP$
39	238	17	metrics	metric	NNS
39	238	18	)	)	-RRB-
39	238	19	.	.	.
39	239	1	The	the	DT
39	239	2	metric	metric	JJ
39	239	3	,	,	,
39	239	4	however	however	RB
39	239	5	,	,	,
39	239	6	is	be	VBZ
39	239	7	milliseconds	millisecond	NNS
39	239	8	of	of	IN
39	239	9	delay	delay	NN
39	239	10	.	.	.
39	240	1	This	this	DT
39	240	2	allows	allow	VBZ
39	240	3	Hello	hello	UH
39	240	4	to	to	TO
39	240	5	be	be	VB
39	240	6	used	use	VBN
39	240	7	over	over	IN
39	240	8	nets	net	NNS
39	240	9	of	of	IN
39	240	10	various	various	JJ
39	240	11	link	link	NN
39	240	12	speeds	speed	NNS
39	240	13	and	and	CC
39	240	14	performs	perform	VBZ
39	240	15	better	well	JJR
39	240	16	in	in	IN
39	240	17	congestive	congestive	JJ
39	240	18	situations	situation	NNS
39	240	19	.	.	.
39	241	1	One	one	CD
39	241	2	of	of	IN
39	241	3	the	the	DT
39	241	4	most	most	RBS
39	241	5	interesting	interesting	JJ
39	241	6	side	side	NN
39	241	7	effects	effect	NNS
39	241	8	of	of	IN
39	241	9	Hello	hello	UH
39	241	10	based	base	VBN
39	241	11	networks	network	NNS
39	241	12	is	be	VBZ
39	241	13	their	-PRON-	PRP$
39	241	14	great	great	JJ
39	241	15	timekeeping	timekeeping	NN
39	241	16	ability	ability	NN
39	241	17	.	.	.
39	242	1	If	if	IN
39	242	2	you	-PRON-	PRP
39	242	3	consider	consider	VBP
39	242	4	the	the	DT
39	242	5	problem	problem	NN
39	242	6	of	of	IN
39	242	7	measuring	measure	VBG
39	242	8	delay	delay	NN
39	242	9	on	on	IN
39	242	10	a	a	DT
39	242	11	link	link	NN
39	242	12	for	for	IN
39	242	13	the	the	DT
39	242	14	metric	metric	JJ
39	242	15	,	,	,
39	242	16	you	-PRON-	PRP
39	242	17	find	find	VBP
39	242	18	that	that	IN
39	242	19	it	-PRON-	PRP
39	242	20	is	be	VBZ
39	242	21	not	not	RB
39	242	22	an	an	DT
39	242	23	easy	easy	JJ
39	242	24	thing	thing	NN
39	242	25	to	to	TO
39	242	26	do	do	VB
39	242	27	.	.	.
39	243	1	You	-PRON-	PRP
39	243	2	can	can	MD
39	243	3	not	not	RB
39	243	4	measure	measure	VB
39	243	5	round	round	JJ
39	243	6	trip	trip	NN
39	243	7	time	time	NN
39	243	8	since	since	IN
39	243	9	the	the	DT
39	243	10	return	return	NN
39	243	11	link	link	NN
39	243	12	may	may	MD
39	243	13	be	be	VB
39	243	14	more	more	RBR
39	243	15	congested	congested	JJ
39	243	16	,	,	,
39	243	17	of	of	IN
39	243	18	a	a	DT
39	243	19	different	different	JJ
39	243	20	speed	speed	NN
39	243	21	,	,	,
39	243	22	or	or	CC
39	243	23	even	even	RB
39	243	24	not	not	RB
39	243	25	there	there	RB
39	243	26	.	.	.
39	244	1	It	-PRON-	PRP
39	244	2	is	be	VBZ
39	244	3	not	not	RB
39	244	4	really	really	RB
39	244	5	feasible	feasible	JJ
39	244	6	for	for	IN
39	244	7	each	each	DT
39	244	8	node	node	NN
39	244	9	on	on	IN
39	244	10	the	the	DT
39	244	11	network	network	NN
39	244	12	to	to	TO
39	244	13	have	have	VB
39	244	14	a	a	DT
39	244	15	builtin	builtin	JJ
39	244	16	WWV	WWV	NNP
39	244	17	(	(	-LRB-
39	244	18	nationwide	nationwide	JJ
39	244	19	radio	radio	NN
39	244	20	time	time	NN
39	244	21	standard	standard	NN
39	244	22	)	)	-RRB-
39	244	23	receiver	receiver	NN
39	244	24	.	.	.
39	245	1	So	so	CC
39	245	2	,	,	,
39	245	3	you	-PRON-	PRP
39	245	4	must	must	MD
39	245	5	design	design	VB
39	245	6	an	an	DT
39	245	7	algorithm	algorithm	NN
39	245	8	to	to	TO
39	245	9	pass	pass	VB
39	245	10	around	around	RP
39	245	11	time	time	NN
39	245	12	between	between	IN
39	245	13	nodes	node	NNS
39	245	14	over	over	IN
39	245	15	the	the	DT
39	245	16	network	network	NN
39	245	17	links	link	NNS
39	245	18	where	where	WRB
39	245	19	the	the	DT
39	245	20	delay	delay	NN
39	245	21	in	in	IN
39	245	22	transmission	transmission	NN
39	245	23	can	can	MD
39	245	24	only	only	RB
39	245	25	be	be	VB
39	245	26	approximated	approximate	VBN
39	245	27	.	.	.
39	246	1	Hello	hello	UH
39	246	2	routers	router	NNS
39	246	3	do	do	VBP
39	246	4	this	this	DT
39	246	5	and	and	CC
39	246	6	in	in	IN
39	246	7	a	a	DT
39	246	8	nationwide	nationwide	JJ
39	246	9	network	network	NN
39	246	10	maintain	maintain	VB
39	246	11	synchronized	synchronize	VBN
39	246	12	time	time	NN
39	246	13	within	within	IN
39	246	14	milliseconds	millisecond	NNS
39	246	15	.	.	.
39	247	1	Exterior	Exterior	NNP
39	247	2	Gateway	Gateway	NNP
39	247	3	Protocol	Protocol	NNP
39	247	4	(	(	-LRB-
39	247	5	EGP	EGP	NNP
39	247	6	RFC-904	rfc-904	NN
39	247	7	)	)	-RRB-
39	247	8	EGP	EGP	NNP
39	247	9	is	be	VBZ
39	247	10	not	not	RB
39	247	11	strictly	strictly	RB
39	247	12	a	a	DT
39	247	13	routing	route	VBG
39	247	14	protocol	protocol	NN
39	247	15	,	,	,
39	247	16	it	-PRON-	PRP
39	247	17	is	be	VBZ
39	247	18	a	a	DT
39	247	19	reacha-	reacha-	JJ
39	247	20	bility	bility	NN
39	247	21	protocol	protocol	NN
39	247	22	.	.	.
39	248	1	It	-PRON-	PRP
39	248	2	tells	tell	VBZ
39	248	3	only	only	RB
39	248	4	if	if	IN
39	248	5	nets	net	NNS
39	248	6	can	can	MD
39	248	7	be	be	VB
39	248	8	reached	reach	VBN
39	248	9	through	through	IN
39	248	10	a	a	DT
39	248	11	particular	particular	JJ
39	248	12	gateway	gateway	NN
39	248	13	,	,	,
39	248	14	not	not	RB
39	248	15	how	how	WRB
39	248	16	good	good	JJ
39	248	17	the	the	DT
39	248	18	connec-	connec-	NN
39	248	19	tion	tion	NN
39	248	20	is	be	VBZ
39	248	21	.	.	.
39	249	1	It	-PRON-	PRP
39	249	2	is	be	VBZ
39	249	3	the	the	DT
39	249	4	standard	standard	NN
39	249	5	by	by	IN
39	249	6	which	which	WDT
39	249	7	gateways	gateway	NNS
39	249	8	to	to	IN
39	249	9	local	local	JJ
39	249	10	nets	net	NNS
39	249	11	inform	inform	VB
39	249	12	the	the	DT
39	249	13	ARPAnet	arpanet	NN
39	249	14	of	of	IN
39	249	15	the	the	DT
39	249	16	nets	net	NNS
39	249	17	they	-PRON-	PRP
39	249	18	can	can	MD
39	249	19	reach	reach	VB
39	249	20	.	.	.
39	250	1	There	there	EX
39	250	2	is	be	VBZ
39	250	3	a	a	DT
39	250	4	metric	metric	JJ
39	250	5	passed	pass	VBN
39	250	6	around	around	RP
39	250	7	by	by	IN
39	250	8	EGP	EGP	NNP
39	250	9	but	but	CC
39	250	10	its	-PRON-	PRP$
39	250	11	usage	usage	NN
39	250	12	is	be	VBZ
39	250	13	not	not	RB
39	250	14	standardized	standardize	VBN
39	250	15	formally	formally	RB
39	250	16	.	.	.
39	251	1	Its	-PRON-	PRP$
39	251	2	typical	typical	JJ
39	251	3	value	value	NN
39	251	4	is	be	VBZ
39	251	5	value	value	NN
39	251	6	is	be	VBZ
39	251	7	1	1	CD
39	251	8	to	to	TO
39	251	9	8	8	CD
39	251	10	which	which	WDT
39	251	11	are	be	VBP
39	251	12	arbitrary	arbitrary	JJ
39	251	13	goodness	goodness	NN
39	251	14	of	of	IN
39	251	15	link	link	NN
39	251	16	values	value	NNS
39	251	17	understood	understand	VBN
39	251	18	by	by	IN
39	251	19	the	the	DT
39	251	20	internal	internal	JJ
39	251	21	DDN	DDN	NNP
39	251	22	gateways	gateway	NNS
39	251	23	.	.	.
39	252	1	The	the	DT
39	252	2	smaller	small	JJR
39	252	3	the	the	DT
39	252	4	value	value	NN
39	252	5	the	the	DT
39	252	6	better	well	JJR
39	252	7	and	and	CC
39	252	8	a	a	DT
39	252	9	value	value	NN
39	252	10	of	of	IN
39	252	11	8	8	CD
39	252	12	being	be	VBG
39	252	13	unreach-	unreach-	JJ
39	252	14	able	able	JJ
39	252	15	.	.	.
39	253	1	A	a	DT
39	253	2	quirk	quirk	NN
39	253	3	of	of	IN
39	253	4	the	the	DT
39	253	5	protocol	protocol	NN
39	253	6	prevents	prevent	NNS
39	253	7	distinguishing	distinguish	VBG
39	253	8	between	between	IN
39	253	9	1	1	CD
39	253	10	and	and	CC
39	253	11	2	2	CD
39	253	12	,	,	,
39	253	13	3	3	CD
39	253	14	and	and	CC
39	253	15	4	4	CD
39	253	16	...	...	NFP
39	253	17	,	,	,
39	253	18	so	so	CC
39	253	19	the	the	DT
39	253	20	usablity	usablity	NN
39	253	21	of	of	IN
39	253	22	this	this	DT
39	253	23	as	as	IN
39	253	24	a	a	DT
39	253	25	metric	metric	NN
39	253	26	is	be	VBZ
39	253	27	as	as	IN
39	253	28	three	three	CD
39	253	29	values	value	NNS
39	253	30	and	and	CC
39	253	31	unreachable	unreachable	JJ
39	253	32	.	.	.
39	254	1	Within	within	IN
39	254	2	NSFnet	NSFnet	NNP
39	254	3	the	the	DT
39	254	4	values	value	NNS
39	254	5	used	use	VBN
39	254	6	are	be	VBP
39	254	7	1	1	CD
39	254	8	,	,	,
39	254	9	3	3	CD
39	254	10	,	,	,
39	254	11	and	and	CC
39	254	12	unreachable	unreachable	JJ
39	254	13	.	.	.
39	255	1	Many	many	JJ
39	255	2	routers	router	NNS
39	255	3	talk	talk	VBP
39	255	4	EGP	egp	RB
39	255	5	so	so	IN
39	255	6	they	-PRON-	PRP
39	255	7	can	can	MD
39	255	8	be	be	VB
39	255	9	used	use	VBN
39	255	10	for	for	IN
39	255	11	ARPAnet	arpanet	JJ
39	255	12	gateways	gateway	NNS
39	255	13	.	.	.
39	256	1	-13-	-13-	:
39	256	2	Gated	Gated	NNP
39	256	3	So	so	IN
39	256	4	we	-PRON-	PRP
39	256	5	have	have	VBP
39	256	6	regional	regional	JJ
39	256	7	and	and	CC
39	256	8	campus	campus	NN
39	256	9	networks	network	NNS
39	256	10	talking	talk	VBG
39	256	11	RIP	RIP	NNP
39	256	12	among	among	IN
39	256	13	themselves	-PRON-	PRP
39	256	14	,	,	,
39	256	15	the	the	DT
39	256	16	NSFnet	NSFnet	NNP
39	256	17	backbone	backbone	NN
39	256	18	talking	talk	VBG
39	256	19	Hello	hello	UH
39	256	20	,	,	,
39	256	21	and	and	CC
39	256	22	the	the	DT
39	256	23	DDN	DDN	NNP
39	256	24	speaking	speak	VBG
39	256	25	EGP	EGP	NNP
39	256	26	.	.	.
39	257	1	How	how	WRB
39	257	2	do	do	VBP
39	257	3	they	-PRON-	PRP
39	257	4	interoperate	interoperate	VB
39	257	5	?	?	.
39	258	1	In	in	IN
39	258	2	the	the	DT
39	258	3	beginning	beginning	NN
39	258	4	there	there	EX
39	258	5	was	be	VBD
39	258	6	static	static	JJ
39	258	7	routing	routing	NN
39	258	8	,	,	,
39	258	9	assembled	assemble	VBN
39	258	10	into	into	IN
39	258	11	the	the	DT
39	258	12	Fuzzball	Fuzzball	NNP
39	258	13	software	software	NN
39	258	14	configured	configure	VBN
39	258	15	for	for	IN
39	258	16	each	each	DT
39	258	17	site	site	NN
39	258	18	.	.	.
39	259	1	The	the	DT
39	259	2	problem	problem	NN
39	259	3	with	with	IN
39	259	4	doing	do	VBG
39	259	5	static	static	JJ
39	259	6	routing	routing	NN
39	259	7	in	in	IN
39	259	8	the	the	DT
39	259	9	middle	middle	NN
39	259	10	of	of	IN
39	259	11	the	the	DT
39	259	12	network	network	NN
39	259	13	is	be	VBZ
39	259	14	that	that	IN
39	259	15	it	-PRON-	PRP
39	259	16	is	be	VBZ
39	259	17	broadcast	broadcast	VBN
39	259	18	to	to	IN
39	259	19	the	the	DT
39	259	20	Internet	internet	NN
39	259	21	whether	whether	IN
39	259	22	it	-PRON-	PRP
39	259	23	is	be	VBZ
39	259	24	usable	usable	JJ
39	259	25	or	or	CC
39	259	26	not	not	RB
39	259	27	.	.	.
39	260	1	Therefore	therefore	RB
39	260	2	,	,	,
39	260	3	if	if	IN
39	260	4	a	a	DT
39	260	5	net	net	NN
39	260	6	becomes	become	VBZ
39	260	7	unreachable	unreachable	JJ
39	260	8	and	and	CC
39	260	9	you	-PRON-	PRP
39	260	10	try	try	VBP
39	260	11	to	to	TO
39	260	12	get	get	VB
39	260	13	there	there	RB
39	260	14	,	,	,
39	260	15	dynamic	dynamic	JJ
39	260	16	routing	routing	NN
39	260	17	will	will	MD
39	260	18	immediately	immediately	RB
39	260	19	issue	issue	VB
39	260	20	a	a	DT
39	260	21	net	net	NN
39	260	22	unreachable	unreachable	JJ
39	260	23	to	to	IN
39	260	24	you	-PRON-	PRP
39	260	25	.	.	.
