NetworkLab_13MCA381

8/10/2019 NetworkLab_13MCA381

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Computer Networks Laboratory 13MCA38

REVA INSTITUTE OFTECNOLO!" AN# MANA!EMENT

$att%&e'a(a))%* +a)a ob)%* "e)a(a'ka* ,a'&a)ore - ./0 0/

#epartme't o2 Master o2 ComputerApp)%at%o's

III Semester MCA

Laboratory Ma'ua)

Computer Networks Laboratory

13MCA38

#epartme't o2 MCA* E4IT* ,a'&)ore5/ 1


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Sub6et Co7e13MCA38 I9A Marks .0

ours:4eek 3 E;am Marks .0

Tota) ours < E;am ours 3

=art%u)ars o2 t(e E;per%me'ts =er2orme7C O N T E N T S

S)9=ro&rams

=a&e

No9 No9

4r%te a TCL Sr%pt to S%mu)ate t(e 'etwork 7esr%be7 be)ow

Co's%7er a sma)) 'etwork w%t( 2%>e 'o7es '0*'1*'e LAN %s to be o''ete7 to t(e I'ter'et9 A77 'o7e %'to t(e

'etwork so t(at %t at as t(e &ateway9 Co''et 'o7e 0 a'7 w%t( a 1

Mb w%re7 )%'k9 Mo>e t(e U#= soure to 'o7e 93 4r%te a TCL Sr%pt to s%mu)ate a F%)e Tra's2er 4%t( NSer9 4r%te a sr%pt to

s%mu)ate t(%s se'ar%o9 Let 'o7e 0 be t(e ser>er a'7 'o7e 1 be t(e )%e't9 TC= paket

s%e %s 1.00,9 Assume typ%a) >a)ues 2or ot(er parameters9

Note T(%s s%mu)at%o' reDu%re tra's2er o2 a 2%;e7 s%e 2%)e9 T(ere2ore* t%me reDu%re7 2or t(e

tra's2er wou)7 be o'sta't 2or a &%>e' ba'7w%7t( o2 a )%'k9 To >er%2y t(%s* 7eterm%'e t(e

t%me t(at wou)7 rou&()y be reDu%re7 2or t(e tra's2er9

Department of MCA, EWIT, Banglore-64 2


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T(e' )ook at t(e bottom o2 t(e trae 2%)e a'7 >er%2y w(et(er t(ere %s a'y

tra'sm%ss%o' beyo'7 t(e t%me a)u)ate79

To >er%2y t(at t(e )%e't (as 7ow')oa7e7 t(e e't%re 2%)e* p)ot t(e ,ytes Ree%>e7 ur>e 2or

'o7e 19 T(e y5a;%s %s %' $b%ts9 Co'>ert %t to M, a'7 >er%2y w(et(er %t appro;%mates t(e

spe%2%e7 2%)e s%e9 TC= (ea7ers wou)7 e22et%>e)y %'rease t(e ou't o2 ree%>e7 bytes at

'o7e 19

9 S%mu)at%'& )%'k errors

Co's%7er t(e 2o))ow%'& 'etwork 7%a&ram

0

ere 'o7e < at as a router9 A'y tra22% to or 2rom t(e LAN passes t(rou&( %t9 Co's%7er

'o7e 1 ru''%'& a FT= ser>er* a'7 'o7e . %s 7ow')oa7%'& a 2%)e o2 s%e M,9 owe>er*

t(e )%'k betwee' 'o7e < a'7 3 %s 2au)t9 It 7rops pakets w%t( a 2%;e7 probab%)%ty o2 09a)ues o2 t(e

s%mu)at%o' t%me to e'sure t(at t(e 2%)e (as bee' e't%re)y tra's2erre79 Is t(e p)ot o2 bytes

ree%>e7 a )%'ear ur>e or 'o'5)%'earB 4(yB=rese'e o2 )%'k errors ause o'e or more

pakets to be retra'sm%tte79 Ver%2y t(%s 2rom t(e =aket Retra'sm%ss%o's p)ot9

0. Measur%'& Network =er2orma'es ,ott)e'ek %' t(e 'etwork



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Co's%7er a 7umbbe)) topo)o&y w%t( e%&(t 'o7es as s(ow' as %' t(e 2o))ow%'& 2%&ure9

Co's%7er 'o7es < a'7 3 to be two routers o''et%'& two 7%22ere't 'etworks9 4(e' t(e

ba'7w%7t( o2 t(e )%'k a)ues o2 )%'k


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4r%te a TCL sr%pt to s%mu)ate t(e 2o))ow%'& se'ar%o w%t( 's< s%mu)ator9 Co's%7er s%;

'o7es* ?as s(ow' %' t(e 2%&ure be)ow@ mo>%'& w%t(%' a 2)at topo)o&y o2 00m ; 00m9 T(e

%'%t%a) pos%t%o's o2 'o7es are 0 ?1.0*300@ *1 ?300*.00@*< ?.00*.00@*3 ?300*100@*?.00*100@

a'7 .?/.0*300@ respet%>e)y9A TC= o''et%o' %s %'%t%ate7 betwee' 'o7e 0 ?soure@ a'7

