NS2 presentation-AWK+Wireless

8/19/2019 NS2 presentation-AWK+Wireless

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Presented by,Amritha Sampath

Department of Computer ScienceRSET

Traces, AWK and Xgraph


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Trace i!es for Wired"et#or$s

%& Type 'denti(er) Type of E*ent ++) a pac$et en-ueue e*ent

+-) a pac$et de-ueue e*ent +r ) a pac$et reception e*ent

+d ) a pac$et drop e*ent +c) a pac$et co!!ision at the .AC !e*e!

/& Time) at #hich the pac$et tracing string is created&

0&Source "ode ) denote the 'Ds of the source node ofthe tracing ob1ect&

2&Destination "ode ) denote the 'Ds of thedestination

.arch %0, /3%4/ "S/ Wor$shop


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5& Pac$et "ame) "ame of the pac$et type4& Pac$et Si6e) Si6e of the pac$et in bytes&7& !ags) A 78digit 9ag string +-) disab!e %st : +E) EC" ;E


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AWK (!eBanguage that scans through a (!e !ine by

!ine

Data dri*en

Access any co!umn in the current !ine byusing specia! *ariab!es %, /, 0, etc&

E'" F print GSTARTG H

F print HE"D F print GSTIPG H

.arch %0, /3%42 "S/ Wor$shop


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Eg& %



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or TCPJLusrLbinLa#$ 8f E'"F

data:3

H

F

if ; %::GrG MM 2::G5G MM 5::GtcpG =F

data N: 4

print /,dataO?&3L/L%333333

H

H

E"DF

Jprint GComp!etedG

H



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or DPJLusrLbinLa#$ 8f E'"F

data:3

H

F

if ; %::GrG MM 2::G2G MM 5::GcbrG =F

data N: 4

print /,dataO?&3L/L%333333

H

H

E"DF

Jprint GComp!etedG

H



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To run a#$ scripta#$ 8f (!ename&a#$Q input(!eQ Q

output(!eQ

.arch %0, /3%4? "S/ Wor$shop


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XgraphP!otting purposes&Comes together #ith "S/ insta!!ation

pac$age&

Running Xgraph


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.arch %0, /3%4%3 "S/ Wor$shop


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Wire!ess "et#or$s


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Adhoc "et#or$sAd8hoc net#or$s are #ire!ess net#or$s

#here nodes communicate #ith each otherusing mu!ti8hop !in$s&

"o stationary infrastructure or base stationfor communication&

Each node itse!f acts as a router forfor#arding and recei*ing pac$ets toLfrom

other nodes&

.arch %0, /3%4%/ "S/ Wor$shop


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Basic setup

Create simulator instance

Eg) set ns ne# Simu!ator

Open trace fle and activate itEg) set nt open 0nodes&tr #

ns trace8a!! nt

Open namtrace fle and activate it

Eg) set nm open 0nodes&nam #

ns namtrace8a!!8#ire!ess nm /33 /33


$ namtrace-all-wireless $


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Create topography :

set [new Topography]$ load_fatgrid

Eg) set topo ne# Topography topo !oad9atgrid /33 /33

Create the GOD object (General OperationsDirector:

create!god

Eg) create8god *a!;nn=



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Simu!ation of Adhoc"et#or$s "peci#y components o# the mobile node:

set *a!;chan= Channe!LWire!essChanne! UJ channe! type

set *a!;prop= PropagationLT#oRayround UJ radio8propagation mode!

set *a!;ant= AntennaLImniAntenna UJ Antenna type

set *a!;!!= BB UJ Bin$ !ayer typeset *a!;if-= VueueLDropTai!LPriVueue UJ 'nterface -ueue

typeset *a!;if-!en= 53 UJ ma< pac$et in

if-

set *a!;netif= PhyLWire!essPhy UJ net#or$interface type

set *a!;mac= .acL?3/%% UJ .AC typeset *a!;rp= DSD UJ ad8hoc routing

protoco!

set *a!;nn= / UJ number ofmobi!enodes



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Confguration o# themobile nodes

$ node-cong ! $

option/Q*a!ue/Q Y

...

...