39	261	1	Under	under	IN
39	261	2	static	static	NN
39	261	3	routing	route	VBG
39	261	4	the	the	DT
39	261	5	routers	router	NNS
39	261	6	would	would	MD
39	261	7	think	think	VB
39	261	8	the	the	DT
39	261	9	net	net	NN
39	261	10	could	could	MD
39	261	11	be	be	VB
39	261	12	reached	reach	VBN
39	261	13	and	and	CC
39	261	14	would	would	MD
39	261	15	continue	continue	VB
39	261	16	trying	try	VBG
39	261	17	until	until	IN
39	261	18	the	the	DT
39	261	19	application	application	NN
39	261	20	gave	give	VBD
39	261	21	up	up	RP
39	261	22	(	(	-LRB-
39	261	23	in	in	IN
39	261	24	2	2	CD
39	261	25	or	or	CC
39	261	26	more	more	JJR
39	261	27	minutes	minute	NNS
39	261	28	)	)	-RRB-
39	261	29	.	.	.
39	262	1	Mark	Mark	NNP
39	262	2	Fedor	Fedor	NNP
39	262	3	of	of	IN
39	262	4	Cornell	Cornell	NNP
39	262	5	(	(	-LRB-
39	262	6	fedor@devvax.tn.cornell.edu	fedor@devvax.tn.cornell.edu	NNPS
39	262	7	)	)	-RRB-
39	262	8	attempted	attempt	VBD
39	262	9	to	to	TO
39	262	10	solve	solve	VB
39	262	11	these	these	DT
39	262	12	problems	problem	NNS
39	262	13	with	with	IN
39	262	14	a	a	DT
39	262	15	replacement	replacement	NN
39	262	16	for	for	IN
39	262	17	"	"	``
39	262	18	routed	route	VBN
39	262	19	"	"	''
39	262	20	called	call	VBN
39	262	21	"	"	``
39	262	22	gated	gate	VBN
39	262	23	"	"	''
39	262	24	.	.	.
39	263	1	"	"	``
39	263	2	Gated	Gated	NNP
39	263	3	"	"	''
39	263	4	talks	talk	VBZ
39	263	5	RIP	RIP	NNP
39	263	6	to	to	IN
39	263	7	RIP	RIP	NNP
39	263	8	speaking	speak	VBG
39	263	9	hosts	host	NNS
39	263	10	,	,	,
39	263	11	EGP	EGP	NNP
39	263	12	to	to	IN
39	263	13	EGP	EGP	NNP
39	263	14	speakers	speaker	NNS
39	263	15	,	,	,
39	263	16	and	and	CC
39	263	17	Hello	hello	UH
39	263	18	to	to	IN
39	263	19	Hello'ers	hello'er	NNS
39	263	20	.	.	.
39	264	1	These	these	DT
39	264	2	speakers	speaker	NNS
39	264	3	frequently	frequently	RB
39	264	4	all	all	DT
39	264	5	live	live	VBP
39	264	6	on	on	IN
39	264	7	one	one	CD
39	264	8	Ethernet	ethernet	NN
39	264	9	,	,	,
39	264	10	but	but	CC
39	264	11	luckily	luckily	RB
39	264	12	(	(	-LRB-
39	264	13	or	or	CC
39	264	14	unluckily	unluckily	RB
39	264	15	)	)	-RRB-
39	264	16	can	can	MD
39	264	17	not	not	RB
39	264	18	understand	understand	VB
39	264	19	each	each	DT
39	264	20	others	other	NNS
39	264	21	ruminations	rumination	NNS
39	264	22	.	.	.
39	265	1	In	in	IN
39	265	2	addition	addition	NN
39	265	3	,	,	,
39	265	4	under	under	IN
39	265	5	configuration	configuration	NN
39	265	6	file	file	NN
39	265	7	control	control	NN
39	265	8	it	-PRON-	PRP
39	265	9	can	can	MD
39	265	10	filter	filter	VB
39	265	11	the	the	DT
39	265	12	conversion	conversion	NN
39	265	13	.	.	.
39	266	1	For	for	IN
39	266	2	example	example	NN
39	266	3	,	,	,
39	266	4	one	one	PRP
39	266	5	can	can	MD
39	266	6	produce	produce	VB
39	266	7	a	a	DT
39	266	8	configuration	configuration	NN
39	266	9	saying	say	VBG
39	266	10	announce	announce	VB
39	266	11	RIP	RIP	NNP
39	266	12	nets	net	NNS
39	266	13	via	via	IN
39	266	14	Hello	hello	UH
39	266	15	only	only	RB
39	266	16	if	if	IN
39	266	17	they	-PRON-	PRP
39	266	18	are	be	VBP
39	266	19	specified	specify	VBN
39	266	20	in	in	IN
39	266	21	a	a	DT
39	266	22	list	list	NN
39	266	23	and	and	CC
39	266	24	are	be	VBP
39	266	25	reachable	reachable	JJ
39	266	26	by	by	IN
39	266	27	way	way	NN
39	266	28	of	of	IN
39	266	29	a	a	DT
39	266	30	RIP	RIP	NNP
39	266	31	broadcast	broadcast	NN
39	266	32	as	as	RB
39	266	33	well	well	RB
39	266	34	.	.	.
39	267	1	This	this	DT
39	267	2	means	mean	VBZ
39	267	3	that	that	IN
39	267	4	if	if	IN
39	267	5	a	a	DT
39	267	6	rogue	rogue	JJ
39	267	7	network	network	NN
39	267	8	appears	appear	VBZ
39	267	9	in	in	IN
39	267	10	your	-PRON-	PRP$
39	267	11	local	local	JJ
39	267	12	site	site	NN
39	267	13	's	's	POS
39	267	14	RIP	RIP	NNP
39	267	15	space	space	NN
39	267	16	,	,	,
39	267	17	it	-PRON-	PRP
39	267	18	wo	will	MD
39	267	19	n't	not	RB
39	267	20	be	be	VB
39	267	21	passed	pass	VBN
39	267	22	through	through	RP
39	267	23	to	to	IN
39	267	24	the	the	DT
39	267	25	Hello	Hello	NNP
39	267	26	side	side	NN
39	267	27	of	of	IN
39	267	28	the	the	DT
39	267	29	world	world	NN
39	267	30	.	.	.
39	268	1	There	there	EX
39	268	2	are	be	VBP
39	268	3	also	also	RB
39	268	4	configuration	configuration	NN
39	268	5	options	option	NNS
39	268	6	to	to	TO
39	268	7	do	do	VB
39	268	8	static	static	JJ
39	268	9	routing	routing	NN
39	268	10	and	and	CC
39	268	11	name	name	NN
39	268	12	trusted	trust	VBD
39	268	13	gateways	gateway	NNS
39	268	14	.	.	.
39	269	1	This	this	DT
39	269	2	may	may	MD
39	269	3	sound	sound	VB
39	269	4	like	like	IN
39	269	5	the	the	DT
39	269	6	greatest	great	JJS
39	269	7	thing	thing	NN
39	269	8	since	since	IN
39	269	9	sliced	sliced	JJ
39	269	10	bread	bread	NN
39	269	11	,	,	,
39	269	12	but	but	CC
39	269	13	there	there	EX
39	269	14	is	be	VBZ
39	269	15	a	a	DT
39	269	16	catch	catch	NN
39	269	17	called	call	VBN
39	269	18	metric	metric	JJ
39	269	19	conversion	conversion	NN
39	269	20	.	.	.
39	270	1	You	-PRON-	PRP
39	270	2	have	have	VBP
39	270	3	RIP	RIP	NNP
39	270	4	measuring	measure	VBG
39	270	5	in	in	IN
39	270	6	hops	hop	NNS
39	270	7	,	,	,
39	270	8	Hello	hello	UH
39	270	9	measuring	measure	VBG
39	270	10	in	in	IN
39	270	11	milliseconds	millisecond	NNS
39	270	12	,	,	,
39	270	13	and	and	CC
39	270	14	EGP	EGP	NNP
39	270	15	using	use	VBG
39	270	16	arbitrary	arbitrary	JJ
39	270	17	small	small	JJ
39	270	18	numbers	number	NNS
39	270	19	.	.	.
39	271	1	The	the	DT
39	271	2	big	big	JJ
39	271	3	questions	question	NNS
39	271	4	is	be	VBZ
39	271	5	how	how	WRB
39	271	6	many	many	JJ
39	271	7	hops	hop	NNS
39	271	8	to	to	IN
39	271	9	a	a	DT
39	271	10	millisecond	millisecond	NN
39	271	11	,	,	,
39	271	12	how	how	WRB
39	271	13	many	many	JJ
39	271	14	milliseconds	millisecond	NNS
39	271	15	in	in	IN
39	271	16	the	the	DT
39	271	17	EGP	EGP	NNP
39	271	18	number	number	NN
39	271	19	3	3	CD
39	271	20	....	....	NFP
39	271	21	Also	also	RB
39	271	22	,	,	,
39	271	23	remember	remember	VB
39	271	24	that	that	IN
39	271	25	infinity	infinity	NN
39	271	26	(	(	-LRB-
39	271	27	unreachability	unreachability	NN
39	271	28	)	)	-RRB-
39	271	29	is	be	VBZ
39	271	30	16	16	CD
39	271	31	to	to	IN
39	271	32	RIP	RIP	NNP
39	271	33	,	,	,
39	271	34	30000	30000	CD
39	271	35	or	or	CC
39	271	36	so	so	RB
39	271	37	to	to	IN
39	271	38	Hello	hello	UH
39	271	39	,	,	,
39	271	40	and	and	CC
39	271	41	8	8	CD
39	271	42	to	to	IN
39	271	43	the	the	DT
39	271	44	DDN	DDN	NNP
39	271	45	with	with	IN
39	271	46	EGP	EGP	NNP
39	271	47	.	.	.
39	272	1	Getting	get	VBG
39	272	2	all	all	PDT
39	272	3	these	these	DT
39	272	4	metrics	metric	NNS
39	272	5	to	to	TO
39	272	6	work	work	VB
39	272	7	well	well	RB
39	272	8	together	together	RB
39	272	9	is	be	VBZ
39	272	10	no	no	DT
39	272	11	small	small	JJ
39	272	12	feat	feat	NN
39	272	13	.	.	.
39	273	1	If	if	IN
39	273	2	done	do	VBN
39	273	3	incorrectly	incorrectly	RB
39	273	4	and	and	CC
39	273	5	you	-PRON-	PRP
39	273	6	translate	translate	VBP
39	273	7	an	an	DT
39	273	8	RIP	rip	NN
39	273	9	of	of	IN
39	273	10	16	16	CD
39	273	11	into	into	IN
39	273	12	an	an	DT
39	273	13	EGP	EGP	NNP
39	273	14	of	of	IN
39	273	15	6	6	CD
39	273	16	,	,	,
39	273	17	everyone	everyone	NN
39	273	18	in	in	IN
39	273	19	the	the	DT
39	273	20	ARPAnet	arpanet	NN
39	273	21	will	will	MD
39	273	22	still	still	RB
39	273	23	think	think	VB
39	273	24	your	-PRON-	PRP$
39	273	25	gateway	gateway	NN
39	273	26	can	can	MD
39	273	27	reach	reach	VB
39	273	28	the	the	DT
39	273	29	unreachable	unreachable	JJ
39	273	30	and	and	CC
39	273	31	will	will	MD
39	273	32	send	send	VB
39	273	33	every	every	DT
39	273	34	packet	packet	NN
39	273	35	in	in	IN
39	273	36	the	the	DT
39	273	37	world	world	NN
39	273	38	your	-PRON-	PRP$
39	273	39	way	way	NN
39	273	40	.	.	.
39	274	1	For	for	IN
39	274	2	these	these	DT
39	274	3	reasons	reason	NNS
39	274	4	,	,	,
39	274	5	Mark	Mark	NNP
39	274	6	requests	request	NNS
39	274	7	that	that	IN
39	274	8	you	-PRON-	PRP
39	274	9	consult	consult	VBP
39	274	10	closely	closely	RB
39	274	11	with	with	IN
39	274	12	him	-PRON-	PRP
39	274	13	when	when	WRB
39	274	14	configuring	configure	VBG
39	274	15	and	and	CC
39	274	16	using	use	VBG
39	274	17	"	"	``
39	274	18	gated	gate	VBN
39	274	19	"	"	''
39	274	20	.	.	.
39	275	1	-14-	-14-	:
39	275	2	"	"	``
39	275	3	Names	name	NNS
39	275	4	"	"	''
39	275	5	All	all	DT
39	275	6	routing	route	VBG
39	275	7	across	across	IN
39	275	8	the	the	DT
39	275	9	network	network	NN
39	275	10	is	be	VBZ
39	275	11	done	do	VBN
39	275	12	by	by	IN
39	275	13	means	mean	NNS
39	275	14	of	of	IN
39	275	15	the	the	DT
39	275	16	IP	IP	NNP
39	275	17	address	address	NN
39	275	18	associated	associate	VBN
39	275	19	with	with	IN
39	275	20	a	a	DT
39	275	21	packet	packet	NN
39	275	22	.	.	.
39	276	1	Since	since	IN
39	276	2	humans	human	NNS
39	276	3	find	find	VBP
39	276	4	it	-PRON-	PRP
39	276	5	difficult	difficult	JJ
39	276	6	to	to	TO
39	276	7	remember	remember	VB
39	276	8	addresses	address	NNS
39	276	9	like	like	IN
39	276	10	128.174.5.50	128.174.5.50	CD
39	276	11	,	,	,
39	276	12	a	a	DT
39	276	13	symbolic	symbolic	JJ
39	276	14	name	name	NN
39	276	15	register	register	NN
39	276	16	was	be	VBD
39	276	17	set	set	VBN
39	276	18	up	up	RP
39	276	19	at	at	IN
39	276	20	the	the	DT
39	276	21	NIC	NIC	NNP
39	276	22	where	where	WRB
39	276	23	people	people	NNS
39	276	24	would	would	MD
39	276	25	say	say	VB
39	276	26	"	"	``
39	276	27	I	-PRON-	PRP
39	276	28	would	would	MD
39	276	29	like	like	VB
39	276	30	my	-PRON-	PRP$
39	276	31	host	host	NN
39	276	32	to	to	TO
39	276	33	be	be	VB
39	276	34	named	name	VBN
39	276	35	'	'	``
39	276	36	uiucuxc	uiucuxc	NN
39	276	37	'	'	''
39	276	38	"	"	''
39	276	39	.	.	.
39	277	1	Machines	machine	NNS
39	277	2	connected	connect	VBN
39	277	3	to	to	IN
39	277	4	the	the	DT
39	277	5	Internet	internet	NN
39	277	6	across	across	IN
39	277	7	the	the	DT
39	277	8	nation	nation	NN
39	277	9	would	would	MD
39	277	10	connect	connect	VB
39	277	11	to	to	IN
39	277	12	the	the	DT
39	277	13	NIC	NIC	NNP
39	277	14	in	in	IN
39	277	15	the	the	DT
39	277	16	middle	middle	NN
39	277	17	of	of	IN
39	277	18	the	the	DT
39	277	19	night	night	NN
39	277	20	,	,	,
39	277	21	check	check	VB
39	277	22	modification	modification	NN
39	277	23	dates	date	VBZ
39	277	24	on	on	IN
39	277	25	the	the	DT
39	277	26	hosts	host	NNS
39	277	27	file	file	NN
39	277	28	,	,	,
39	277	29	and	and	CC
39	277	30	if	if	IN
39	277	31	modified	modify	VBN
39	277	32	move	move	VBP
39	277	33	it	-PRON-	PRP
39	277	34	to	to	IN
39	277	35	their	-PRON-	PRP$
39	277	36	local	local	JJ
39	277	37	machine	machine	NN
39	277	38	.	.	.
39	278	1	With	with	IN
39	278	2	the	the	DT
39	278	3	advent	advent	NN
39	278	4	of	of	IN
39	278	5	workstations	workstation	NNS
39	278	6	and	and	CC
39	278	7	micros	micros	NNP
39	278	8	,	,	,
39	278	9	changes	change	VBZ
39	278	10	to	to	IN
39	278	11	the	the	DT
39	278	12	host	host	NN
39	278	13	file	file	NN
39	278	14	would	would	MD
39	278	15	have	have	VB
39	278	16	to	to	TO
39	278	17	be	be	VB
39	278	18	made	make	VBN
39	278	19	nightly	nightly	RB
39	278	20	.	.	.