'o7e . ?7est%'at%o'@ t(rou&( 'o7e 3 a'7 'o7e %9e t(e route %s 05355.9 At t%me t H 3

seo'7s t(e FT= app)%at%o' ru's o>er %t9 A2ter t%me tH90 se* 'o7e 3 ?300*100@ mo>es

towar7s 'o7e 1

/ ?300*.00@ w%t( a spee7 o2 .90m:sea'7 a2ter some t%me t(e pat( break* t(e' t(e 7ata tra'sm%t

w%t( a 'ew pat( >%a 'o7e 1 a'7 'o7e er

t(e e't%re t%me 7urat%o' o2 t(e s%mu)at%o'S%mu)ate a 'etwork w(%( w%)) reate o'&est%o' %' t(e 'etwork9 4%t( t(e trae

2%)e reate7 %7e't2y t(e po%'ts at w(%( o'&est%o' ours by wr%t%'& se7 : awk sr%pts9 A)sowr%te a me(a'%sm to orret:o'tro) t(e o'&est%o'9

08S%mu)ate a w%re7 'etwork a'7 7emo'strate #%sta'e Vetor Rout%'& a)&or%t(m 9

,a'7w%7t( s(ar%'& betwee' TC= a'7 U#=

Co's%7er t(e 7umbbe)) topo)o&y 2rom our pre>%ous e;er%se



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No7e 0 %s a TC= soure* a'7 t(e orrespo'7%'& s%'k %s at 'o7e /9 No7e 1 %s a U#=

soure ?C,R tra22%@ w%t( a 'u)) a&e't atta(e7 to 'o7e 9 T(ese two tra22% 2)ows t(rou&(

t(e ommo' )%'k es w(e' t(e rate o2 C,R tra22% %s (a'&e79

Set t(e TC= paket s%e to 1/0 ,9 T(e U#= a'7 C,R paket s%es are 1.00 ,9 A)) t(e

)%'ks %' t(e 'etwork (a>e same ba'7w%7t(s ?say* Mb@* 7e)ay a'7 Dueue types9

=art 1

J Set t(e %'%t%a) rate o2 C,R tra22% to 09. Mb9 Ru' t(e s%mu)at%o'* a'7 p)ot t(e ,ytes

Ree%>e7 by 'o7e s a'7 . ?s%'ks 2or TC= a'7 U#= tra22%@

J Now* %'reme't t(e rate up to Mb* t(e )%'k ba'7w%7t(* %' steps o2 09. Mb9 Ru' t(e

s%mu)at%o' a'7 p)ot t(e &rap(s a&a%'9

ow 7oes t(e &rap(s (a'&e a2ter ea( ru'B I' part%u)ar* w(atGs t(e 'ature o2 t(e

&rap(s w(e' t(e rate o2 C,R tra22% %s .0K o2 t(e ba'7w%7t(B

=art %our o2 U#=

J Re7ue t(e ba'7w%7t( o2 t(e )%'k e steps a'7 obser>e

t(e &rap(s %' t(%s ase9From t(e &rap(s p)otte7 obser>e (ow U#= oup%es a )ar&er

port%o' o2 t(e ba'7w%7t(9 ow 7oes t(e be(a>%our (a'&e 2or ot(er >ar%at%o's o2 TC=

?Newre'o* Ve&as@B



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INSTRUCTIONS TO COMPILE AND EXECUTE PROGRAMS

01 Type t(e pro&ram %' a'y e7%tor a'7 sa>e %t w%t( 9t) e;te't%o'02 Toomp%)e t(e pro&ram use 's 2%)e'ame9t)03 To o'strut t(e &rap( use ;&rap( 2%)e'ame9tr

0405



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1. Write a TCL Scrit t! Si"#$ate t%e &et'!r( )e*cri+e) +e$!'

C!&*i)er a *"a$$ &et'!r( 'it% ,i-e &!)e* &0&1&2&3 a&) &4 ,!r"i&/ a *tar t!!$!/. T%e &!)e &4 i* at

t%e ce&ter. N!)e &0 i* a TCP S!#rce '%ic% tra&*"it* !c(et* t! &3a TCP Si&( t%r!#/% t%e &!)e &4.

N!)e &1 i* a&!t%er Tra,,ic S!#rce a&) *e&)* UDP ac(et* t! N!)e &2 t%r!#/% &4. T%e )#rati!& !, t%e

*i"#$ati!& ti"e i* 10 Sec!&)*

set >a)?stop@ 1090 t%me o2 s%mu)at%o' e'7

Create a 's s%mu)ator

set 's 'ew S%mu)ator

's o)or 1 ,)ue

's o)or < Re7

Ope' t(e NS trae 2%)e set

trae2%)e ope' p19tr w 's

trae5a)) trae2%)e Ope' t(e

NAM trae 2%)e

set 'am2%)e ope' p19'am w 's

'amtrae5a)) 'am2%)e Create .

'o7es

set '0 's 'o7e

set '1 's 'o7e

set '< 's 'o7e

set '3 's 'o7e

set ' 's 'o7e

Create )abe)s 2or 'o7es '0

)abe) Tp Soure '3 )abe)

TpP#est%'at%o' '1 )abe)

U7p Soure '< )abe) U7p

#est%'at%o'

!%>e s(apes to 'o7es

'0 s(ape sDuare

'3 s(ape sDuare

' s(ape %r)e



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'1 s(ape (e;a&o' 'e rea7%'& w(e' Dueue o'te't %s .0K 's

7up)e;5)%'k5op ' '0 Dueue=os 09.