...

optionnQ*a!uenQ



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Eg)

ns node8con(g 8adhocRouting *a!;rp= Y

8!!Type *a!;!!= Y8macType *a!;mac= Y8if-Type *a!;if-= Y

8if-Ben *a!;if-!en= Y8antType *a!;ant= Y

8propType *a!;prop= Y8phyType *a!;netif= Y

8topo'nstance topo Y8channe! chan Y

8agentTrace I"Y8routerTrace I"Y8macTrace I"Y

8mo*ementTrace I"



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inish Procedure

proc % &%

global

$fush-trace

close $e


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Creating the nodesAfter setting the con(guration options, the nodes

are created

set [' node]

(g) set n3 ns node

Enab!eLdisab!e random motion

$


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"etting node si'e

' initial_node_pos' Eg) ns initia!nodepos n3 %3

"etting initial position

' set _

' set ._

' set /_ ,Eg) n3 set X 3&3

n3 set Z 3&3

n3 set [ 3&3

.arch %0, /3%4/3 "S/ Wor$shop


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"etting node positions

$ at 0' setdest 0

Eg) ns at 3&3 +n% setdest %@5&3 %@5&3

/33&3

.arch %0, /3%4"S/ Wor$shop/%


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Eg& %Create a scenario #ith 2 nodes #ith

random motion

Set up TCP 9o# from node 3 to node 0

Set up DP 9o# from node % to node 0

.arch %0, /3%4"S/ Wor$shop//


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")* +: Defne all mobilenode modules

set *a!;chan%= Channe!LWire!essChanne!set *a!;prop%= PropagationLT#oRayroundset *a!;netif= PhyLWire!essPhy

set *a!;mac= .acL?3/%%set *a!;if-= VueueLDropTai!LPriVueueset *a!;!!= BBset *a!;ant= AntennaLImniAntenna

set *a!;if-!en= 53set *a!;nn= 2set *a!;rp= DSD



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")* ,: Create simulatorobject

set ns ne# Simu!ator



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")* -: "etup race .ile

set nt open throughput&tr #

ns trace8a!! nt

set nm open throughput&nam #

ns namtrace8a!!8#ire!ess nm 033 033



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")* /: Createopography

set topo ne# Topography

topo !oad9atgrid 033 033



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")* 0: Create Object God

create8god *a!;nn=



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")* 1: Confgure nodesns node8con(g 8adhocRouting *a!;rp=Y

8!!Type *a!;!!=Y8macType *a!;mac=Y8if-Type *a!;if-=Y8if-Ben *a!;if-!en=Y

8antType *a!;ant=Y8propType *a!;prop%=Y8phyType *a!;netif=Y8channe!Type *a!;chan%=Y8topo'nstance topoY8agentTrace I"Y

8routerTrace I"Y8macTrace I"Y8mo*ementTrace I"

.arch %0, /3%4/? "S/ Wor$shop


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")* 2: 3rite a fnishprocedure

proc (nish FH F

g!oba! nt nm ns

ns 9ush8tracec!ose nt

c!ose nm

e


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STEP ?) Create nodes and startrandom motionset n3 ns nodeset n% ns nodeset n/ ns nodeset n0 ns noden3 random8motion %n% random8motion %

n/ random8motion %n0 random8motion %n3 startn% startn/ startn0 start

ns initia!nodepos n3 %3ns initia!nodepos n% %3ns initia!nodepos n/ %3ns initia!nodepos n0 %3



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STEP @) Setup tra\c 9o#

set tcp3 ne# AgentLTCPns attach8agent n3 tcp3set sin$% ne# AgentLTCPSin$ns attach8agent n0 sin$%set ftp3 ne# App!icationLTPftp3 attach8agent tcp3ns connect tcp3 sin$%

set udp% ne# AgentLDPns attach8agent n% udp%

set sin$/ ne# AgentL"u!!ns attach8agent n0 sin$/set cbr% ne# App!icationLTra\cLCRcbr% attach8agent udp%ns connect udp% sin$/