39	279	1	It	-PRON-	PRP
39	279	2	would	would	MD
39	279	3	also	also	RB
39	279	4	be	be	VB
39	279	5	very	very	RB
39	279	6	labor	labor	NN
39	279	7	intensive	intensive	JJ
39	279	8	and	and	CC
39	279	9	consume	consume	VB
39	279	10	a	a	DT
39	279	11	lot	lot	NN
39	279	12	of	of	IN
39	279	13	network	network	NN
39	279	14	bandwidth	bandwidth	NN
39	279	15	.	.	.
39	280	1	RFC-882	rfc-882	UH
39	280	2	and	and	CC
39	280	3	a	a	DT
39	280	4	number	number	NN
39	280	5	of	of	IN
39	280	6	others	other	NNS
39	280	7	describe	describe	VBP
39	280	8	domain	domain	NN
39	280	9	name	name	NN
39	280	10	service	service	NNP
39	280	11	,	,	,
39	280	12	a	a	DT
39	280	13	distributed	distribute	VBN
39	280	14	data	data	NN
39	280	15	base	base	NN
39	280	16	system	system	NN
39	280	17	for	for	IN
39	280	18	mapping	map	VBG
39	280	19	names	name	NNS
39	280	20	into	into	IN
39	280	21	addresses	address	NNS
39	280	22	.	.	.
39	281	1	We	-PRON-	PRP
39	281	2	must	must	MD
39	281	3	look	look	VB
39	281	4	a	a	DT
39	281	5	little	little	RB
39	281	6	more	more	RBR
39	281	7	closely	closely	RB
39	281	8	into	into	IN
39	281	9	what	what	WP
39	281	10	's	be	VBZ
39	281	11	in	in	IN
39	281	12	a	a	DT
39	281	13	name	name	NN
39	281	14	.	.	.
39	282	1	First	first	RB
39	282	2	,	,	,
39	282	3	note	note	VB
39	282	4	that	that	IN
39	282	5	an	an	DT
39	282	6	address	address	NN
39	282	7	specifies	specify	VBZ
39	282	8	a	a	DT
39	282	9	particular	particular	JJ
39	282	10	connec-	connec-	NN
39	282	11	tion	tion	NN
39	282	12	on	on	IN
39	282	13	a	a	DT
39	282	14	specific	specific	JJ
39	282	15	network	network	NN
39	282	16	.	.	.
39	283	1	If	if	IN
39	283	2	the	the	DT
39	283	3	machine	machine	NN
39	283	4	moves	move	VBZ
39	283	5	,	,	,
39	283	6	the	the	DT
39	283	7	address	address	NN
39	283	8	changes	change	VBZ
39	283	9	.	.	.
39	284	1	Second	second	RB
39	284	2	,	,	,
39	284	3	a	a	DT
39	284	4	machine	machine	NN
39	284	5	can	can	MD
39	284	6	have	have	VB
39	284	7	one	one	CD
39	284	8	or	or	CC
39	284	9	more	more	JJR
39	284	10	names	name	NNS
39	284	11	and	and	CC
39	284	12	one	one	CD
39	284	13	or	or	CC
39	284	14	more	more	JJR
39	284	15	network	network	NN
39	284	16	addresses	address	NNS
39	284	17	(	(	-LRB-
39	284	18	connections	connection	NNS
39	284	19	)	)	-RRB-
39	284	20	to	to	IN
39	284	21	different	different	JJ
39	284	22	networks	network	NNS
39	284	23	.	.	.
39	285	1	Names	name	NNS
39	285	2	point	point	NN
39	285	3	to	to	IN
39	285	4	a	a	DT
39	285	5	something	something	NN
39	285	6	which	which	WDT
39	285	7	does	do	VBZ
39	285	8	useful	useful	JJ
39	285	9	work	work	NN
39	285	10	(	(	-LRB-
39	285	11	i.e.	i.e.	FW
39	286	1	the	the	DT
39	286	2	machine	machine	NN
39	286	3	)	)	-RRB-
39	286	4	and	and	CC
39	286	5	IP	IP	NNP
39	286	6	addresses	address	VBZ
39	286	7	point	point	VBP
39	286	8	to	to	IN
39	286	9	an	an	DT
39	286	10	interface	interface	NN
39	286	11	on	on	IN
39	286	12	that	that	DT
39	286	13	provider	provider	NN
39	286	14	.	.	.
39	287	1	A	a	DT
39	287	2	name	name	NN
39	287	3	is	be	VBZ
39	287	4	a	a	DT
39	287	5	purely	purely	RB
39	287	6	symbolic	symbolic	JJ
39	287	7	representation	representation	NN
39	287	8	of	of	IN
39	287	9	a	a	DT
39	287	10	list	list	NN
39	287	11	of	of	IN
39	287	12	addresses	address	NNS
39	287	13	on	on	IN
39	287	14	the	the	DT
39	287	15	network	network	NN
39	287	16	.	.	.
39	288	1	If	if	IN
39	288	2	a	a	DT
39	288	3	machine	machine	NN
39	288	4	moves	move	VBZ
39	288	5	to	to	IN
39	288	6	a	a	DT
39	288	7	different	different	JJ
39	288	8	network	network	NN
39	288	9	,	,	,
39	288	10	the	the	DT
39	288	11	addresses	address	NNS
39	288	12	will	will	MD
39	288	13	change	change	VB
39	288	14	but	but	CC
39	288	15	the	the	DT
39	288	16	name	name	NN
39	288	17	could	could	MD
39	288	18	remain	remain	VB
39	288	19	the	the	DT
39	288	20	same	same	JJ
39	288	21	.	.	.
39	289	1	Domain	domain	NN
39	289	2	names	name	NNS
39	289	3	are	be	VBP
39	289	4	tree	tree	NN
39	289	5	structured	structure	VBN
39	289	6	names	name	NNS
39	289	7	with	with	IN
39	289	8	the	the	DT
39	289	9	root	root	NN
39	289	10	of	of	IN
39	289	11	the	the	DT
39	289	12	tree	tree	NN
39	289	13	at	at	IN
39	289	14	the	the	DT
39	289	15	right	right	NN
39	289	16	.	.	.
39	290	1	For	for	IN
39	290	2	example	example	NN
39	290	3	:	:	:
39	290	4	uxc.cso.uiuc.edu	uxc.cso.uiuc.edu	NNS
39	290	5	is	be	VBZ
39	290	6	a	a	DT
39	290	7	machine	machine	NN
39	290	8	called	call	VBN
39	290	9	'	'	``
39	290	10	uxc	uxc	NNP
39	290	11	'	'	''
39	290	12	(	(	-LRB-
39	290	13	purely	purely	RB
39	290	14	arbitrary	arbitrary	JJ
39	290	15	)	)	-RRB-
39	290	16	,	,	,
39	290	17	within	within	IN
39	290	18	the	the	DT
39	290	19	subdomains	subdomain	NNS
39	290	20	method	method	NN
39	290	21	of	of	IN
39	290	22	allocation	allocation	NN
39	290	23	of	of	IN
39	290	24	the	the	DT
39	290	25	U	u	NN
39	290	26	of	of	IN
39	290	27	I	I	NNP
39	290	28	)	)	-RRB-
39	290	29	and	and	CC
39	290	30	'	'	``
39	290	31	uiuc	uiuc	NN
39	290	32	'	'	''
39	290	33	(	(	-LRB-
39	290	34	the	the	DT
39	290	35	University	University	NNP
39	290	36	of	of	IN
39	290	37	Illinois	Illinois	NNP
39	290	38	at	at	IN
39	290	39	Urbana	Urbana	NNP
39	290	40	)	)	-RRB-
39	290	41	,	,	,
39	290	42	registered	register	VBN
39	290	43	with	with	IN
39	290	44	'	'	``
39	290	45	edu	edu	NN
39	290	46	'	'	''
39	290	47	(	(	-LRB-
39	290	48	the	the	DT
39	290	49	set	set	NN
39	290	50	of	of	IN
39	290	51	educational	educational	JJ
39	290	52	institutions	institution	NNS
39	290	53	)	)	-RRB-
39	290	54	.	.	.
39	291	1	A	a	DT
39	291	2	simplified	simplified	JJ
39	291	3	model	model	NN
39	291	4	of	of	IN
39	291	5	how	how	WRB
39	291	6	a	a	DT
39	291	7	name	name	NN
39	291	8	is	be	VBZ
39	291	9	resolved	resolve	VBN
39	291	10	is	be	VBZ
39	291	11	that	that	DT
39	291	12	on	on	IN
39	291	13	the	the	DT
39	291	14	user	user	NN
39	291	15	's	's	POS
39	291	16	machine	machine	NN
39	291	17	there	there	EX
39	291	18	is	be	VBZ
39	291	19	a	a	DT
39	291	20	resolver	resolver	NN
39	291	21	.	.	.
39	292	1	The	the	DT
39	292	2	resolver	resolver	NN
39	292	3	knows	know	VBZ
39	292	4	how	how	WRB
39	292	5	to	to	TO
39	292	6	contact	contact	VB
39	292	7	across	across	IN
39	292	8	the	the	DT
39	292	9	network	network	NN
39	292	10	a	a	DT
39	292	11	root	root	NN
39	292	12	name	name	NN
39	292	13	server	server	NN
39	292	14	.	.	.
39	293	1	Root	root	NN
39	293	2	servers	server	NNS
39	293	3	are	be	VBP
39	293	4	the	the	DT
39	293	5	base	base	NN
39	293	6	of	of	IN
39	293	7	the	the	DT
39	293	8	tree	tree	NN
39	293	9	structured	structure	VBN
39	293	10	data	data	NNP
39	293	11	retrieval	retrieval	NN
39	293	12	system	system	NN
39	293	13	.	.	.
39	294	1	They	-PRON-	PRP
39	294	2	know	know	VBP
39	294	3	who	who	WP
39	294	4	is	be	VBZ
39	294	5	responsible	responsible	JJ
39	294	6	for	for	IN
39	294	7	handling	handle	VBG
39	294	8	first	first	JJ
39	294	9	level	level	NN
39	294	10	domains	domain	NNS
39	294	11	(	(	-LRB-
39	294	12	e.g.	e.g.	RB
39	295	1	'	'	``
39	295	2	edu	edu	NNP
39	295	3	'	'	''
39	295	4	)	)	-RRB-
39	295	5	.	.	.
39	296	1	What	what	WDT
39	296	2	root	root	NN
39	296	3	servers	server	NNS
39	296	4	to	to	TO
39	296	5	use	use	VB
39	296	6	is	be	VBZ
39	296	7	an	an	DT
39	296	8	installation	installation	NN
39	296	9	parameter	parameter	NN
39	296	10	.	.	.
39	297	1	From	from	IN
39	297	2	the	the	DT
39	297	3	root	root	NN
39	297	4	server	server	NN
39	297	5	the	the	DT
39	297	6	resolver	resolver	NN
39	297	7	finds	find	VBZ
39	297	8	out	out	RP
39	297	9	who	who	WP
39	297	10	provides	provide	VBZ
39	297	11	'	'	``
39	297	12	edu	edu	NN
39	297	13	'	'	''
39	297	14	service	service	NN
39	297	15	.	.	.
39	298	1	It	-PRON-	PRP
39	298	2	contacts	contact	VBZ
39	298	3	the	the	DT
39	298	4	'	'	``
39	298	5	edu	edu	NN
39	298	6	'	'	POS
39	298	7	name	name	NN
39	298	8	server	server	NN
39	298	9	which	which	WDT
39	298	10	supplies	supply	VBZ
39	298	11	it	-PRON-	PRP
39	298	12	with	with	IN
39	298	13	a	a	DT
39	298	14	list	list	NN
39	298	15	of	of	IN
39	298	16	addresses	address	NNS
39	298	17	of	of	IN
39	298	18	servers	server	NNS
39	298	19	for	for	IN
39	298	20	the	the	DT
39	298	21	subdomains	subdomains	NNPS
39	298	22	(	(	-LRB-
39	298	23	like	like	UH
39	298	24	'	'	``
39	298	25	uiuc	uiuc	NN
39	298	26	'	'	''
39	298	27	)	)	-RRB-
39	298	28	.	.	.
39	299	1	This	this	DT
39	299	2	action	action	NN
39	299	3	is	be	VBZ
39	299	4	repeated	repeat	VBN
39	299	5	with	with	IN
39	299	6	the	the	DT
39	299	7	subdomain	subdomain	NN
39	299	8	servers	server	NNS
39	299	9	until	until	IN
39	299	10	the	the	DT
39	299	11	final	final	JJ
39	299	12	sub-	sub-	JJ
39	299	13	domain	domain	NN
39	299	14	returns	return	VBZ
39	299	15	a	a	DT
39	299	16	list	list	NN
39	299	17	of	of	IN
39	299	18	addresses	address	NNS
39	299	19	of	of	IN
39	299	20	interfaces	interface	NNS
39	299	21	on	on	IN
39	299	22	the	the	DT
39	299	23	host	host	NN
39	299	24	in	in	IN
39	299	25	question	question	NN
39	299	26	.	.	.
39	300	1	The	the	DT
39	300	2	user	user	NN
39	300	3	's	's	POS
39	300	4	machine	machine	NN
39	300	5	then	then	RB
39	300	6	has	have	VBZ
39	300	7	its	-PRON-	PRP$
39	300	8	choice	choice	NN
39	300	9	of	of	IN
39	300	10	which	which	WDT
39	300	11	of	of	IN
39	300	12	these	these	DT
39	300	13	addresses	address	NNS
39	300	14	to	to	TO
39	300	15	use	use	VB
39	300	16	for	for	IN
39	300	17	communication	communication	NN
39	300	18	.	.	.
39	301	1	-15-	-15-	:
39	301	2	A	a	DT
39	301	3	group	group	NN
39	301	4	may	may	MD
39	301	5	apply	apply	VB
39	301	6	for	for	IN
39	301	7	its	-PRON-	PRP$
39	301	8	own	own	JJ
39	301	9	domain	domain	NN
39	301	10	name	name	NN
39	301	11	(	(	-LRB-
39	301	12	like	like	UH
39	301	13	'	'	``
39	301	14	uiuc	uiuc	NN
39	301	15	'	'	''
39	301	16	above	above	RB
39	301	17	)	)	-RRB-
39	301	18	.	.	.
39	302	1	This	this	DT
39	302	2	is	be	VBZ
39	302	3	done	do	VBN
39	302	4	in	in	IN
39	302	5	a	a	DT
39	302	6	manner	manner	NN
39	302	7	similar	similar	JJ
39	302	8	to	to	IN
39	302	9	the	the	DT
39	302	10	IP	IP	NNP
39	302	11	address	address	NN
39	302	12	allocation	allocation	NN
39	302	13	.	.	.
39	303	1	The	the	DT
39	303	2	only	only	JJ
39	303	3	requirements	requirement	NNS
39	303	4	are	be	VBP
39	303	5	that	that	IN
39	303	6	the	the	DT
39	303	7	requestor	requestor	NN
39	303	8	have	have	VBP
39	303	9	two	two	CD
39	303	10	machines	machine	NNS
39	303	11	reachable	reachable	JJ
39	303	12	from	from	IN
39	303	13	the	the	DT
39	303	14	Internet	internet	NN
39	303	15	,	,	,
39	303	16	which	which	WDT
39	303	17	will	will	MD
39	303	18	act	act	VB
39	303	19	as	as	IN
39	303	20	name	name	NN
39	303	21	servers	server	NNS
39	303	22	for	for	IN
39	303	23	that	that	DT
39	303	24	domain	domain	NN
39	303	25	.	.	.
39	304	1	Those	those	DT
39	304	2	servers	server	NNS
39	304	3	could	could	MD
39	304	4	also	also	RB
39	304	5	act	act	VB
39	304	6	as	as	IN
39	304	7	servers	server	NNS
39	304	8	for	for	IN
39	304	9	subdomains	subdomain	NNS
39	304	10	or	or	CC
39	304	11	other	other	JJ
39	304	12	servers	server	NNS
39	304	13	could	could	MD
39	304	14	be	be	VB
39	304	15	designated	designate	VBN
39	304	16	as	as	IN
39	304	17	such	such	JJ
39	304	18	.	.	.