!%>e 'o7e pos%t%o' ?2or NAM@

's 7up)e;5)%'k5op ' '0 or%e't )e2t57ow' 's

7up)e;5)%'k5op '1 ' or%e't )e2t5up 's 7up)e;5

)%'k5op '3 ' or%e't )e2t57ow' 's 7up)e;5)%'k5op

'< ' or%e't r%&(t57ow'

Setup a TC= o''et%o' set

tp0 'ew A&e't:TC= 's

atta(5a&e't '0 tp0

set s%'k3 'ew A&e't:TC=S%'k

's atta(5a&e't '3 s%'k3 's

o''et tp0 s%'k3 tp0 set

paketS%eP 1000



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Setup a U#= o''et%o' set

u7p1 'ew A&e't:U#= 's

atta(5a&e't '1 u7p1 set

'u))< 'ew A&e't:Nu)) 's

atta(5a&e't '< 'u))< 's

o''et u7p1 'u))< u7p1 set

paketS%eP 1000

Ass%&' 2)ow5%7

tp0 set 2%7P 1

u7p1 set 2%7P er U#= o''et%o' set

br1 'ew App)%at%o':Tra22%:C,R

br1 atta(5a&e't u7p1

br1 set paketS%eP 1000

br1 set rateP


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's 2)us(5trae )ose

trae2%)e )ose

'am2%)e e;e 'am

p19'am e;%t 0

's at >a)?stop@ 's 'am5e'75w%re)ess >a)?stop@ 's at

>a)?stop@ 2%'%s(

's at >a)?stop@ puts 7o'e 's (a)t 's

ru'

OUT=UT

Department of MCA, EWIT, Banglore-64


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2.Setti&/ # a $!ca$ area &et'!r( 'it% &*2

I& t%i* eerci*e !# 'i$$ +e *i"#$ati&/ a CSMACD +a*e) LAN 'it% &*2. C!&*i)er t%e LAN 'it% *e-e&

&!)e* t! +e a& i*!$ate) !&e i.e. &!t c!&&ecte) t! t%e I&ter&et. N!)e 0 i& t%e LAN act a* a UDP tra,,ic

*!#rce a&) &!)e 6 i* t%e )e*ti&ati!& &!)e. A**#"e C7R tra,,ic t! +e ,$!'i&/ +et'ee& t%e &!)e*. T%e

*i"#$ati!& $a*t* ,!r 25 *ec!&)*. I& Et%er&et a ac(et i* +r!a)ca*te) i& t%e *%are) "e)i#" a&) !&$ t%e

)e*ti&ati!& &!)e accet* t%e ac(et. Ot%er &!)e* *i"$ )r! it. W%at *%!#$) +e t%e "+er !, %!* a

ac(et ,r!" &!)e 0 t! &!)e 6 tra-e$8

A))iti!&a$ Ta*(9

S#!*e t%e a+!-e LAN i* t! +e c!&&ecte) t! t%e I&ter&et. A)) &!)e : i&t! t%e &et'!r( *! t%at it act

a* t%e /ate'a. C!&&ect &!)e 0 a&) : 'it% a 1 M+ 'ire) $i&(. M!-e t%e UDP *!#rce t! &!)e :.

=ro&ram


's o)or 1 ,)ue

's o)or < Re7

set 'trae ope' pr&


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2or Q set % 0 Q% Q %'r % Q set '?%@

's 'o7e

'?0@ )abe) U7p Soure

'?/@ )abe) U7p S%'k

set )a' 's 'ewLa' '?0@ '?1@ '?


14/62


OUT=UT



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A77%t%o'a) Tasks



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3. Write a TCL Scrit t! *i"#$ate a ;i$e Tra&*,er Wit% NS2

C!&*i)er a C$ie&t a&) Ser-er. T%e Ser-er i* r#&&i&/ a ;TP A$icati!& O-er TCP. T%e C$ie&t *e&)* a

re


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Create )%'ks betwee' 'o7es

's 7up)e;5)%'k s 10Mb e7PatP)%e't 5; t%meP%'Pses 5y

bytesP%'Pbps

's at 0901 2tp0 start

's at 1.90 2tp0 stop



18/62


's at 1.91 2%'%s(

's ru'

Awk Sr%pt 2or 2%'7%'& t%me take' 2or 7ata tra'sm%ss%o'?p39awk@

A4$ sr%pt to a)u)ate t(e t%me reDu%re7 to tra's2er t(e 10 M, 2%)e 2rom t(e ser>er to )%e't ,E!IN Q

ou'tH0

t%meH0 tota)PbytesPse't

H0

tota)PbytesPree%>e7H0

Q

%2 ? 1 HH r HH 1 . HH tp@

tota)PbytesPree%>e7 ZH /

%2?1 HH Z 3 HH 0 . HH tp@

tota)PbytesPse't ZH /

EN# Q system?)ear@

pr%'t2?' Tra'sm%ss%o' t%me reDu%re7 to tra's2er t(e 2%)e %s K)2*e7 by t(e )%e't %s K)2 Mbps'*?tota)PbytesPree%>e7@:100000090@



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A4$ Sr%pt to a)u)ate amou't o2 7ata re%>e7 2or e>ery t%me %'ter>e)?p319awk@ ,E!IN Q

ou'tH0

t%meH0

Q

%2 ? 1 HH r HH 1 . HH tp@

Q

ou't ZH /

t%meH


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OUT=UT

Department of MCA, EWIT, Banglore-64 2!