.arch %0, /3%40% "S/ Wor$shop


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STEP %3) Set Stop Time andStart Simu!ation

ns at %&3 Gftp3 startGns at %&3 Gcbr% startG

ns at %75&3 Gftp3 stopG

ns at %75&3 Gcbr% stopG

ns at %?3&% G(nishGns run



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Eg& /

Node Time Position

Node0 0 05 05

Node1 0 195 195

Node2 0 195 05

Node1 40 30 30

Node1 80 195 195

Node2 90 175 50



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ProcedureDe(ne a!! mobi!e node modu!esCreate simu!ator ob1ectSetup Trace i!eCreate Topography of si6e /33


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Con(gure 'nitia! Positionn3 set X 5&3n3 set Z 5&3n3 set [ 3&3

n% set X %@5&3n% set Z %@5&3n% set [ 3&3

n/ set X %@5&3n/ set Z 5&3n/ set [ 3&3

.arch %0, /3%4"S/ Wor$shop05


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"ode mo*ement ns at 3&3 Gn3 setdest 5&3 /@5&3 /33&3G ns at 3&3 Gn% setdest 5&3 5&3 /33&3G ns at 3&3 Gn/ setdest %53&3 %53&3 /33&3G ns at 3&3 Gn0 setdest /@5&3 %53&3 /33&3G ns at %&3 Gftp3 startG ns at %&3 Gcbr% startG ns at 23&3 Gn/ setdest %53&3 5&3 %5&3G ns at ?3&3 Gn/ setdest %53&3 /@5&3 %5&3G ns at %/3&3 Gn/ setdest %53&3 %53&3 %5&3G ns at %73&3 Gn3 resetG ns at %73&3 Gn% resetG

ns at %73&3 Gn/ resetG ns at %73&3 Gn0 resetG ns at %75&3 Gftp3 stopG ns at %75&3 Gcbr% stopG ns at %?3&% G(nishG

.arch %0, /3%4"S/ Wor$shop04


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Trace (!e for Wire!ess"et#or$s+4 5C6O7: 8s9r9D9#:

+4 s ! sent,4 r ! received-4 D ! dropped/4 # ! #or;arded

,4 3)7: the time ;hen the action happened-4 3)=): the node ;here the action happened/4 >5?)=:

+4 5G ! application,4 == ! routing-4 >> ! lin@ layer/4 6.A ! outgoing pac@et ueue (bet;een lin@ and

mac layer04 5C ! mac14 *? ! physical



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04 ags:14 ")A7O: the seuence number o# the pac@et24 ?*): the pac@et type

+4 cbr !! CB= data stream pac@et,4 D"= !! D"= routing pac@et (control pac@et

generated by routing-4 =" !! =" pac@et generated by 5C EF,4++/4 5=* !! lin@ layer 5=*(5ddress =esolution

*rotocol pac@et

E4 "6): the si'e o# pac@etH4 8a b c d:

+4 a !! the pac@et duration in mac layer header,4 b !! the mac address o# destination-4 c !! the mac address o# source/4 d !! the mac type o# the pac@et body

.arch %0, /3%40? "S/ Wor$shop


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+F4ags:++48444444: 8

+4 source node ip : port%number

,4 destination node ip (!+ means

broadcast : port%number

-4 ip header ttl

/4 ip o# neIt hop (F means node F orbroadcast

.arch %0, /3%40@ "S/ Wor$shop


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Eg& 0

Node Time Position

Node0 0 05 295

Node1 0 05 05

Node2 0 150 150

Node3 0 295 150

Node2 40 150 05

Node2 80 150 295

Node2 120 150 150



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A#$ script for ThroughputCa!cu!ation

JLusrLbinLa#$ 8f E'"F Jprint GThroughput ca!cu!ationG data:3 H F

if ; %::GrG MM 0::G0G MM 7::GtcpG MM 2::G.ACG= F data N: ? print /,dataO?&3L/L%333333 H H

E"DF Jprint GComp!etedG H

.arch %0, /3%42% "S/ Wor$shop


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Xgraph



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Conc!usion

Discussed Trace (!e formats for #ired and#ire!ess net#or$s

Discussed AWK (!es and Xgraph

enerated graph for throughput ca!cu!ationfor #ired net#or$s

TCB script for #ire!ess net#or$s

enerated graph for throughput ca!cu!ation

for #ired net#or$s



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NS2 presentation-AWK+Wireless

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