39	305	1	Note	note	VB
39	305	2	that	that	IN
39	305	3	the	the	DT
39	305	4	servers	server	NNS
39	305	5	need	nee	MD
39	305	6	not	not	RB
39	305	7	be	be	VB
39	305	8	located	locate	VBN
39	305	9	in	in	IN
39	305	10	any	any	DT
39	305	11	particular	particular	JJ
39	305	12	place	place	NN
39	305	13	,	,	,
39	305	14	as	as	RB
39	305	15	long	long	RB
39	305	16	as	as	IN
39	305	17	they	-PRON-	PRP
39	305	18	are	be	VBP
39	305	19	reach-	reach-	VBN
39	305	20	able	able	JJ
39	305	21	for	for	IN
39	305	22	name	name	NN
39	305	23	resolution	resolution	NN
39	305	24	.	.	.
39	306	1	(	(	-LRB-
39	306	2	U	u	NN
39	306	3	of	of	IN
39	306	4	I	-PRON-	PRP
39	306	5	could	could	MD
39	306	6	ask	ask	VB
39	306	7	Michigan	Michigan	NNP
39	306	8	State	State	NNP
39	306	9	to	to	TO
39	306	10	act	act	VB
39	306	11	on	on	IN
39	306	12	its	-PRON-	PRP$
39	306	13	behalf	behalf	NN
39	306	14	and	and	CC
39	306	15	that	that	DT
39	306	16	would	would	MD
39	306	17	be	be	VB
39	306	18	fine	fine	JJ
39	306	19	)	)	-RRB-
39	306	20	.	.	.
39	307	1	The	the	DT
39	307	2	biggest	big	JJS
39	307	3	problem	problem	NN
39	307	4	is	be	VBZ
39	307	5	that	that	IN
39	307	6	someone	someone	NN
39	307	7	must	must	MD
39	307	8	do	do	VB
39	307	9	maintenance	maintenance	NN
39	307	10	on	on	IN
39	307	11	the	the	DT
39	307	12	database	database	NN
39	307	13	.	.	.
39	308	1	If	if	IN
39	308	2	the	the	DT
39	308	3	machine	machine	NN
39	308	4	is	be	VBZ
39	308	5	not	not	RB
39	308	6	convenient	convenient	JJ
39	308	7	,	,	,
39	308	8	that	that	DT
39	308	9	might	may	MD
39	308	10	not	not	RB
39	308	11	be	be	VB
39	308	12	done	do	VBN
39	308	13	in	in	IN
39	308	14	a	a	DT
39	308	15	timely	timely	JJ
39	308	16	fashion	fashion	NN
39	308	17	.	.	.
39	309	1	The	the	DT
39	309	2	other	other	JJ
39	309	3	thing	thing	NN
39	309	4	to	to	TO
39	309	5	note	note	VB
39	309	6	is	be	VBZ
39	309	7	that	that	IN
39	309	8	once	once	RB
39	309	9	the	the	DT
39	309	10	domain	domain	NN
39	309	11	is	be	VBZ
39	309	12	allocated	allocate	VBN
39	309	13	to	to	IN
39	309	14	an	an	DT
39	309	15	administrative	administrative	JJ
39	309	16	entity	entity	NN
39	309	17	,	,	,
39	309	18	that	that	DT
39	309	19	entity	entity	NN
39	309	20	can	can	MD
39	309	21	freely	freely	RB
39	309	22	allocate	allocate	VB
39	309	23	subdomains	subdomain	NNS
39	309	24	using	use	VBG
39	309	25	what	what	WP
39	309	26	ever	ever	RB
39	309	27	manner	manner	NN
39	309	28	it	-PRON-	PRP
39	309	29	sees	see	VBZ
39	309	30	fit	fit	JJ
39	309	31	.	.	.
39	310	1	The	the	DT
39	310	2	Berkeley	Berkeley	NNP
39	310	3	Internet	Internet	NNP
39	310	4	Name	name	NN
39	310	5	Domain	Domain	NNP
39	310	6	(	(	-LRB-
39	310	7	BIND	BIND	NNP
39	310	8	)	)	-RRB-
39	310	9	Server	server	NN
39	310	10	implements	implement	VBZ
39	310	11	the	the	DT
39	310	12	Internet	internet	NN
39	310	13	name	name	NN
39	310	14	server	server	NN
39	310	15	for	for	IN
39	310	16	UNIX	UNIX	NNP
39	310	17	systems	system	NNS
39	310	18	.	.	.
39	311	1	The	the	DT
39	311	2	name	name	NN
39	311	3	server	server	NN
39	311	4	is	be	VBZ
39	311	5	a	a	DT
39	311	6	distributed	distribute	VBN
39	311	7	data	data	NN
39	311	8	base	base	NN
39	311	9	system	system	NN
39	311	10	that	that	WDT
39	311	11	allows	allow	VBZ
39	311	12	clients	client	NNS
39	311	13	to	to	TO
39	311	14	name	name	VB
39	311	15	resources	resource	NNS
39	311	16	and	and	CC
39	311	17	to	to	TO
39	311	18	share	share	VB
39	311	19	that	that	DT
39	311	20	information	information	NN
39	311	21	with	with	IN
39	311	22	other	other	JJ
39	311	23	net-	net-	NN
39	311	24	work	work	NN
39	311	25	hosts	host	NNS
39	311	26	.	.	.
39	312	1	BIND	BIND	NNP
39	312	2	is	be	VBZ
39	312	3	integrated	integrate	VBN
39	312	4	with	with	IN
39	312	5	4.3BSD	4.3bsd	CD
39	312	6	and	and	CC
39	312	7	is	be	VBZ
39	312	8	used	use	VBN
39	312	9	to	to	IN
39	312	10	lookup	lookup	VB
39	312	11	and	and	CC
39	312	12	store	store	VB
39	312	13	host	host	NN
39	312	14	names	name	NNS
39	312	15	,	,	,
39	312	16	addresses	address	NNS
39	312	17	,	,	,
39	312	18	mail	mail	NN
39	312	19	agents	agent	NNS
39	312	20	,	,	,
39	312	21	host	host	NN
39	312	22	information	information	NN
39	312	23	,	,	,
39	312	24	and	and	CC
39	312	25	more	more	JJR
39	312	26	.	.	.
39	313	1	It	-PRON-	PRP
39	313	2	replaces	replace	VBZ
39	313	3	the	the	DT
39	313	4	"	"	``
39	313	5	/etc	/etc	NNS
39	313	6	/	/	SYM
39	313	7	hosts	host	NNS
39	313	8	"	"	``
39	313	9	file	file	NN
39	313	10	for	for	IN
39	313	11	host	host	NN
39	313	12	name	name	NN
39	313	13	lookup	lookup	NN
39	313	14	.	.	.
39	314	1	BIND	BIND	NNP
39	314	2	is	be	VBZ
39	314	3	still	still	RB
39	314	4	an	an	DT
39	314	5	evolving	evolve	VBG
39	314	6	program	program	NN
39	314	7	.	.	.
39	315	1	To	to	TO
39	315	2	keep	keep	VB
39	315	3	up	up	RP
39	315	4	with	with	IN
39	315	5	reports	report	NNS
39	315	6	on	on	IN
39	315	7	operational	operational	JJ
39	315	8	problems	problem	NNS
39	315	9	,	,	,
39	315	10	future	future	JJ
39	315	11	design	design	NN
39	315	12	decisions	decision	NNS
39	315	13	,	,	,
39	315	14	etc	etc	FW
39	315	15	,	,	,
39	315	16	join	join	VBP
39	315	17	the	the	DT
39	315	18	BIND	BIND	NNP
39	315	19	mailing	mailing	NN
39	315	20	list	list	NN
39	315	21	by	by	IN
39	315	22	sending	send	VBG
39	315	23	a	a	DT
39	315	24	request	request	NN
39	315	25	to	to	TO
39	315	26	"	"	``
39	315	27	bind	bind	VB
39	315	28	-	-	HYPH
39	315	29	request@ucbarp	request@ucbarp	CD
39	315	30	.	.	.
39	315	31	Berkeley	Berkeley	NNP
39	315	32	.	.	.
39	315	33	EDU	EDU	NNP
39	315	34	"	"	''
39	315	35	.	.	.
39	316	1	BIND	BIND	NNP
39	316	2	can	can	MD
39	316	3	also	also	RB
39	316	4	be	be	VB
39	316	5	obtained	obtain	VBN
39	316	6	via	via	IN
39	316	7	anonymous	anonymous	JJ
39	316	8	FTP	FTP	NNP
39	316	9	from	from	IN
39	316	10	ucbarpa.berkley.edu	ucbarpa.berkley.edu	NNS
39	316	11	.	.	.
39	317	1	There	there	EX
39	317	2	are	be	VBP
39	317	3	several	several	JJ
39	317	4	advantages	advantage	NNS
39	317	5	in	in	IN
39	317	6	using	use	VBG
39	317	7	BIND	BIND	NNP
39	317	8	.	.	.
39	318	1	One	one	CD
39	318	2	of	of	IN
39	318	3	the	the	DT
39	318	4	most	most	RBS
39	318	5	important	important	JJ
39	318	6	is	be	VBZ
39	318	7	that	that	IN
39	318	8	it	-PRON-	PRP
39	318	9	frees	free	VBZ
39	318	10	a	a	DT
39	318	11	host	host	NN
39	318	12	from	from	IN
39	318	13	relying	rely	VBG
39	318	14	on	on	IN
39	318	15	"	"	``
39	318	16	/etc	/etc	NNS
39	318	17	/	/	SYM
39	318	18	hosts	host	NNS
39	318	19	"	"	``
39	318	20	being	be	VBG
39	318	21	up	up	IN
39	318	22	to	to	IN
39	318	23	date	date	NN
39	318	24	and	and	CC
39	318	25	complete	complete	JJ
39	318	26	.	.	.
39	319	1	Within	within	IN
39	319	2	the	the	DT
39	319	3	.uiuc.edu	.uiuc.edu	NN
39	319	4	domain	domain	NN
39	319	5	,	,	,
39	319	6	only	only	RB
39	319	7	a	a	DT
39	319	8	few	few	JJ
39	319	9	hosts	host	NNS
39	319	10	are	be	VBP
39	319	11	included	include	VBN
39	319	12	in	in	IN
39	319	13	the	the	DT
39	319	14	host	host	NN
39	319	15	table	table	NN
39	319	16	distributed	distribute	VBN
39	319	17	by	by	IN
39	319	18	SRI	SRI	NNP
39	319	19	.	.	.
39	320	1	The	the	DT
39	320	2	remainder	remainder	NN
39	320	3	are	be	VBP
39	320	4	listed	list	VBN
39	320	5	locally	locally	RB
39	320	6	within	within	IN
39	320	7	the	the	DT
39	320	8	BIND	BIND	NNP
39	320	9	tables	table	NNS
39	320	10	on	on	IN
39	320	11	uxc.cso.uiuc.edu	uxc.cso.uiuc.edu	NNP
39	320	12	(	(	-LRB-
39	320	13	the	the	DT
39	320	14	server	server	NN
39	320	15	machine	machine	NN
39	320	16	for	for	IN
39	320	17	most	most	JJS
39	320	18	of	of	IN
39	320	19	the	the	DT
39	320	20	.uiuc.edu	.uiuc.edu	NN
39	320	21	domain	domain	NN
39	320	22	)	)	-RRB-
39	320	23	.	.	.
39	321	1	All	all	DT
39	321	2	are	be	VBP
39	321	3	equally	equally	RB
39	321	4	reachable	reachable	JJ
39	321	5	from	from	IN
39	321	6	any	any	DT
39	321	7	other	other	JJ
39	321	8	Internet	internet	NN
39	321	9	host	host	NN
39	321	10	running	run	VBG
39	321	11	BIND	BIND	NNP
39	321	12	.	.	.
39	322	1	BIND	BIND	NNP
39	322	2	can	can	MD
39	322	3	also	also	RB
39	322	4	provide	provide	VB
39	322	5	mail	mail	NN
39	322	6	forwarding	forward	VBG
39	322	7	information	information	NN
39	322	8	for	for	IN
39	322	9	inte-	inte-	NNP
39	322	10	rior	rior	NNP
39	322	11	hosts	host	NNS
39	322	12	not	not	RB
39	322	13	directly	directly	RB
39	322	14	reachable	reachable	JJ
39	322	15	from	from	IN
39	322	16	the	the	DT
39	322	17	Internet	internet	NN
39	322	18	.	.	.
39	323	1	These	these	DT
39	323	2	hosts	host	NNS
39	323	3	can	can	MD
39	323	4	either	either	CC
39	323	5	be	be	VB
39	323	6	on	on	IN
39	323	7	non	non	JJ
39	323	8	-	-	JJ
39	323	9	advertised	advertised	JJ
39	323	10	networks	network	NNS
39	323	11	,	,	,
39	323	12	or	or	CC
39	323	13	not	not	RB
39	323	14	con-	con-	NN
39	323	15	nected	necte	VBN
39	323	16	to	to	IN
39	323	17	a	a	DT
39	323	18	network	network	NN
39	323	19	at	at	RB
39	323	20	all	all	RB
39	323	21	,	,	,
39	323	22	as	as	IN
39	323	23	in	in	IN
39	323	24	the	the	DT
39	323	25	case	case	NN
39	323	26	of	of	IN
39	323	27	UUCP	UUCP	NNP
39	323	28	-	-	HYPH
39	323	29	reachable	reachable	JJ
39	323	30	hosts	host	NNS
39	323	31	.	.	.
39	324	1	More	More	JJR
39	324	2	information	information	NN
39	324	3	on	on	IN
39	324	4	BIND	BIND	NNP
39	324	5	is	be	VBZ
39	324	6	available	available	JJ
39	324	7	in	in	IN
39	324	8	the	the	DT
39	324	9	"	"	``
39	324	10	Name	Name	NNP
39	324	11	Server	Server	NNP
39	324	12	Operations	operation	NNS
39	324	13	Guide	Guide	NNP
39	324	14	for	for	IN
39	324	15	BIND	BIND	NNP
39	324	16	"	"	''
39	324	17	in	in	IN
39	324	18	"	"	``
39	324	19	UNIX	UNIX	NNP
39	324	20	System	System	NNP
39	324	21	Manager	Manager	NNP
39	324	22	's	's	POS
39	324	23	Manual	Manual	NNP
39	324	24	"	"	''
39	324	25	,	,	,
39	324	26	4.3BSD	4.3bsd	CD
39	324	27	release	release	NN
39	324	28	.	.	.
39	325	1	There	there	EX
39	325	2	are	be	VBP
39	325	3	a	a	DT
39	325	4	few	few	JJ
39	325	5	special	special	JJ
39	325	6	domains	domain	NNS
39	325	7	on	on	IN
39	325	8	the	the	DT
39	325	9	network	network	NN
39	325	10	,	,	,
39	325	11	like	like	IN
39	325	12	SRI-	SRI-	NNP
39	325	13	NIC.ARPA	NIC.ARPA	NNS
39	325	14	.	.	.
39	326	1	The	the	DT
39	326	2	'	'	``
39	326	3	arpa	arpa	NN
39	326	4	'	'	''
39	326	5	domain	domain	NN
39	326	6	is	be	VBZ
39	326	7	historical	historical	JJ
39	326	8	,	,	,
39	326	9	referring	refer	VBG
39	326	10	to	to	IN
39	326	11	hosts	host	NNS
39	326	12	registered	register	VBN
39	326	13	in	in	IN
39	326	14	the	the	DT
39	326	15	old	old	JJ
39	326	16	hosts	host	NNS
39	326	17	database	database	NN
39	326	18	at	at	IN
39	326	19	the	the	DT
39	326	20	NIC	NIC	NNP
39	326	21	.	.	.