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9 S%mu)at%'& )%'k errors

Co's%7er t(e 2o))ow%'& 'etwork 7%a&ram

ere 'o7e < at as a router9 A'y tra22% to or 2rom t(e LAN passes t(rou&( %t9 Co's%7er 'o7e 1 ru''%'& a FT=

ser>er* a'7 'o7e . %s 7ow')oa7%'& a 2%)e o2 s%e M,9 owe>er* t(e )%'k betwee' 'o7e < a'7 3 %s 2au)t9 It

7rops pakets w%t( a 2%;e7 probab%)%ty o2 09a)ues o2 t(e

s%mu)at%o' t%me to e'sure t(at t(e 2%)e (as bee' e't%re)y tra's2erre79 Is t(e p)ot o2 bytes ree%>e7 a )%'ear ur>e or

'o'5)%'earB 4(yB =rese'e o2 )%'k errors ause o'e or more pakets to be re5tra'sm%tte79 Ver%2y t(%s 2rom t(e

=aket Re5tra'sm%ss%o's p)ot9

set >a)?stop@


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set '0 's 'o7e set '1

's 'o7e '1 s(ape

sDuare '1 )abe)

2tpPser>er set '< 's

'o7e '< o)or &ree'

'< )abe) errorP'o7e

set '3 's 'o7e

'3 o)or &ree'

'3 )abe) errorP'o7e

set ' 's 'o7e

set '. 's 'o7e '.

)abe) 2tpP)%e't set '/

's 'o7e

Create)%'ks betwee' 'o7es

's 7up)e;5)%'k '0 '< 10090Mb 10ms #ropTa%) 's

Dueue5)%m%t '0 '< .0

's 7up)e;5)%'k '0 '1 10090Mb 10ms #ropTa%) 's

Dueue5)%m%t '0 '1 .0


Dueue5)%m%t '1 '< .0

's 7up)e;5)%'k '< '3 10090Mb 10ms #ropTa%) 's

Dueue5)%m%t '< '3 .0


's 7up)e;5)%'k5op '0 '< or%e't r%&(t

's 7up)e;5)%'k5op '0 '1 or%e't r%&(t57ow' 's

7up)e;5)%'k5op '1 '< or%e't r%&(t5up 's 7up)e;5

)%'k5op '< '3 or%e't r%&(t

set em 'ew ErrorMo7e)

em u'%t pkt error u'%t ?7e2au)t pakets@ ?Ot(er u'%ts t%me* b%ts@



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em set rateP 09< error rate probab%)%ty

em ra'>ar 'ew Ra'7omVar%ab)e:U'%2orm spe%2y t(e r> 2or &e'erat%'& errors em 7rop5

tar&et 'ew A&e't:Nu)) o))et orrupte7 pakets a'7 (a'7)e

Create a LAN o2 2our 'o7es a'7 reor7 t(e trae ?e; o))%s%o'5* (op5(@

's make5)a' 5trae o' '3 ' '. '/ 09.Mb 0ms LL Wueue:#ropTa%) Ma:80


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Note repeat t(e e;per%me't 2or 7%22ere't s%mu)at%o' t%m%'& a'7 reor7 t(e rea7%'&?s%mu)at%o' t%me a'7 tota) 7ata

tra'sm%tte7@e;amp)e

Awk Sr%pt 2or &e'erat%'& tota) s%mu)at%o' t%me a'7 tota) 7ata tra'sm%tte7

,E!IN Q ou'tH0

Q

%2? 1 HH r ? HH < [[ HH3@@

Q ou't ZH /

EN# Q pr%'t2?K)2tK)2'*


25/62


Si"#$ati!& ti"e T!ta$ Data Tra&*,erre)

890/83 09


26/62


Awk Sr%pt 2or &e'erat%'& seDue'e 'o a'7 'o o2 retra'sm%ss%o's ,E!INQ

%H0

a1.00

Q %2?1HH7@

Q 2or?%H0%1.00%ZZ@

Q %2?11HH%@

a%Ha%Z1

EN#Q 2or?%H0%1.00%ZZ@

Q pr%'t2?K7tK7'*%*a%@



27/62


OUT=UT

!rap( betwee' paket 'umber a'7 'umber o2 re tra'sm%ss%o's



28/62


5. Mea*#ri&/ Net'!r( Per,!r"a&ce*

7!tt$e&ec( i& t%e &et'!r(

C!&*i)er a )#"++e$$ t!!$!/ 'it% ei/%t &!)e* a* *%!'& a* i& t%e ,!$$!'i&/ ,i/#re.

C!&*i)er &!)e* 2 a&) 3 t! +e t'! r!#ter* c!&&ecti&/ t'! )i,,ere&t &et'!r(*. W%e& t%e +a&)'i)t%

!, t%e $i&( 2?3 i* "#c% $!'er t%a& t%e *#" !, +a&)'i)t%* !, t%e !t%er $i&(* i& t%e &et'!r( it act a* a

+!tt$e&ec(.

A**#"e &!)e 0 r#&&i&/ a ;TP a$icati!& !-er TCP a&) *e&)i&/ )ata t! &!)e 6. N!)e 1 i* *e&)i&/

C7R )ata &!)e :. A**#"e a$$ t%e $i&(* ecet 2?3 %a* a +a&)'i)t% !, 1 M+ r!a/ati!& )e$a !, 10"*

a&) *ecti!& +e$!'

7a*e) !& t%e a+!-e $!t* *#//e*t '%at *%!#$) +e t%e rec!""e&)e) +a&)'i)t% !, t%e $i&( 2?3. N!'

$!t t%e e&)?t!?e&) )e$a +et'ee& &!)e* 0 a&) 6 ,!r t%e a+!-e c%!*e& -a$#e* !, $i&( 2?3 +a&)'i)t%.

