set ns [new Simulator] $ns color 1 Blue set nf [open out.nam w] $ns namtrace-all $nf proc finish {} { global ns nf $ns flush-trace close $nf exec nam out.nam & exit 0 } set n0 [$ns node] set n1 [$ns node] $ns at 0.0 “$n0 label \” sender \” ” $ns at 0.0 “$n1 label \”receiver\” ” $ns duplex-link $n0 $n1 1Mb 200ms DropTail … Continue reading Stop & Wait (NS2)