39	327	1	There	there	EX
39	327	2	are	be	VBP
39	327	3	others	other	NNS
39	327	4	of	of	IN
39	327	5	the	the	DT
39	327	6	form	form	NN
39	327	7	NNSC.NSF.NET	NNSC.NSF.NET	NNP
39	327	8	.	.	.
39	328	1	These	these	DT
39	328	2	special	special	JJ
39	328	3	domains	domain	NNS
39	328	4	are	be	VBP
39	328	5	used	use	VBN
39	328	6	sparingly	sparingly	RB
39	328	7	and	and	CC
39	328	8	require	require	VB
39	328	9	ample	ample	JJ
39	328	10	justification	justification	NN
39	328	11	.	.	.
39	329	1	They	-PRON-	PRP
39	329	2	refer	refer	VBP
39	329	3	to	to	IN
39	329	4	servers	server	NNS
39	329	5	under	under	IN
39	329	6	the	the	DT
39	329	7	administrative	administrative	JJ
39	329	8	control	control	NN
39	329	9	of	of	IN
39	329	10	-16-	-16-	:
39	329	11	the	the	DT
39	329	12	network	network	NN
39	329	13	rather	rather	RB
39	329	14	than	than	IN
39	329	15	any	any	DT
39	329	16	single	single	JJ
39	329	17	organization	organization	NN
39	329	18	.	.	.
39	330	1	This	this	DT
39	330	2	allows	allow	VBZ
39	330	3	for	for	IN
39	330	4	the	the	DT
39	330	5	actual	actual	JJ
39	330	6	server	server	NN
39	330	7	to	to	TO
39	330	8	be	be	VB
39	330	9	moved	move	VBN
39	330	10	around	around	IN
39	330	11	the	the	DT
39	330	12	net	net	NN
39	330	13	while	while	IN
39	330	14	the	the	DT
39	330	15	user	user	NN
39	330	16	interface	interface	NN
39	330	17	to	to	IN
39	330	18	that	that	DT
39	330	19	machine	machine	NN
39	330	20	remains	remain	VBZ
39	330	21	constant	constant	JJ
39	330	22	.	.	.
39	331	1	That	that	RB
39	331	2	is	is	RB
39	331	3	,	,	,
39	331	4	should	should	MD
39	331	5	BBN	BBN	NNP
39	331	6	relinquish	relinquish	VB
39	331	7	control	control	NN
39	331	8	of	of	IN
39	331	9	the	the	DT
39	331	10	NNSC	NNSC	NNP
39	331	11	,	,	,
39	331	12	the	the	DT
39	331	13	new	new	JJ
39	331	14	provider	provider	NN
39	331	15	would	would	MD
39	331	16	be	be	VB
39	331	17	pointed	point	VBN
39	331	18	to	to	IN
39	331	19	by	by	IN
39	331	20	that	that	DT
39	331	21	name	name	NN
39	331	22	.	.	.
39	332	1	In	in	IN
39	332	2	actuality	actuality	NN
39	332	3	,	,	,
39	332	4	the	the	DT
39	332	5	domain	domain	NN
39	332	6	system	system	NN
39	332	7	is	be	VBZ
39	332	8	a	a	DT
39	332	9	much	much	RB
39	332	10	more	more	RBR
39	332	11	general	general	JJ
39	332	12	and	and	CC
39	332	13	complex	complex	JJ
39	332	14	system	system	NN
39	332	15	than	than	IN
39	332	16	has	have	VBZ
39	332	17	been	be	VBN
39	332	18	described	describe	VBN
39	332	19	.	.	.
39	333	1	Resolvers	resolver	NNS
39	333	2	and	and	CC
39	333	3	some	some	DT
39	333	4	servers	server	NNS
39	333	5	cache	cache	VBP
39	333	6	information	information	NN
39	333	7	to	to	TO
39	333	8	allow	allow	VB
39	333	9	steps	step	NNS
39	333	10	in	in	IN
39	333	11	the	the	DT
39	333	12	resolution	resolution	NN
39	333	13	to	to	TO
39	333	14	be	be	VB
39	333	15	skipped	skip	VBN
39	333	16	.	.	.
39	334	1	Information	information	NN
39	334	2	provided	provide	VBN
39	334	3	by	by	IN
39	334	4	the	the	DT
39	334	5	servers	server	NNS
39	334	6	can	can	MD
39	334	7	be	be	VB
39	334	8	arbitrary	arbitrary	JJ
39	334	9	,	,	,
39	334	10	not	not	RB
39	334	11	merely	merely	RB
39	334	12	IP	IP	NNP
39	334	13	addresses	address	NNS
39	334	14	.	.	.
39	335	1	This	this	DT
39	335	2	allows	allow	VBZ
39	335	3	the	the	DT
39	335	4	system	system	NN
39	335	5	to	to	TO
39	335	6	be	be	VB
39	335	7	used	use	VBN
39	335	8	both	both	CC
39	335	9	by	by	IN
39	335	10	non	non	JJ
39	335	11	-	-	JJ
39	335	12	IP	ip	JJ
39	335	13	networks	network	NNS
39	335	14	and	and	CC
39	335	15	for	for	IN
39	335	16	mail	mail	NN
39	335	17	,	,	,
39	335	18	where	where	WRB
39	335	19	it	-PRON-	PRP
39	335	20	may	may	MD
39	335	21	be	be	VB
39	335	22	necessary	necessary	JJ
39	335	23	to	to	TO
39	335	24	give	give	VB
39	335	25	information	information	NN
39	335	26	on	on	IN
39	335	27	intermediate	intermediate	JJ
39	335	28	mail	mail	NN
39	335	29	bridges	bridge	NNS
39	335	30	.	.	.
39	336	1	What	what	WP
39	336	2	's	be	VBZ
39	336	3	wrong	wrong	JJ
39	336	4	with	with	IN
39	336	5	Berkeley	Berkeley	NNP
39	336	6	Unix	Unix	NNP
39	336	7	University	University	NNP
39	336	8	of	of	IN
39	336	9	California	California	NNP
39	336	10	at	at	IN
39	336	11	Berkeley	Berkeley	NNP
39	336	12	has	have	VBZ
39	336	13	been	be	VBN
39	336	14	funded	fund	VBN
39	336	15	by	by	IN
39	336	16	DARPA	DARPA	NNP
39	336	17	to	to	TO
39	336	18	modify	modify	VB
39	336	19	the	the	DT
39	336	20	Unix	Unix	NNP
39	336	21	system	system	NN
39	336	22	in	in	IN
39	336	23	a	a	DT
39	336	24	number	number	NN
39	336	25	of	of	IN
39	336	26	ways	way	NNS
39	336	27	.	.	.
39	337	1	Included	include	VBN
39	337	2	in	in	IN
39	337	3	these	these	DT
39	337	4	modifications	modification	NNS
39	337	5	is	be	VBZ
39	337	6	support	support	NN
39	337	7	for	for	IN
39	337	8	the	the	DT
39	337	9	Internet	internet	NN
39	337	10	protocols	protocol	NNS
39	337	11	.	.	.
39	338	1	In	in	IN
39	338	2	earlier	early	JJR
39	338	3	versions	version	NNS
39	338	4	(	(	-LRB-
39	338	5	e.g.	e.g.	RB
39	339	1	BSD	BSD	NNP
39	339	2	4.2	4.2	CD
39	339	3	)	)	-RRB-
39	339	4	there	there	EX
39	339	5	was	be	VBD
39	339	6	good	good	JJ
39	339	7	support	support	NN
39	339	8	for	for	IN
39	339	9	the	the	DT
39	339	10	basic	basic	JJ
39	339	11	Internet	internet	NN
39	339	12	protocols	protocol	NNS
39	339	13	(	(	-LRB-
39	339	14	TCP	TCP	NNP
39	339	15	,	,	,
39	339	16	IP	IP	NNP
39	339	17	,	,	,
39	339	18	SMTP	SMTP	NNP
39	339	19	,	,	,
39	339	20	ARP	ARP	NNP
39	339	21	)	)	-RRB-
39	339	22	which	which	WDT
39	339	23	allowed	allow	VBD
39	339	24	it	-PRON-	PRP
39	339	25	to	to	TO
39	339	26	perform	perform	VB
39	339	27	nicely	nicely	RB
39	339	28	on	on	IN
39	339	29	IP	IP	NNP
39	339	30	ether-	ether-	NN
39	339	31	nets	net	NNS
39	339	32	and	and	CC
39	339	33	smaller	small	JJR
39	339	34	Internets	internet	NNS
39	339	35	.	.	.
39	340	1	There	there	EX
39	340	2	were	be	VBD
39	340	3	deficiencies	deficiency	NNS
39	340	4	,	,	,
39	340	5	how-	how-	RB
39	340	6	ever	ever	RB
39	340	7	,	,	,
39	340	8	when	when	WRB
39	340	9	it	-PRON-	PRP
39	340	10	was	be	VBD
39	340	11	connected	connect	VBN
39	340	12	to	to	IN
39	340	13	complicated	complicated	JJ
39	340	14	networks	network	NNS
39	340	15	.	.	.
39	341	1	Most	Most	JJS
39	341	2	of	of	IN
39	341	3	these	these	DT
39	341	4	problems	problem	NNS
39	341	5	have	have	VBP
39	341	6	been	be	VBN
39	341	7	resolved	resolve	VBN
39	341	8	under	under	IN
39	341	9	the	the	DT
39	341	10	newest	new	JJS
39	341	11	release	release	NN
39	341	12	(	(	-LRB-
39	341	13	BSD	BSD	NNP
39	341	14	4.3	4.3	CD
39	341	15	)	)	-RRB-
39	341	16	.	.	.
39	342	1	Since	since	IN
39	342	2	it	-PRON-	PRP
39	342	3	is	be	VBZ
39	342	4	the	the	DT
39	342	5	springboard	springboard	NN
39	342	6	from	from	IN
39	342	7	which	which	WDT
39	342	8	many	many	JJ
39	342	9	vendors	vendor	NNS
39	342	10	have	have	VBP
39	342	11	launched	launch	VBN
39	342	12	Unix	Unix	NNP
39	342	13	implementations	implementation	NNS
39	342	14	(	(	-LRB-
39	342	15	either	either	CC
39	342	16	by	by	IN
39	342	17	porting	port	VBG
39	342	18	the	the	DT
39	342	19	existing	exist	VBG
39	342	20	code	code	NN
39	342	21	or	or	CC
39	342	22	by	by	IN
39	342	23	using	use	VBG
39	342	24	it	-PRON-	PRP
39	342	25	as	as	IN
39	342	26	a	a	DT
39	342	27	model	model	NN
39	342	28	)	)	-RRB-
39	342	29	,	,	,
39	342	30	many	many	JJ
39	342	31	implementations	implementation	NNS
39	342	32	(	(	-LRB-
39	342	33	e.g.	e.g.	RB
39	343	1	Ultrix	Ultrix	NNP
39	343	2	)	)	-RRB-
39	343	3	are	be	VBP
39	343	4	still	still	RB
39	343	5	based	base	VBN
39	343	6	on	on	IN
39	343	7	BSD	BSD	NNP
39	343	8	4.2	4.2	CD
39	343	9	.	.	.
39	344	1	Therefore	therefore	RB
39	344	2	,	,	,
39	344	3	many	many	JJ
39	344	4	implementations	implementation	NNS
39	344	5	still	still	RB
39	344	6	exist	exist	VBP
39	344	7	with	with	IN
39	344	8	the	the	DT
39	344	9	BSD	BSD	NNP
39	344	10	4.2	4.2	CD
39	344	11	problems	problem	NNS
39	344	12	.	.	.
39	345	1	As	as	IN
39	345	2	time	time	NN
39	345	3	goes	go	VBZ
39	345	4	on	on	RP
39	345	5	,	,	,
39	345	6	when	when	WRB
39	345	7	BSD	BSD	NNP
39	345	8	4.3	4.3	CD
39	345	9	trickles	trickle	NNS
39	345	10	through	through	IN
39	345	11	vendors	vendor	NNS
39	345	12	as	as	IN
39	345	13	new	new	JJ
39	345	14	release	release	NN
39	345	15	,	,	,
39	345	16	many	many	JJ
39	345	17	of	of	IN
39	345	18	the	the	DT
39	345	19	problems	problem	NNS
39	345	20	will	will	MD
39	345	21	be	be	VB
39	345	22	resolved	resolve	VBN
39	345	23	.	.	.
39	346	1	Following	follow	VBG
39	346	2	is	be	VBZ
39	346	3	a	a	DT
39	346	4	list	list	NN
39	346	5	of	of	IN
39	346	6	some	some	DT
39	346	7	problem	problem	NN
39	346	8	scenarios	scenario	NNS
39	346	9	and	and	CC
39	346	10	their	-PRON-	PRP$
39	346	11	handling	handling	NN
39	346	12	under	under	IN
39	346	13	each	each	DT
39	346	14	of	of	IN
39	346	15	these	these	DT
39	346	16	releases	release	NNS
39	346	17	.	.	.
39	347	1	ICMP	ICMP	NNP
39	347	2	redirects	redirect	VBZ
39	347	3	Under	under	IN
39	347	4	the	the	DT
39	347	5	Internet	internet	NN
39	347	6	model	model	NN
39	347	7	,	,	,
39	347	8	all	all	PDT
39	347	9	a	a	DT
39	347	10	system	system	NN
39	347	11	needs	need	VBZ
39	347	12	to	to	TO
39	347	13	know	know	VB
39	347	14	to	to	TO
39	347	15	get	get	VB
39	347	16	anywhere	anywhere	RB
39	347	17	in	in	IN
39	347	18	the	the	DT
39	347	19	Internet	internet	NN
39	347	20	is	be	VBZ
39	347	21	its	-PRON-	PRP$
39	347	22	own	own	JJ
39	347	23	address	address	NN
39	347	24	,	,	,
39	347	25	the	the	DT
39	347	26	address	address	NN
39	347	27	of	of	IN
39	347	28	where	where	WRB
39	347	29	it	-PRON-	PRP
39	347	30	wants	want	VBZ
39	347	31	to	to	TO
39	347	32	go	go	VB
39	347	33	,	,	,
39	347	34	and	and	CC
39	347	35	how	how	WRB
39	347	36	to	to	TO
39	347	37	reach	reach	VB
39	347	38	a	a	DT
39	347	39	gateway	gateway	NN
39	347	40	which	which	WDT
39	347	41	knows	know	VBZ
39	347	42	about	about	IN
39	347	43	the	the	DT
39	347	44	Internet	internet	NN
39	347	45	.	.	.
39	348	1	It	-PRON-	PRP
39	348	2	does	do	VBZ
39	348	3	n't	not	RB
39	348	4	have	have	VB
39	348	5	to	to	TO
39	348	6	be	be	VB
39	348	7	the	the	DT
39	348	8	best	good	JJS
39	348	9	gateway	gateway	NN
39	348	10	.	.	.
39	349	1	If	if	IN
39	349	2	the	the	DT
39	349	3	system	system	NN
39	349	4	is	be	VBZ
39	349	5	on	on	IN
39	349	6	a	a	DT
39	349	7	network	network	NN
39	349	8	with	with	IN
39	349	9	multiple	multiple	JJ
39	349	10	gateways	gateway	NNS
39	349	11	,	,	,
39	349	12	and	and	CC
39	349	13	a	a	DT
39	349	14	host	host	NN
39	349	15	sends	send	VBZ
39	349	16	a	a	DT
39	349	17	packet	packet	NN
39	349	18	for	for	IN
39	349	19	delivery	delivery	NN
39	349	20	to	to	IN
39	349	21	a	a	DT
39	349	22	gateway	gateway	NN
39	349	23	which	which	WDT
39	349	24	feels	feel	VBZ
39	349	25	another	another	DT
39	349	26	directly	directly	RB
39	349	27	connected	connect	VBN
39	349	28	gateway	gateway	NN
39	349	29	is	be	VBZ
39	349	30	more	more	RBR
39	349	31	appropriate	appropriate	JJ
39	349	32	,	,	,
39	349	33	the	the	DT
39	349	34	gateway	gateway	NN
39	349	35	sends	send	VBZ
39	349	36	the	the	DT
39	349	37	sender	sender	NN
39	349	38	a	a	DT
39	349	39	message	message	NN
39	349	40	.	.	.