Re-i*it !#r re-i!#* a&*'er i.e. !ti"#" +a&)'i)t% !, $i&( 2?3 +a*e) !& t%e*e /ra%*. Mea*#ri&/

Net'!r( Per,!r"a&ce*

#epartme't o2 MCA* E4IT* ,a'&)ore5/


29/62


=ro&ram

=ro&ram .

set b> )%'7e; ar&> 0




's o)or 1 ,)ue

's o)or < Re7


trae2%)e ope' p.9tr w 's

trae5a)) trae2%)e

Ope' t(e NAM trae 2%)e set

'am2%)e ope' p.9'am w 's

'amtrae5a)) 'am2%)e

Create 8 'o7es

set '0 's 'o7e

'0 )abe) 2tp soure set

'1 's 'o7e '1 )abe)

br soure '1 s(ape

sDuare

set '< 's 'o7e

set '3 's 'o7e

set ' 's 'o7e

set '. 's 'o7e

set '/ 's 'o7e

'/ )abe) 2tp ree%>er set

' 's 'o7e' )abe) br ree%>er



Dueue5)%m%t '< '0 .



30/62



Dueue5)%m%t '1 '< .

's 7up)e;5)%'k '< '3 Qb>Mb 10ms #ropTa%) 's

Dueue5)%m%t '< '3 e 'o7e pos%t%o' ?2or NAM@

's 7up)e;5)%'k5op '< '0 or%e't )e2t5up 's

7up)e;5)%'k5op '1 '< or%e't r%&(t5up 's

7up)e;5)%'k5op '< '3 or%e't r%&(t 's 7up)e;5

)%'k5op '3 ' or%e't r%&(t5up

's 7up)e;5)%'k5op '3 '. or%e't r%&(t57ow' 's

7up)e;5)%'k5op '. ' or%e't r%&(t

's 7up)e;5)%'k5op ' '/ or%e't r%&(t

Setup a TC= o''et%o' set

tp0 'ew A&e't:TC= 's

atta(5a&e't '0 tp0

set s%'k/ 'ew A&e't:TC=S%'k

's atta(5a&e't '/ s%'k/ 's

o''et tp0 s%'k/ tp0 set

paketS%eP 1.00



atta(5a&e't '1 u7p1



31/62


set 'u)) 'ew A&e't:Nu)) 's

atta(5a&e't ' 'u)) 's

o''et u7p1 'u)) u7p1

set paketS%eP 1.00 tp0 set

2%7P 1




's at 0901 br1 start 's

at 090 br1 stop

#e2%'e a G2%'%s(G proe7ure

pro 2%'%s( Q Q

&)oba) 's trae2%)e 'am2%)e b>

's 2)us(5trae

)ose trae2%)e )ose

'am2%)e e;e 'am

p.9'am

e;e awk 52 p.9awk 5> >ar1Hb> p.9tr XX p.19tr e;e

awk 52 p.P7e)ay9awk p.9tr[ ;&rap(

e;%t 0

's at >a)?stop@ 2%'%s(

's ru'



32/62


Output



33/62


A4$ sr%pt to a)u)ate t(rou&(put 2or spe%2% ba'7w%7t( ,E!IN

Q

ou'tH0

t%meH0901

Q

%2 ? 1 HH r 3 HH < HH 3@

Q

ou't ZH /

t%meHar1*??ou't:t%me@ Y ?8:100000090@@ @

,a'7w%7t(s T(rou&(put

09.00000 09


34/62




35/62


,E!IN Q

(p%7 H 0

Q

eH1 tH


36/62




37/62


/9 4r%te a TCL sr%pt to s%mu)ate t(e 2o))ow%'& se'ar%o w%t( 's< s%mu)ator9

Co's%7er s%; 'o7es* ?as s(ow' %' t(e 2%&ure be)ow@ mo>%'& w%t(%' a 2)at topo)o&y o2 00m ; 00m9 T(e %'%t%a)

pos%t%o's o2 'o7es are 0 ?1.0*300@ *1 ?300*.00@*< ?.00*.00@*3 ?300*100@*?.00*100@ a'7 .?/.0*300@ respet%>e)y9A

TC= o''et%o' %s %'%t%ate7 betwee' 'o7e 0 ?soure@ a'7 'o7e . ?7est%'at%o'@ t(rou&( 'o7e 3 a'7 'o7e %9e t(e

route %s 05355.9 At t%me t H 3 seo'7s t(e FT= app)%at%o' ru's o>er %t9 A2ter t%me tH90 se* 'o7e 3 ?300*100@

mo>es towar7s 'o7e 1 ?300*.00@ w%t( a spee7 o2 .90m:sea'7 a2ter some t%me t(e pat( break* t(e' t(e 7ata

tra'sm%t w%t( a 'ew pat( >%a 'o7e 1 a'7 'o7e er t(e e't%re t%me 7urat%o' o2 t(e s%mu)at%o'

# =ro&ram

# S%mu)at%o' parameters setup

set >a)?(a'@ C(a''e):4%re)essC(a''e) (a''e) type

set >a)?prop@ =ropa&at%o':TwoRay!rou'7 ra7%o5propa&at%o' mo7e)

set >a)?'et%2@ =(y:4%re)ess=(y 'etwork %'ter2ae type

set >a)?ma@ Ma:80a)?%2D@ CMU=r%Wueue %'ter2ae Dueue type

set >a)?))@ LL )%'k )ayer type

set >a)?a't@ A'te''a:Om'%A'te''a a'te''a mo7e)

set >a)?%2D)e'@ .0 ma; paket %' %2D

set >a)?''@ / 'umber o2 mob%)e'o7es

set >a)?rp@ #SR rout%'& protoo)

set >a)?;@ 00 7%me's%o' o2 topo&rap(y

set >a)?y@ 00 " 7%me's%o' o2 topo&rap(y

set >a)?stop@ /090 t%me o2 s%mu)at%o' e'7



Setup topo&rap(y ob6et set

topo 'ew Topo&rap(y



38/62


topo )oa7P2)at&r%7 >a)?;@ >a)?y@

reate5&o7 >a)?''@


trae2%)e ope' p/9tr w 's

trae5a)) trae2%)e


'am2%)e ope' p/9'am w 's

'amtrae5a)) 'am2%)e

's 'amtrae5a))5w%re)ess 'am2%)e >a)?;@ >a)?y@ set (a'

'ew >a)?(a'@Create w%re)ess (a''e)

# Mob%)e 'o7e parameter setup

's 'o7e5o'2%& 5a7(oRout%'& >a)?rp@

5))Type >a)?))@

5maType >a)?ma@

5%2DType >a)?%2D@

5%2DLe' >a)?%2D)e'@

5a'tType >a)?a't@

5propType >a)?prop@

5p(yType >a)?'et%2@

5(a''e) (a'

5topoI'sta'e topo

5a&e'tTrae ON

5routerTrae ON

5maTrae ON

5mo>eme'tTrae ON

Create / 'o7es w%t( %'%t%a) pos%t%o's set'0 's 'o7e

'0 set P 1.0

'0 set "P 300

'0 set \P 090

's %'%t%a)P'o7ePpos '0


39/62


set '1 's 'o7e

'1 set P 300 '1

set "P .00 '1 set

\P 090

's %'%t%a)P'o7ePpos '1


40/62


's atta(5a&e't '. s%'k.

's o''et tp0 s%'k. tp0

set paketS%eP 1.00

Setup a FT= App)%at%o' o>er TC= o''et%o' set

2tp0 'ew App)%at%o':FT=

2tp0 atta(5a&e't tp0

's at 090 2tp0 start 's

at /090 2tp0 stop

A))ow 'o7e '3 to mo>e towar7s 'o7e '1 w%t( spee7 . m:se 's at

90 '3 set7est 30090 .0090 .90


pro 2%'%s( Q Q

&)oba) 's trae2%)e 'am2%)e

's 2)us(5trae

)ose trae2%)e )ose

'am2%)e e;e 'am

p/9'am

e;e at p/9tr [ awk 52 p/9awk e;%t

0

2or Qset % 0 Q% >a)?''@ Q %'r % Q 's at

>a)?stop@ '% reset

's at >a)?stop@ 's 'am5e'75w%re)ess >a)?stop@ 's at

>a)?stop@ 2%'%s(

's at >a)?stop@ puts 7o'e 's (a)t 's

ru'



41/62


AW@ Scrit ,!r ca$c#$ati&/ t!ta$ a"!#&t tra&*,erre) + eac% &!)e

,E!IN

Q ou't1H0

ou'te7 by 'o7e 1 K7*ou't1@ pr%'t2?'

paket ree%>e7 by 'o7e < K7*ou'te7 by 'o7e 3 K7*ou't3@ pr%'t2?' paket ree%>e7

by 'o7e K7*ou't@ pr%'t2?' paket ree%>e7 by 'o7e

. K7'*ou't.@



42/62


OUT=UT 'umP'o7es

%s set /

INITIALI\E TE LIST ;L%stea7

(a''e)9se'7Up 5 Ca) (%&(estA'te''a\P a'7 7%stCSTP

(%&(estA'te''a\P H 19.* 7%stCSTP H ..090

SORTIN! LISTS 999#ONE]

paket ree%>e7 by 'o7e 1 1e7 by 'o7e < 131

paket ree%>e7 by 'o7e 3 1

paket ree%>e7 by 'o7e 1

paket ree%>e7 by 'o7e .


43/62


9 S%mu)ate a 'etwork w(%( w%)) reate o'&est%o' %' t(e 'etwork9 4%t( t(e trae 2%)e reate7

%7e't%2y t(e po%'ts at w(%( o'&est%o' ours by wr%t%'& se7 : awk sr%pts9 A)so wr%te a me(a'%sm

to orret:o'tro) t(e o'&est%o'9

=ro&ram

set b> )%'7e; ar&> 0




's o)or 1 ,)ue

's o)or < Re7

's o)or 3 !ree'


trae2%)e ope' p9tr w 's

trae5a)) trae2%)e


'am2%)e ope' p9'am w 's

'amtrae5a)) 'am2%)e

Create 8 'o7es

set '0 's 'o7e

'0 )abe) br1 soure

set '1 's 'o7e

'1 )abe) br< soure

'1 s(ape sDuare

set '< 's 'o7e

set '3 's 'o7e

set ' 's 'o7e

set '. 's 'o7e

set '/ 's 'o7e

'/ )abe) br1 ree%>er set

' 's 'o7e

' )abe) br1 ree%>er



44/62




Dueue5)%m%t '0 '3 .


Dueue5)%m%t '1 '3 .


Dueue5)%m%t '< '3 .

's 7up)e;5)%'k '3 ' Qb>Mb 10ms #ropTa%) 's

Dueue5)%m%t '3 ' .

's 7up)e;5)%'k ' '. 190Mb 10ms #ropTa%) 's

Dueue5)%m%t ' '. .