39	350	1	This	this	DT
39	350	2	message	message	NN
39	350	3	is	be	VBZ
39	350	4	an	an	DT
39	350	5	ICMP	icmp	NN
39	350	6	redirect	redirect	NN
39	350	7	,	,	,
39	350	8	which	which	WDT
39	350	9	politely	politely	RB
39	350	10	says	say	VBZ
39	350	11	"	"	``
39	350	12	I	-PRON-	PRP
39	350	13	'll	will	MD
39	350	14	deliver	deliver	VB
39	350	15	this	this	DT
39	350	16	message	message	NN
39	350	17	for	for	IN
39	350	18	you	-PRON-	PRP
39	350	19	,	,	,
39	350	20	but	but	CC
39	350	21	you	-PRON-	PRP
39	350	22	really	really	RB
39	350	23	ought	ought	MD
39	350	24	to	to	TO
39	350	25	use	use	VB
39	350	26	that	that	DT
39	350	27	gate-	gate-	NN
39	350	28	way	way	NN
39	350	29	over	over	IN
39	350	30	there	there	RB
39	350	31	to	to	TO
39	350	32	reach	reach	VB
39	350	33	this	this	DT
39	350	34	host	host	NN
39	350	35	"	"	''
39	350	36	.	.	.
39	351	1	BSD	BSD	NNP
39	351	2	4.2	4.2	CD
39	351	3	ignores	ignore	VBZ
39	351	4	these	these	DT
39	351	5	messages	message	NNS
39	351	6	.	.	.
39	352	1	This	this	DT
39	352	2	creates	create	VBZ
39	352	3	more	more	JJR
39	352	4	stress	stress	NN
39	352	5	on	on	IN
39	352	6	the	the	DT
39	352	7	gate-	gate-	NN
39	352	8	ways	way	NNS
39	352	9	and	and	CC
39	352	10	the	the	DT
39	352	11	local	local	JJ
39	352	12	network	network	NN
39	352	13	,	,	,
39	352	14	since	since	IN
39	352	15	for	for	IN
39	352	16	every	every	DT
39	352	17	packet	packet	NN
39	352	18	-17-	-17-	NN
39	352	19	sent	send	VBN
39	352	20	,	,	,
39	352	21	the	the	DT
39	352	22	gateway	gateway	NN
39	352	23	sends	send	VBZ
39	352	24	a	a	DT
39	352	25	packet	packet	NN
39	352	26	to	to	IN
39	352	27	the	the	DT
39	352	28	originator	originator	NN
39	352	29	.	.	.
39	353	1	BSD	BSD	NNP
39	353	2	4.3	4.3	CD
39	353	3	uses	use	VBZ
39	353	4	the	the	DT
39	353	5	redirect	redirect	NN
39	353	6	to	to	TO
39	353	7	update	update	VB
39	353	8	its	-PRON-	PRP$
39	353	9	routing	routing	NN
39	353	10	tables	table	NNS
39	353	11	,	,	,
39	353	12	will	will	MD
39	353	13	use	use	VB
39	353	14	the	the	DT
39	353	15	route	route	NN
39	353	16	until	until	IN
39	353	17	it	-PRON-	PRP
39	353	18	times	time	VBZ
39	353	19	out	out	RP
39	353	20	,	,	,
39	353	21	then	then	RB
39	353	22	revert	revert	VB
39	353	23	to	to	IN
39	353	24	the	the	DT
39	353	25	use	use	NN
39	353	26	of	of	IN
39	353	27	the	the	DT
39	353	28	route	route	NN
39	353	29	it	-PRON-	PRP
39	353	30	thinks	think	VBZ
39	353	31	is	be	VBZ
39	353	32	should	should	MD
39	353	33	use	use	VB
39	353	34	.	.	.
39	354	1	The	the	DT
39	354	2	whole	whole	JJ
39	354	3	process	process	NN
39	354	4	then	then	RB
39	354	5	repeats	repeat	VBZ
39	354	6	,	,	,
39	354	7	but	but	CC
39	354	8	it	-PRON-	PRP
39	354	9	is	be	VBZ
39	354	10	far	far	RB
39	354	11	better	well	JJR
39	354	12	than	than	IN
39	354	13	one	one	CD
39	354	14	per	per	IN
39	354	15	packet	packet	NN
39	354	16	.	.	.
39	355	1	Trailers	trailer	NNS
39	355	2	An	an	DT
39	355	3	application	application	NN
39	355	4	(	(	-LRB-
39	355	5	like	like	IN
39	355	6	FTP	FTP	NNP
39	355	7	)	)	-RRB-
39	355	8	sends	send	VBZ
39	355	9	a	a	DT
39	355	10	string	string	NN
39	355	11	of	of	IN
39	355	12	octets	octet	NNS
39	355	13	to	to	IN
39	355	14	TCP	TCP	NNP
39	355	15	which	which	WDT
39	355	16	breaks	break	VBZ
39	355	17	it	-PRON-	PRP
39	355	18	into	into	IN
39	355	19	chunks	chunk	NNS
39	355	20	,	,	,
39	355	21	and	and	CC
39	355	22	adds	add	VBZ
39	355	23	a	a	DT
39	355	24	TCP	TCP	NNP
39	355	25	header	header	NN
39	355	26	.	.	.
39	356	1	TCP	TCP	NNP
39	356	2	then	then	RB
39	356	3	sends	send	VBZ
39	356	4	blocks	block	NNS
39	356	5	of	of	IN
39	356	6	data	datum	NNS
39	356	7	to	to	IN
39	356	8	IP	IP	NNP
39	356	9	which	which	WDT
39	356	10	adds	add	VBZ
39	356	11	its	-PRON-	PRP$
39	356	12	own	own	JJ
39	356	13	headers	header	NNS
39	356	14	and	and	CC
39	356	15	ships	ship	NNS
39	356	16	the	the	DT
39	356	17	packets	packet	NNS
39	356	18	over	over	IN
39	356	19	the	the	DT
39	356	20	network	network	NN
39	356	21	.	.	.
39	357	1	All	all	PDT
39	357	2	this	this	DT
39	357	3	prepending	prepending	NN
39	357	4	of	of	IN
39	357	5	the	the	DT
39	357	6	data	datum	NNS
39	357	7	with	with	IN
39	357	8	headers	header	NNS
39	357	9	causes	cause	VBZ
39	357	10	memory	memory	NN
39	357	11	moves	move	NNS
39	357	12	in	in	IN
39	357	13	both	both	CC
39	357	14	the	the	DT
39	357	15	sending	sending	NN
39	357	16	and	and	CC
39	357	17	the	the	DT
39	357	18	receiving	receive	VBG
39	357	19	machines	machine	NNS
39	357	20	.	.	.
39	358	1	Someone	someone	NN
39	358	2	got	get	VBD
39	358	3	the	the	DT
39	358	4	bright	bright	JJ
39	358	5	idea	idea	NN
39	358	6	that	that	IN
39	358	7	if	if	IN
39	358	8	packets	packet	NNS
39	358	9	were	be	VBD
39	358	10	long	long	JJ
39	358	11	and	and	CC
39	358	12	they	-PRON-	PRP
39	358	13	stuck	stick	VBD
39	358	14	the	the	DT
39	358	15	headers	header	NNS
39	358	16	on	on	IN
39	358	17	the	the	DT
39	358	18	end	end	NN
39	358	19	(	(	-LRB-
39	358	20	they	-PRON-	PRP
39	358	21	became	become	VBD
39	358	22	trailers	trailer	NNS
39	358	23	)	)	-RRB-
39	358	24	,	,	,
39	358	25	the	the	DT
39	358	26	receiving	receive	VBG
39	358	27	machine	machine	NN
39	358	28	could	could	MD
39	358	29	put	put	VB
39	358	30	the	the	DT
39	358	31	packet	packet	NN
39	358	32	on	on	IN
39	358	33	the	the	DT
39	358	34	beginning	beginning	NN
39	358	35	of	of	IN
39	358	36	a	a	DT
39	358	37	page	page	NN
39	358	38	boundary	boundary	JJ
39	358	39	and	and	CC
39	358	40	if	if	IN
39	358	41	the	the	DT
39	358	42	trailer	trailer	NN
39	358	43	was	be	VBD
39	358	44	OK	ok	JJ
39	358	45	merely	merely	RB
39	358	46	delete	delete	VBP
39	358	47	it	-PRON-	PRP
39	358	48	and	and	CC
39	358	49	transfer	transfer	VB
39	358	50	control	control	NN
39	358	51	of	of	IN
39	358	52	the	the	DT
39	358	53	page	page	NN
39	358	54	with	with	IN
39	358	55	no	no	DT
39	358	56	memory	memory	NN
39	358	57	moves	move	NNS
39	358	58	involved	involve	VBN
39	358	59	.	.	.
39	359	1	The	the	DT
39	359	2	problem	problem	NN
39	359	3	is	be	VBZ
39	359	4	that	that	IN
39	359	5	trailers	trailer	NNS
39	359	6	were	be	VBD
39	359	7	never	never	RB
39	359	8	standardized	standardize	VBN
39	359	9	and	and	CC
39	359	10	most	most	JJS
39	359	11	gateways	gateway	NNS
39	359	12	do	do	VBP
39	359	13	n't	not	RB
39	359	14	know	know	VB
39	359	15	to	to	TO
39	359	16	look	look	VB
39	359	17	for	for	IN
39	359	18	the	the	DT
39	359	19	routing	route	VBG
39	359	20	information	information	NN
39	359	21	at	at	IN
39	359	22	the	the	DT
39	359	23	end	end	NN
39	359	24	of	of	IN
39	359	25	the	the	DT
39	359	26	block	block	NN
39	359	27	.	.	.
39	360	1	When	when	WRB
39	360	2	trailers	trailer	NNS
39	360	3	are	be	VBP
39	360	4	used	use	VBN
39	360	5	,	,	,
39	360	6	the	the	DT
39	360	7	machine	machine	NN
39	360	8	typically	typically	RB
39	360	9	works	work	VBZ
39	360	10	fine	fine	RB
39	360	11	on	on	IN
39	360	12	the	the	DT
39	360	13	local	local	JJ
39	360	14	network	network	NN
39	360	15	(	(	-LRB-
39	360	16	no	no	DT
39	360	17	gateways	gateway	NNS
39	360	18	involved	involve	VBN
39	360	19	)	)	-RRB-
39	360	20	and	and	CC
39	360	21	for	for	IN
39	360	22	short	short	JJ
39	360	23	blocks	block	NNS
39	360	24	through	through	IN
39	360	25	gateways	gateway	NNS
39	360	26	(	(	-LRB-
39	360	27	on	on	IN
39	360	28	which	which	WDT
39	360	29	trailers	trailer	NNS
39	360	30	are	be	VBP
39	360	31	n't	not	RB
39	360	32	used	use	VBN
39	360	33	)	)	-RRB-
39	360	34	.	.	.
39	361	1	So	so	RB
39	361	2	TELNET	TELNET	NNP
39	361	3	and	and	CC
39	361	4	FTP	FTP	NNP
39	361	5	's	's	POS
39	361	6	of	of	IN
39	361	7	very	very	RB
39	361	8	short	short	JJ
39	361	9	files	file	NNS
39	361	10	work	work	VBP
39	361	11	just	just	RB
39	361	12	fine	fine	RB
39	361	13	and	and	CC
39	361	14	FTP	FTP	NNP
39	361	15	's	's	POS
39	361	16	of	of	IN
39	361	17	long	long	JJ
39	361	18	files	file	NNS
39	361	19	seem	seem	VBP
39	361	20	to	to	TO
39	361	21	hang	hang	VB
39	361	22	.	.	.
39	362	1	On	on	IN
39	362	2	BSD	BSD	NNP
39	362	3	4.2	4.2	CD
39	362	4	trailers	trailer	NNS
39	362	5	are	be	VBP
39	362	6	a	a	DT
39	362	7	boot	boot	NN
39	362	8	option	option	NN
39	362	9	and	and	CC
39	362	10	one	one	PRP
39	362	11	should	should	MD
39	362	12	make	make	VB
39	362	13	sure	sure	JJ
39	362	14	they	-PRON-	PRP
39	362	15	are	be	VBP
39	362	16	off	off	RB
39	362	17	when	when	WRB
39	362	18	using	use	VBG
39	362	19	the	the	DT
39	362	20	Internet	internet	NN
39	362	21	.	.	.
39	363	1	BSD	BSD	NNP
39	363	2	4.3	4.3	CD
39	363	3	negotiates	negotiate	NNS
39	363	4	trailers	trailer	NNS
39	363	5	,	,	,
39	363	6	so	so	IN
39	363	7	it	-PRON-	PRP
39	363	8	uses	use	VBZ
39	363	9	them	-PRON-	PRP
39	363	10	on	on	IN
39	363	11	its	-PRON-	PRP$
39	363	12	local	local	JJ
39	363	13	net	net	NN
39	363	14	and	and	CC
39	363	15	does	do	VBZ
39	363	16	n't	not	RB
39	363	17	use	use	VB
39	363	18	them	-PRON-	PRP
39	363	19	when	when	WRB
39	363	20	going	go	VBG
39	363	21	across	across	IN
39	363	22	the	the	DT
39	363	23	network	network	NN
39	363	24	.	.	.
39	364	1	Retransmissions	retransmission	NNS
39	364	2	TCP	TCP	NNP
39	364	3	fires	fire	NNS
39	364	4	off	off	IN
39	364	5	blocks	block	NNS
39	364	6	to	to	IN
39	364	7	its	-PRON-	PRP$
39	364	8	partner	partner	NN
39	364	9	at	at	IN
39	364	10	the	the	DT
39	364	11	far	far	JJ
39	364	12	end	end	NN
39	364	13	of	of	IN
39	364	14	the	the	DT
39	364	15	connection	connection	NN
39	364	16	.	.	.
39	365	1	If	if	IN
39	365	2	it	-PRON-	PRP
39	365	3	does	do	VBZ
39	365	4	n't	not	RB
39	365	5	receive	receive	VB
39	365	6	an	an	DT
39	365	7	acknowledge-	acknowledge-	JJ
39	365	8	ment	ment	NN
39	365	9	in	in	IN
39	365	10	a	a	DT
39	365	11	reasonable	reasonable	JJ
39	365	12	amount	amount	NN
39	365	13	of	of	IN
39	365	14	time	time	NN
39	365	15	it	-PRON-	PRP
39	365	16	retransmits	retransmit	VBZ
39	365	17	the	the	DT
39	365	18	blocks	block	NNS
39	365	19	.	.	.
39	366	1	The	the	DT
39	366	2	determination	determination	NN
39	366	3	of	of	IN
39	366	4	what	what	WP
39	366	5	is	be	VBZ
39	366	6	reasonable	reasonable	JJ
39	366	7	is	be	VBZ
39	366	8	done	do	VBN
39	366	9	by	by	IN
39	366	10	TCP	TCP	NNP
39	366	11	's	's	POS
39	366	12	retransmission	retransmission	NN
39	366	13	algorithm	algorithm	NN
39	366	14	.	.	.
39	367	1	There	there	EX
39	367	2	is	be	VBZ
39	367	3	no	no	DT
39	367	4	correct	correct	JJ
39	367	5	algorithm	algorithm	NN
39	367	6	but	but	CC
39	367	7	some	some	DT
39	367	8	are	be	VBP
39	367	9	better	well	JJR
39	367	10	than	than	IN
39	367	11	others	other	NNS
39	367	12	,	,	,
39	367	13	where	where	WRB
39	367	14	better	well	JJR
39	367	15	is	be	VBZ
39	367	16	measured	measure	VBN
39	367	17	by	by	IN
39	367	18	the	the	DT
39	367	19	number	number	NN
39	367	20	of	of	IN
39	367	21	retransmis-	retransmis-	NN
39	367	22	sions	sion	NNS
39	367	23	done	do	VBN
39	367	24	unnecessarily	unnecessarily	RB
39	367	25	.	.	.
39	368	1	BSD	BSD	NNP
39	368	2	4.2	4.2	CD
39	368	3	had	have	VBD
39	368	4	a	a	DT
39	368	5	retransmission	retransmission	NN
39	368	6	algorithm	algorithm	NN
39	368	7	which	which	WDT
39	368	8	retransmitted	retransmit	VBD
39	368	9	quickly	quickly	RB
39	368	10	and	and	CC
39	368	11	often	often	RB
39	368	12	.	.	.
39	369	1	This	this	DT
39	369	2	is	be	VBZ
39	369	3	exactly	exactly	RB
39	369	4	what	what	WP
39	369	5	you	-PRON-	PRP
39	369	6	would	would	MD
39	369	7	want	want	VB
39	369	8	if	if	IN
39	369	9	you	-PRON-	PRP
39	369	10	had	have	VBD
39	369	11	a	a	DT
39	369	12	bunch	bunch	NN
39	369	13	of	of	IN
39	369	14	machines	machine	NNS
39	369	15	on	on	IN
39	369	16	an	an	DT
39	369	17	ethernet	ethernet	NN
39	369	18	(	(	-LRB-
39	369	19	a	a	DT
39	369	20	low	low	JJ
39	369	21	delay	delay	NN
39	369	22	network	network	NN
39	369	23	of	of	IN
39	369	24	large	large	JJ
39	369	25	bandwidth	bandwidth	NN
39	369	26	)	)	-RRB-
39	369	27	.	.	.
39	370	1	If	if	IN
39	370	2	you	-PRON-	PRP
39	370	3	have	have	VBP
39	370	4	a	a	DT
39	370	5	network	network	NN
39	370	6	of	of	IN
39	370	7	relatively	relatively	RB
39	370	8	longer	long	JJR
39	370	9	delay	delay	NN
39	370	10	and	and	CC
39	370	11	scarce	scarce	JJ
39	370	12	bandwidth	bandwidth	NNP
39	370	13	(	(	-LRB-
39	370	14	e.g.	e.g.	RB
39	371	1	56	56	CD
39	371	2	kb	kb	NN
39	371	3	lines	line	NNS
39	371	4	)	)	-RRB-
39	371	5	,	,	,
39	371	6	it	-PRON-	PRP
39	371	7	tends	tend	VBZ
39	371	8	to	to	TO
39	371	9	retransmit	retransmit	VB
39	371	10	too	too	RB
39	371	11	aggressively	aggressively	RB
39	371	12	.	.	.
39	372	1	Therefore	therefore	RB
39	372	2	,	,	,
39	372	3	it	-PRON-	PRP
39	372	4	makes	make	VBZ
39	372	5	the	the	DT
39	372	6	networks	network	NNS
39	372	7	and	and	CC
39	372	8	gateways	gateway	NNS
39	372	9	pass	pass	VBP
39	372	10	more	more	JJR
39	372	11	traffic	traffic	NN
39	372	12	than	than	IN
39	372	13	is	be	VBZ
39	372	14	really	really	RB
39	372	15	necessary	necessary	JJ
39	372	16	for	for	IN
39	372	17	a	a	DT
39	372	18	given	give	VBN
39	372	19	conversation	conversation	NN
39	372	20	.	.	.
39	373	1	Retransmis-	Retransmis-	NNP
39	373	2	sion	sion	NN
39	373	3	algorithms	algorithm	NNS
39	373	4	do	do	VBP
39	373	5	adapt	adapt	VB
39	373	6	to	to	IN
39	373	7	the	the	DT
39	373	8	delay	delay	NN
39	373	9	of	of	IN
39	373	10	the	the	DT
39	373	11	network	network	NN
39	373	12	-18-	-18-	:
39	373	13	after	after	IN
39	373	14	a	a	DT
39	373	15	few	few	JJ
39	373	16	packets	packet	NNS
39	373	17	,	,	,
39	373	18	but	but	CC
39	373	19	4.2	4.2	CD
39	373	20	's	's	POS
39	373	21	adapts	adapt	NNS
39	373	22	slowly	slowly	RB
39	373	23	in	in	IN
39	373	24	delay	delay	NN
39	373	25	situations	situation	NNS
39	373	26	.	.	.
39	374	1	BSD	BSD	NNP
39	374	2	4.3	4.3	CD
39	374	3	does	do	VBZ
39	374	4	a	a	DT
39	374	5	lot	lot	NN
39	374	6	better	well	JJR
39	374	7	and	and	CC
39	374	8	tries	try	VBZ
39	374	9	to	to	TO
39	374	10	do	do	VB
39	374	11	the	the	DT
39	374	12	best	good	JJS
39	374	13	for	for	IN
39	374	14	both	both	DT
39	374	15	worlds	world	NNS
39	374	16	.	.	.
39	375	1	It	-PRON-	PRP
39	375	2	fires	fire	VBZ
39	375	3	off	off	RP
39	375	4	a	a	DT
39	375	5	few	few	JJ
39	375	6	retransmissions	retransmission	NNS
39	375	7	really	really	RB
39	375	8	quickly	quickly	RB
39	375	9	assuming	assume	VBG
39	375	10	it	-PRON-	PRP
39	375	11	is	be	VBZ
39	375	12	on	on	IN
39	375	13	a	a	DT
39	375	14	low	low	JJ
39	375	15	delay	delay	NN
39	375	16	network	network	NN
39	375	17	,	,	,
39	375	18	and	and	CC
39	375	19	then	then	RB
39	375	20	backs	back	VBZ
39	375	21	off	off	RP
39	375	22	very	very	RB
39	375	23	quickly	quickly	RB
39	375	24	.	.	.
39	376	1	It	-PRON-	PRP
39	376	2	also	also	RB
39	376	3	allows	allow	VBZ
39	376	4	the	the	DT
39	376	5	delay	delay	NN
39	376	6	to	to	TO
39	376	7	be	be	VB
39	376	8	about	about	RB
39	376	9	4	4	CD
39	376	10	minutes	minute	NNS
39	376	11	before	before	IN
39	376	12	it	-PRON-	PRP
39	376	13	gives	give	VBZ
39	376	14	up	up	RP
39	376	15	and	and	CC
39	376	16	declares	declare	VBZ
39	376	17	the	the	DT
39	376	18	connection	connection	NN
39	376	19	broken	break	VBN
39	376	20	.	.	.
39	377	1	-19-	-19-	:
39	377	2	Appendix	Appendix	NNP
39	377	3	A	a	DT
39	377	4	References	References	NNPS
39	377	5	to	to	IN
39	377	6	Remedial	Remedial	NNP
39	377	7	Information	Information	NNP
39	377	8	Quaterman	Quaterman	NNP
39	377	9	and	and	CC
39	377	10	Hoskins	Hoskins	NNP
39	377	11	,	,	,
39	377	12	"	"	``
39	377	13	Notable	notable	JJ
39	377	14	Computer	Computer	NNP
39	377	15	Networks	Networks	NNPS
39	377	16	"	"	''
39	377	17	,	,	,
39	377	18	Communications	Communications	NNPS
39	377	19	of	of	IN
39	377	20	the	the	DT
39	377	21	ACM	ACM	NNP
39	377	22	,	,	,
39	377	23	Vol	Vol	NNP
39	377	24	29	29	CD
39	377	25	,	,	,
39	377	26	#	#	$
39	377	27	10	10	CD
39	377	28	,	,	,
39	377	29	pp	pp	NNP
39	377	30	.	.	.
39	378	1	932	932	CD
39	378	2	-	-	HYPH
39	378	3	971	971	CD
39	378	4	(	(	-LRB-
39	378	5	October	October	NNP
39	378	6	,	,	,
39	378	7	1986	1986	CD
39	378	8	)	)	-RRB-
39	378	9	.	.	.
39	379	1	Tannenbaum	Tannenbaum	NNP
39	379	2	,	,	,
39	379	3	Andrew	Andrew	NNP
39	379	4	S.	S.	NNP
39	379	5	,	,	,
39	379	6	Computer	Computer	NNP
39	379	7	Networks	Networks	NNPS
39	379	8	,	,	,
39	379	9	Prentice	Prentice	NNP
39	379	10	Hall	Hall	NNP
39	379	11	,	,	,
39	379	12	1981	1981	CD
39	379	13	.	.	.
39	380	1	Hedrick	Hedrick	NNP
39	380	2	,	,	,
39	380	3	Chuck	Chuck	NNP
39	380	4	,	,	,
39	380	5	Introduction	introduction	NN
39	380	6	to	to	IN
39	380	7	the	the	DT
39	380	8	Internet	Internet	NNP
39	380	9	Protocols	Protocols	NNP
39	380	10	,	,	,
39	380	11	Anonymous	Anonymous	NNP
39	380	12	FTP	FTP	NNP
39	380	13	from	from	IN
39	380	14	topaz.rutgers.edu	topaz.rutgers.edu	NNS
39	380	15	,	,	,
39	380	16	directory	directory	NN
39	380	17	pub	pub	NN
39	380	18	/	/	SYM
39	380	19	tcp	tcp	JJ
39	380	20	-	-	HYPH
39	380	21	ip	ip	NN
39	380	22	-	-	HYPH
39	380	23	docs	doc	NNS
39	380	24	,	,	,
39	380	25	file	file	NN
39	380	26	tcp-ip-intro.doc	tcp-ip-intro.doc	NNP
39	380	27	.	.	.
39	381	1	-20-	-20-	:
39	381	2	Appendix	Appendix	NNP
39	381	3	B	B	NNP
39	381	4	List	List	NNP
39	381	5	of	of	IN
39	381	6	Major	major	JJ
39	381	7	RFCs	RFCs	NNPS
39	381	8	RFC-768	RFC-768	NNP
39	381	9	User	User	NNP
39	381	10	Datagram	Datagram	NNP
39	381	11	Protocol	Protocol	NNP
39	381	12	(	(	-LRB-
39	381	13	UDP	UDP	NNP
39	381	14	)	)	-RRB-
39	381	15	RFC-791	rfc-791	VBP
39	381	16	Internet	Internet	NNP
39	381	17	Protocol	Protocol	NNP
39	381	18	(	(	-LRB-
39	381	19	IP	IP	NNP
39	381	20	)	)	-RRB-
39	381	21	RFC-792	RFC-792	VBD
39	381	22	Internet	Internet	NNP
39	381	23	Control	Control	NNP
39	381	24	Message	Message	NNP
39	381	25	Protocol	Protocol	NNP
39	381	26	(	(	-LRB-
39	381	27	ICMP	ICMP	NNP
39	381	28	)	)	-RRB-
39	381	29	RFC-793	RFC-793	NNP
39	381	30	Transmission	Transmission	NNP
39	381	31	Control	Control	NNP
39	381	32	Protocol	Protocol	NNP
39	381	33	(	(	-LRB-
39	381	34	TCP	TCP	NNP
39	381	35	)	)	-RRB-
39	381	36	RFC-821	RFC-821	NNP
39	381	37	Simple	Simple	NNP
39	381	38	Mail	Mail	NNP
39	381	39	Transfer	Transfer	NNP
39	381	40	Protocol	Protocol	NNP
39	381	41	(	(	-LRB-
39	381	42	SMTP	SMTP	NNP
39	381	43	)	)	-RRB-
39	381	44	RFC-822	rfc-822	VBP
39	381	45	Standard	standard	NN
39	381	46	for	for	IN
39	381	47	the	the	DT
39	381	48	Format	format	NN
39	381	49	of	of	IN
39	381	50	ARPA	ARPA	NNP
39	381	51	Internet	Internet	NNP
39	381	52	Text	text	NN
39	381	53	Messages	message	NNS
39	381	54	RFC-854	rfc-854	VBP
39	381	55	Telnet	Telnet	NNP
39	381	56	Protocol	Protocol	NNP
39	381	57	RFC-917	rfc-917	VB
39	381	58	*	*	NFP
39	381	59	Internet	internet	NN
39	381	60	Subnets	subnet	NNS
39	381	61	RFC-919	rfc-919	NN
39	381	62	*	*	NFP
39	381	63	Broadcasting	Broadcasting	NNP
39	381	64	Internet	internet	NN
39	381	65	Datagrams	datagram	NNS
39	381	66	RFC-922	rfc-922	RB
39	381	67	*	*	NFP
39	381	68	Broadcasting	Broadcasting	NNP
39	381	69	Internet	Internet	NNP
39	381	70	Datagrams	datagram	NNS
39	381	71	in	in	IN
39	381	72	the	the	DT
39	381	73	Presence	Presence	NNP
39	381	74	of	of	IN
39	381	75	Subnets	Subnets	NNPS
39	381	76	RFC-940	rfc-940	XX
39	381	77	*	*	NFP
39	381	78	Toward	toward	IN
39	381	79	an	an	DT
39	381	80	Internet	internet	NN
39	381	81	Standard	Standard	NNP
39	381	82	Scheme	Scheme	NNP
39	381	83	for	for	IN
39	381	84	Subnetting	subnette	VBG
39	381	85	RFC-947	rfc-947	PRP
39	381	86	*	*	NFP
39	381	87	Multi	multi	JJ
39	381	88	-	-	NN
39	381	89	network	network	NN
39	381	90	Broadcasting	Broadcasting	NNP
39	381	91	within	within	IN
39	381	92	the	the	DT
39	381	93	Internet	internet	NN
39	381	94	RFC-950	rfc-950	NN
39	381	95	*	*	NFP
39	381	96	Internet	internet	NN
39	381	97	Standard	Standard	NNP
39	381	98	Subnetting	Subnetting	NNP
39	381	99	Procedure	Procedure	NNP
39	381	100	RFC-959	RFC-959	NNP
39	381	101	File	File	NNP
39	381	102	Transfer	Transfer	NNP
39	381	103	Protocol	Protocol	NNP
39	381	104	(	(	-LRB-
39	381	105	FTP	FTP	NNP
39	381	106	)	)	-RRB-
39	381	107	RFC-966	rfc-966	UH
39	381	108	*	*	NFP
39	381	109	Host	Host	NNP
39	381	110	Groups	Groups	NNPS
39	381	111	:	:	:
39	381	112	A	a	DT
39	381	113	Multicast	Multicast	NNP
39	381	114	Extension	extension	NN
39	381	115	to	to	IN
39	381	116	the	the	DT
39	381	117	Internet	Internet	NNP
39	381	118	Protocol	Protocol	NNP
39	381	119	RFC-988	rfc-988	VB
39	381	120	*	*	NFP
39	381	121	Host	host	NN
39	381	122	Extensions	Extensions	NNPS
39	381	123	for	for	IN
39	381	124	IP	IP	NNP
39	381	125	Multicasting	Multicasting	NNP
39	381	126	RFC-997	rfc-997	NN
39	381	127	*	*	NFP
39	381	128	Internet	internet	NN
39	381	129	Numbers	Numbers	NNPS
39	381	130	RFC-1010	RFC-1010	NNP
39	381	131	*	*	NFP
39	381	132	Assigned	Assigned	NNP
39	381	133	Numbers	Numbers	NNPS
39	381	134	RFC-1011	RFC-1011	NNP
39	381	135	*	*	NFP
39	381	136	Official	official	JJ
39	381	137	ARPA	arpa	JJ
39	381	138	-	-	HYPH
39	381	139	Internet	Internet	NNP
39	381	140	Protocols	Protocols	NNP
39	381	141	RFC	RFC	NNP
39	381	142	's	's	POS
39	381	143	marked	mark	VBN
39	381	144	with	with	IN
39	381	145	the	the	DT
39	381	146	asterisk	asterisk	NN
39	381	147	(	(	-LRB-
39	381	148	*	*	NFP
39	381	149	)	)	-RRB-
39	381	150	are	be	VBP
39	381	151	not	not	RB
39	381	152	included	include	VBN
39	381	153	in	in	IN
39	381	154	the	the	DT
39	381	155	1985	1985	CD
39	381	156	DDN	DDN	NNP
39	381	157	Protocol	Protocol	NNP
39	381	158	Handbook	Handbook	NNP
39	381	159	.	.	.