's 7up)e;5)%'k ' '/ 190Mb 10ms #ropTa%) 's

Dueue5)%m%t ' '/ .

's 7up)e;5)%'k ' ' 190Mb 10ms #ropTa%) 's

Dueue5)%m%t ' ' .


's 7up)e;5)%'k5op '0 '3 or%e't r%&(t57ow' 's

7up)e;5)%'k5op '1 '3 or%e't r%&(t

's 7up)e;5)%'k5op '< '3 or%e't r%&(t5up 's

7up)e;5)%'k5op '3 ' or%e't r%&(t 's 7up)e;5

)%'k5op ' '. or%e't r%&(t5up

's 7up)e;5)%'k5op ' '/ or%e't r%&(t57ow' 's

7up)e;5)%'k5op ' ' or%e't r%&(t

Setup a TC= o''et%o'

set tp0 'ew A&e't:TC=:Newre'o 's

atta(5a&e't '0 tp0

set s%'k. 'ew A&e't:TC=S%'k

's atta(5a&e't '. s%'k. 's

o''et tp0 s%'k. tp0 set

paketS%eP 1.00



45/62


set tp1 'ew A&e't:TC=:Ve&as

's atta(5a&e't '1 tp1

set s%'k 'ew A&e't:TC=S%'k

's atta(5a&e't ' s%'k 's

o''et tp1 s%'k tp1 set

paketS%eP 1.00

Setup a U#= o''et%o' A&e't:TC= 5

a ^^ta(oeGG TC= se'7er set tp< 'ew

A&e't:TC=

's atta(5a&e't '< tp< set

s%'k/ 'ew A&e't:TC=S%'k 's

atta(5a&e't '/ s%'k/ 's

o''et tp< s%'k/ tp< set

paketS%eP 1.00

tp0 set 2%7P 1

tp1 set 2%7P

's 2)us(5trae

)ose trae2%)e

)ose 'am2%)e

# e;e 'am p9'am

e;e awk 52 p9awk 5> >ar1Hb> p9tr XX p19tr e;%t 0


's ru'

OUT=UT



47/62


A4$ Sr%pt 2or a)u)at%'& 'umber o2 o'&est%o' at%o's take' by TC=T(a(o* NewRe'o* Ve&as ,E!IN Q

ou't>a&usH0

ou'tre'oH0

ou'ttpH0

Q

%2 ?8HH1 HH555 A555 @

ou'tNewre'oZZ

%2 ?8HHar1*ou'tNewre'o*ou't>e&as*ou'tta(oe@



48/62


!rap( 2or 'umber o2 at%o's take' by Newre'o* Ve&as* TC= T(a(o

,a'7w%7t( TC= Newre'o TC= Ve&as TC= T(a(o

09.00000 113 0 10/3

09.0000 11/ 0 10

19000000 1


49/62




50/62


89 S%mu)ate a w%re7 'etwork a'7 7emo'strate #%sta'e Vetor Rout%'& a)&or%t(m 9 set 's 'ew

S%mu)ator

's o)or 1 b)ue

's o)or < re7

set '2 ope' out9'am w

's 'amtrae5a)) '2 set tr

ope' out9tr w 's trae5

a)) tr

pro 2%'%s( Q Q &)oba)

'2 's tr 's

2)us(5trae )ose

tr )ose '2

e;e 'am out9'am

e;%t 0

set '0 's 'o7e

set '1 's 'o7e

set '< 's 'o7e

set '3 's 'o7e

set ' 's 'o7e

set '. 's 'o7e


7up)e;5)%'k '1 '3 Mb 10ms #ropTa%) 's

7up)e;5)%'k '< '1 10Mb 10ms #ropTa%) 's

7up)e;5)%'k '1 ' 10Mb 10ms #ropTa%) 's

7up)e;5)%'k ' '. 10Mb 10ms #ropTa%) 's

7up)e;5)%'k '. '3 10Mb 10ms #ropTa%) 's

7up)e;5)%'k5op '0 '1 or%e't r%&(t57ow' 's

7up)e;5)%'k5op '1 '3 or%e't r%&(t

's 7up)e;5)%'k5op '< '1 or%e't r%&(t5up 's

7up)e;5)%'k5op '1 ' or%e't r%&(t5up

#epartme't o2 MCA* E4IT* ,a'&)ore5/ .0


51/62


's 7up)e;5)%'k5op ' '. or%e't r%&(t

's 7up)e;5)%'k5op '. '3 or%e't r%&(t57ow' set

tp 'ew A&e't:TC=

's atta(5a&e't '0 tp set

2tp 'ew App)%at%o':FT= 2tp

atta(5a&e't tp

set s%'k 'ew A&e't:TC=S%'k

's atta(5a&e't '3 s%'k set

u7p 'ew A&e't:U#= 's

atta(5a&e't '< u7p

set br 'ew App)%at%o':Tra22%:C,R br

atta(5a&e't u7p

set 'u)) 'ew A&e't:Nu)) 's

atta(5a&e't '3 'u)) 's

o''et tp s%'k 's

o''et u7p 'u)) tp set

2%7P 1

u7p set 2%7P %ous e;er%se

No7e 0 %s a TC= soure* a'7 t(e orrespo'7%'& s%'k %s at 'o7e /9 No7e 1 %s a U#= soure ?C,R tra22%@

w%t( a 'u)) a&e't atta(e7 to 'o7e 9 T(ese two tra22% 2)ows t(rou&( t(e ommo' )%'k es w(e' t(e rate o2 C,Rtra22% %s (a'&e79

Set t(e TC= paket s%e to 1/0 ,9 T(e U#= a'7 C,R paket s%es are 1.00 ,9 A)) t(e )%'ks %' t(e 'etwork

(a>e same ba'7w%7t(s ?say* Mb@* 7e)ay a'7 Dueue types9

=art 1

Set t(e %'%t%a) rate o2 C,R tra22% to 09. Mb9 Ru' t(e s%mu)at%o'* a'7 p)ot t(e ,ytes Ree%>e7

by 'o7e s a'7 . ?s%'ks 2or TC= a'7 U#= tra22%@

Now* %'reme't t(e rate up to Mb* t(e )%'k ba'7w%7t(* %' steps o2 09. Mb9 Ru' t(e s%mu)at%o'

a'7 p)ot t(e &rap(s a&a%'9

ow 7oes t(e &rap(s (a'&e a2ter ea( ru'B I' part%u)ar* w(atGs t(e 'ature o2 t(e &rap(s w(e' t(e rate o2

C,R tra22% %s .0K o2 t(e ba'7w%7t(B

=art %our o2 U#=



54/62


J Re7ue t(e ba'7w%7t( o2 t(e )%'k e steps a'7 obser>e t(e &rap(s %'

t(%s ase9From t(e &rap(s p)otte7 obser>e (ow U#= oup%es a )ar&er port%o' o2 t(e ba'7w%7t(9 ow 7oes

t(e be(a>%our (a'&e 2or ot(er >ar%at%o's o2 TC= ?Newre'o* Ve&as@B

=ro&ram

set >a)?stop@ .090 t%me o2 s%mu)at%o' e'7 set rt

)%'7e; ar&> 0



's o)or 1 ,)ue

's o)or < Re7


trae2%)e ope' p/9tr w 's

trae5a)) trae2%)e Ope' t(e

NAM trae 2%)e

set 'am2%)e ope' p/9'am w 's

'amtrae5a)) 'am2%)e Create 8

'o7es

set '0 's 'o7e '0

)abe) 2tp soure set '1

's 'o7e '1 )abe) br

soure '1 s(ape

sDuare

set '< 's 'o7e

set '3 's 'o7e

set ' 's 'o7e

set '. 's 'o7e

set '/ 's 'o7e

'/ )abe) 2tp ree%>er set

' 's 'o7e

' )abe) br ree%>er



Dueue5)%m%t '< '0 .0



55/62



Dueue5)%m%t '1 '< .0


Dueue5)%m%t '< '3 .0

's 7up)e;5)%'k '3 ' 890Mb 10ms #ropTa%) 's

Dueue5)%m%t '3 ' .0

's 7up)e;5)%'k '3 '. 890Mb 10ms #ropTa%) 's

Dueue5)%m%t '3 '. .0

's 7up)e;5)%'k '. ' 890Mb 10ms #ropTa%) 's

Dueue5)%m%t '. ' .0

's 7up)e;5)%'k ' '/ 890Mb 10ms #ropTa%) 's

Dueue5)%m%t ' '/ .0


's 7up)e;5)%'k5op '< '0 or%e't )e2t5up 's

7up)e;5)%'k5op '1 '< or%e't r%&(t5up 's

7up)e;5)%'k5op '< '3 or%e't r%&(t 's 7up)e;5

)%'k5op '3 ' or%e't r%&(t5up

's 7up)e;5)%'k5op '3 '. or%e't r%&(t57ow' 's

7up)e;5)%'k5op '. ' or%e't r%&(t

's 7up)e;5)%'k5op ' '/ or%e't r%&(t

Setup a TC= o''et%o'

set tp0 'ew A&e't:TC=:Ve&as

's atta(5a&e't '0 tp0

set s%'k/ 'ew A&e't:TC=S%'k

's atta(5a&e't '/ s%'k/ 's

o''et tp0 s%'k/ tp0 set

paketS%eP 1/0



atta(5a&e't '1 u7p1 set

'u)) 'ew A&e't:Nu)) 's

atta(5a&e't ' 'u)) 's

o''et u7p1 'u))



56/62


u7p1 set paketS%eP 1.00

tp0 set 2%7P 1




br1 set paketS%eP 1.00

br1 set rateP QrtMb br1

set ra'7omP 'u)) 's at 0901

br1 start 's at 090 br1

stop


pro 2%'%s( Q Q

&)oba) 's trae2%)e 'am2%)e rt 's

2)us(5trae

)ose trae2%)e )ose

'am2%)e e;e 'am

p/9'am

e;e awk 52 p/Ptp9awk 5> >ar1Hrt p/9tr XX p/19tr e;%t 0


's ru'



57/62


O#t#t



58/62


A'( Scrit ,!r ca$c#$ati&/ t%r!#/%#t !, TCP a&) UDP

,E!IN

Q tpPs%'kH0

u7pPs%'kH0

Q

%2?1HHr HH @

Q tpPs%'k ZH /

%2?1HHr HH . @Q u7pPs%'k

ZH /

EN# Q pr%'t2?K)2tK)2tK)2'*>ar1*tpPs%'k:1000000*u7pPs%'k:1000000@



59/62


Newre'o >s U#=

,a'7w%7t( TC= Newre'o U#=

09.00000


60/62


TC= >s U#=

C,R Rate T(rou&(put 2or TC= U#=09.


61/62


TC= >s U#= 2or < Mbps L%'k

C,R Rate T(rou&(put 2or TC= U#=09.


62/62


T(rou&(put

Documents

NetworkLab_13MCA381