39	382	1	Note	note	VB
39	382	2	:	:	:
39	382	3	This	this	DT
39	382	4	list	list	NN
39	382	5	is	be	VBZ
39	382	6	a	a	DT
39	382	7	portion	portion	NN
39	382	8	of	of	IN
39	382	9	a	a	DT
39	382	10	list	list	NN
39	382	11	of	of	IN
39	382	12	RFC	RFC	NNP
39	382	13	's	's	POS
39	382	14	by	by	IN
39	382	15	topic	topic	NN
39	382	16	retrieved	retrieve	VBD
39	382	17	from	from	IN
39	382	18	the	the	DT
39	382	19	NIC	NIC	NNP
39	382	20	under	under	IN
39	382	21	NETINFO	NETINFO	NNP
39	382	22	:	:	:
39	382	23	RFC	RFC	NNP
39	382	24	-	-	HYPH
39	382	25	SETS.TXT	SETS.TXT	NNP
39	382	26	(	(	-LRB-
39	382	27	anonymous	anonymous	JJ
39	382	28	FTP	FTP	NNP
39	382	29	of	of	IN
39	382	30	course	course	NN
39	382	31	)	)	-RRB-
39	382	32	.	.	.
39	383	1	The	the	DT
39	383	2	following	following	JJ
39	383	3	list	list	NN
39	383	4	is	be	VBZ
39	383	5	not	not	RB
39	383	6	necessary	necessary	JJ
39	383	7	for	for	IN
39	383	8	connection	connection	NN
39	383	9	to	to	IN
39	383	10	the	the	DT
39	383	11	Internet	internet	NN
39	383	12	,	,	,
39	383	13	but	but	CC
39	383	14	is	be	VBZ
39	383	15	useful	useful	JJ
39	383	16	in	in	IN
39	383	17	understanding	understand	VBG
39	383	18	the	the	DT
39	383	19	domain	domain	NN
39	383	20	system	system	NN
39	383	21	,	,	,
39	383	22	mail	mail	NN
39	383	23	system	system	NN
39	383	24	,	,	,
39	383	25	and	and	CC
39	383	26	gateways	gateway	NNS
39	383	27	:	:	:
39	383	28	RFC-882	RFC-882	NNP
39	383	29	Domain	Domain	NNP
39	383	30	Names	Names	NNPS
39	383	31	-	-	HYPH
39	383	32	Concepts	Concepts	NNPS
39	383	33	and	and	CC
39	383	34	Facilities	Facilities	NNPS
39	383	35	RFC-883	rfc-883	VBP
39	383	36	Domain	Domain	NNP
39	383	37	Names	Names	NNPS
39	383	38	-	-	HYPH
39	383	39	Implementation	implementation	NN
39	383	40	RFC-973	RFC-973	NNP
39	383	41	Domain	Domain	NNP
39	383	42	System	System	NNP
39	383	43	Changes	Changes	NNPS
39	383	44	and	and	CC
39	383	45	Observations	observation	NNS
39	383	46	RFC-974	RFC-974	NNP
39	383	47	Mail	Mail	NNP
39	383	48	Routing	Routing	NNP
39	383	49	and	and	CC
39	383	50	the	the	DT
39	383	51	Domain	Domain	NNP
39	383	52	System	System	NNP
39	383	53	RFC-1009	RFC-1009	NNP
39	383	54	Requirements	Requirements	NNPS
39	383	55	for	for	IN
39	383	56	Internet	Internet	NNP
39	383	57	Gateways	Gateways	NNP
39	383	58	-21-	-21-	:
39	383	59	Appendix	Appendix	NNP
39	383	60	C	C	NNP
39	383	61	Contact	Contact	NNP
39	383	62	Points	Points	NNPS
39	383	63	for	for	IN
39	383	64	Network	Network	NNP
39	383	65	Information	Information	NNP
39	383	66	Network	Network	NNP
39	383	67	Information	Information	NNP
39	383	68	Center	Center	NNP
39	383	69	(	(	-LRB-
39	383	70	NIC	NIC	NNP
39	383	71	)	)	-RRB-
39	383	72	DDN	DDN	NNP
39	383	73	Network	Network	NNP
39	383	74	Information	Information	NNP
39	383	75	Center	Center	NNP
39	383	76	SRI	SRI	NNP
39	383	77	International	International	NNP
39	383	78	,	,	,
39	383	79	Room	Room	NNP
39	383	80	EJ291	EJ291	NNP
39	383	81	333	333	CD
39	383	82	Ravenswood	Ravenswood	NNP
39	383	83	Avenue	Avenue	NNP
39	383	84	Menlo	Menlo	NNP
39	383	85	Park	Park	NNP
39	383	86	,	,	,
39	383	87	CA	CA	NNP
39	383	88	94025	94025	CD
39	383	89	(	(	-LRB-
39	383	90	800	800	CD
39	383	91	)	)	-RRB-
39	383	92	235	235	CD
39	383	93	-	-	SYM
39	383	94	3155	3155	CD
39	383	95	or	or	CC
39	383	96	(	(	-LRB-
39	383	97	415	415	CD
39	383	98	)	)	-RRB-
39	383	99	859	859	CD
39	383	100	-	-	HYPH
39	383	101	3695	3695	CD
39	383	102	NIC@SRI	NIC@SRI	NNP
39	383	103	-	-	HYPH
39	383	104	NIC.ARPA	nic.arpa	CD
39	383	105	NSF	NSF	NNP
39	383	106	Network	Network	NNP
39	383	107	Service	Service	NNP
39	383	108	Center	Center	NNP
39	383	109	(	(	-LRB-
39	383	110	NNSC	NNSC	NNP
39	383	111	)	)	-RRB-
39	383	112	NNSC	NNSC	NNP
39	383	113	BBN	BBN	NNP
39	383	114	Laboratories	Laboratories	NNPS
39	383	115	Inc.	Inc.	NNP
39	383	116	10	10	CD
39	383	117	Moulton	Moulton	NNP
39	383	118	St.	St.	NNP
39	383	119	Cambridge	Cambridge	NNP
39	383	120	,	,	,
39	383	121	MA	MA	NNP
39	383	122	02238	02238	CD
39	383	123	(	(	-LRB-
39	383	124	617	617	CD
39	383	125	)	)	-RRB-
39	383	126	497	497	CD
39	383	127	-	-	HYPH
39	383	128	3400	3400	CD
39	383	129	NNSC@NNSC.NSF.NET	NNSC@NNSC.NSF.NET	NNP
39	383	130	-22-	-22-	,
39	383	131	Glossary	glossary	JJ
39	383	132	core	core	NN
39	383	133	gateway	gateway	RB
39	383	134	The	the	DT
39	383	135	innermost	innermost	JJS
39	383	136	gateways	gateway	NNS
39	383	137	of	of	IN
39	383	138	the	the	DT
39	383	139	ARPAnet	arpanet	NN
39	383	140	.	.	.
39	384	1	These	these	DT
39	384	2	gateways	gateway	NNS
39	384	3	have	have	VBP
39	384	4	a	a	DT
39	384	5	total	total	JJ
39	384	6	picture	picture	NN
39	384	7	of	of	IN
39	384	8	the	the	DT
39	384	9	reacha-	reacha-	JJ
39	384	10	bility	bility	NN
39	384	11	to	to	IN
39	384	12	all	all	DT
39	384	13	networks	network	NNS
39	384	14	known	know	VBN
39	384	15	to	to	IN
39	384	16	the	the	DT
39	384	17	ARPAnet	arpanet	NN
39	384	18	with	with	IN
39	384	19	EGP	EGP	NNP
39	384	20	.	.	.
39	385	1	They	-PRON-	PRP
39	385	2	then	then	RB
39	385	3	redistribute	redistribute	VBP
39	385	4	reachabil-	reachabil-	VB
39	385	5	ity	ity	NN
39	385	6	information	information	NN
39	385	7	to	to	IN
39	385	8	all	all	PDT
39	385	9	those	those	DT
39	385	10	gateways	gateway	NNS
39	385	11	speak-	speak-	NN
39	385	12	ing	ing	NNP
39	385	13	EGP	EGP	NNP
39	385	14	.	.	.
39	386	1	It	-PRON-	PRP
39	386	2	is	be	VBZ
39	386	3	from	from	IN
39	386	4	them	-PRON-	PRP
39	386	5	your	-PRON-	PRP$
39	386	6	EGP	EGP	NNP
39	386	7	agent	agent	NN
39	386	8	(	(	-LRB-
39	386	9	there	there	EX
39	386	10	is	be	VBZ
39	386	11	one	one	CD
39	386	12	acting	act	VBG
39	386	13	for	for	IN
39	386	14	you	-PRON-	PRP
39	386	15	somewhere	somewhere	RB
39	386	16	if	if	IN
39	386	17	you	-PRON-	PRP
39	386	18	can	can	MD
39	386	19	reach	reach	VB
39	386	20	the	the	DT
39	386	21	ARPAnet	arpanet	NN
39	386	22	)	)	-RRB-
39	386	23	finds	find	VBZ
39	386	24	out	out	RP
39	386	25	it	-PRON-	PRP
39	386	26	can	can	MD
39	386	27	reach	reach	VB
39	386	28	all	all	PDT
39	386	29	the	the	DT
39	386	30	nets	net	NNS
39	386	31	on	on	IN
39	386	32	the	the	DT
39	386	33	ARPAnet	arpanet	NN
39	386	34	.	.	.
39	387	1	Which	which	WDT
39	387	2	is	be	VBZ
39	387	3	then	then	RB
39	387	4	passed	pass	VBN
39	387	5	to	to	IN
39	387	6	you	-PRON-	PRP
39	387	7	via	via	IN
39	387	8	Hello	hello	UH
39	387	9	,	,	,
39	387	10	gated	gate	VBD
39	387	11	,	,	,
39	387	12	RIP	RIP	NNP
39	387	13	....	....	NFP
39	387	14	count	count	NN
39	387	15	to	to	IN
39	387	16	infinity	infinity	NN
39	387	17	The	the	DT
39	387	18	symptom	symptom	NN
39	387	19	of	of	IN
39	387	20	a	a	DT
39	387	21	routing	route	VBG
39	387	22	problem	problem	NN
39	387	23	where	where	WRB
39	387	24	routing	route	VBG
39	387	25	information	information	NN
39	387	26	is	be	VBZ
39	387	27	passed	pass	VBN
39	387	28	in	in	IN
39	387	29	a	a	DT
39	387	30	circular	circular	JJ
39	387	31	manner	manner	NN
39	387	32	through	through	IN
39	387	33	multiple	multiple	JJ
39	387	34	gateways	gateway	NNS
39	387	35	.	.	.
39	388	1	Each	each	DT
39	388	2	gate-	gate-	NN
39	388	3	way	way	NN
39	388	4	increments	increment	VBZ
39	388	5	the	the	DT
39	388	6	metric	metric	NN
39	388	7	appropriately	appropriately	RB
39	388	8	and	and	CC
39	388	9	passes	pass	VBZ
39	388	10	it	-PRON-	PRP
39	388	11	on	on	RP
39	388	12	.	.	.
39	389	1	As	as	IN
39	389	2	the	the	DT
39	389	3	metric	metric	NN
39	389	4	is	be	VBZ
39	389	5	passed	pass	VBN
39	389	6	around	around	IN
39	389	7	the	the	DT
39	389	8	loop	loop	NN
39	389	9	,	,	,
39	389	10	it	-PRON-	PRP
39	389	11	increments	increment	VBZ
39	389	12	to	to	TO
39	389	13	ever	ever	RB
39	389	14	increasing	increase	VBG
39	389	15	values	value	NNS
39	389	16	til	til	IN
39	389	17	it	-PRON-	PRP
39	389	18	reaches	reach	VBZ
39	389	19	the	the	DT
39	389	20	maximum	maximum	NN
39	389	21	for	for	IN
39	389	22	the	the	DT
39	389	23	routing	route	VBG
39	389	24	protocol	protocol	NN
39	389	25	being	be	VBG
39	389	26	used	use	VBN
39	389	27	,	,	,
39	389	28	which	which	WDT
39	389	29	typically	typically	RB
39	389	30	denotes	denote	VBZ
39	389	31	a	a	DT
39	389	32	link	link	NN
39	389	33	outage	outage	NN
39	389	34	.	.	.
39	390	1	hold	hold	VB
39	390	2	down	down	RP
39	390	3	When	when	WRB
39	390	4	a	a	DT
39	390	5	router	router	NN
39	390	6	discovers	discover	VBZ
39	390	7	a	a	DT
39	390	8	path	path	NN
39	390	9	in	in	IN
39	390	10	the	the	DT
39	390	11	network	network	NN
39	390	12	has	have	VBZ
39	390	13	gone	go	VBN
39	390	14	down	down	RP
39	390	15	announcing	announce	VBG
39	390	16	that	that	IN
39	390	17	that	that	DT
39	390	18	path	path	NN
39	390	19	is	be	VBZ
39	390	20	down	down	RB
39	390	21	for	for	IN
39	390	22	a	a	DT
39	390	23	minimum	minimum	JJ
39	390	24	amount	amount	NN
39	390	25	of	of	IN
39	390	26	time	time	NN
39	390	27	(	(	-LRB-
39	390	28	usually	usually	RB
39	390	29	at	at	RB
39	390	30	least	least	RBS
39	390	31	two	two	CD
39	390	32	minutes	minute	NNS
39	390	33	)	)	-RRB-
39	390	34	.	.	.
39	391	1	This	this	DT
39	391	2	allows	allow	VBZ
39	391	3	for	for	IN
39	391	4	the	the	DT
39	391	5	pro-	pro-	NN
39	391	6	pagation	pagation	NN
39	391	7	of	of	IN
39	391	8	the	the	DT
39	391	9	routing	route	VBG
39	391	10	information	information	NN
39	391	11	across	across	IN
39	391	12	the	the	DT
39	391	13	network	network	NN
39	391	14	and	and	CC
39	391	15	prevents	prevent	VBZ
39	391	16	the	the	DT
39	391	17	formation	formation	NN
39	391	18	of	of	IN
39	391	19	routing	route	VBG
39	391	20	loops	loop	NNS
39	391	21	.	.	.
39	392	1	split	split	NN
39	392	2	horizon	horizon	NN
39	392	3	When	when	WRB
39	392	4	a	a	DT
39	392	5	router	router	NN
39	392	6	(	(	-LRB-
39	392	7	or	or	CC
39	392	8	group	group	NN
39	392	9	of	of	IN
39	392	10	routers	router	NNS
39	392	11	working	work	VBG
39	392	12	in	in	IN
39	392	13	consort	consort	NN
39	392	14	)	)	-RRB-
39	392	15	accept	accept	VB
39	392	16	routing	route	VBG
39	392	17	information	information	NN
39	392	18	from	from	IN
39	392	19	mul-	mul-	NNP
39	392	20	tiple	tiple	JJ
39	392	21	external	external	JJ
39	392	22	networks	network	NNS
39	392	23	,	,	,
39	392	24	but	but	CC
39	392	25	do	do	VBP
39	392	26	not	not	RB
39	392	27	pass	pass	VB
39	392	28	on	on	IN
39	392	29	information	information	NN
39	392	30	learned	learn	VBN
39	392	31	from	from	IN
39	392	32	one	one	CD
39	392	33	external	external	JJ
39	392	34	network	network	NN
39	392	35	to	to	IN
39	392	36	any	any	DT
39	392	37	others	other	NNS
39	392	38	.	.	.
39	393	1	This	this	DT
39	393	2	is	be	VBZ
39	393	3	an	an	DT
39	393	4	attempt	attempt	NN
39	393	5	to	to	TO
39	393	6	prevent	prevent	VB
39	393	7	bogus	bogus	JJ
39	393	8	routes	route	NNS
39	393	9	to	to	IN
39	393	10	a	a	DT
39	393	11	network	network	NN
39	393	12	from	from	IN
39	393	13	being	be	VBG
39	393	14	propagated	propagate	VBN
39	393	15	because	because	IN
39	393	16	of	of	IN
39	393	17	gossip	gossip	NN
39	393	18	or	or	CC
39	393	19	counting	counting	NN
39	393	20	to	to	IN
39	393	21	infinity	infinity	NN
39	393	22	.	.	.
39	394	1	-23-	-23-	XX