Re: [ns] Queue Monitor

[Debojyoti Dutta <ddutta@ISI.EDU>]

ok, to use the qmon use

#Set up queue-monitor to measure link utilization and drop rates
set f [open out.tr w]
set qmon [$ns monitor-queue $n0 $n1 $f]

debo 

On Sun, 9 Sep 2001, Abbas Makki wrote:

> I am not using flow monitor. Sowhy should I use flow ID  ?
> 
> 
> >Date: Sun, 9 Sep 2001 12:39:18 -0700 (PDT)
> >From: Debojyoti Dutta <ddutta@ISI.EDU>
> >To: Abbas Makki <abbas.makki@kcl.ac.uk>
> >Subject: Re: [ns] Queue Monitor
> >MIME-Version: 1.0
> >
> >ok, i just checked some of my scripts. 
> >
> >one way is to do as you said ...... 
> >
> >the other way that i have done is to write
> >
> >    set slink [$ns_ link $n(1) $n(2)]
> >    set fmon [$ns_ makeflowmon Fid]
> >    $ns_ attach-fmon $slink $fmon
> >
> >thats accurate becuase it works !
> >
> >debo
> >
> >On Sun, 9 Sep 2001, Abbas Makki wrote:
> >
> >> Hello
> >> 
> >> Please complete the statement. May be my documentation is not complete.
> >> 
> >> >Date: Sun, 9 Sep 2001 12:31:13 -0700 (PDT)
> >> >From: Debojyoti Dutta <ddutta@ISI.EDU>
> >> >To: Abbas Makki <abbas.makki@kcl.ac.uk>
> >> >Subject: Re: [ns] Queue Monitor
> >> >MIME-Version: 1.0
> >> >
> >> >fmon is a qmon 
> >> >
> >> >set fmon [$ns monitor .....
> >> >
> >> >debo
> >> >
> >> >On Sun, 9 Sep 2001, Abbas Makki wrote:
> >> >
> >> >> Hello Debo
> >> >> 
> >> >> Is this without having to set a queue monitor between two nodes. Meant 
> >> without 
> >> >> having to state 
> >> >> 
> >> >> set qmon_xxx [$ns monitor-queue $rtr $dst .....etc ]  ???
> >> >> 
> >> >> Do I have to set a monotor-queue  ??
> >> >> 
> >> >> Is fmon  the name of a file ?
> >> >> 
> >> >> Thank you for your prompt reply.
> >> >> 
> >> >> 
> >> >> >Date: Sun, 9 Sep 2001 12:15:45 -0700 (PDT)
> >> >> >From: Debojyoti Dutta <ddutta@ISI.EDU>
> >> >> >To: Abbas Makki <abbas.makki@kcl.ac.uk>
> >> >> >cc: ns-users@ISI.EDU
> >> >> >Subject: Re: [ns] Queue Monitor
> >> >> >MIME-Version: 1.0
> >> >> >
> >> >> >suppose fmon is a q monitor
> >> >> >
> >> >> >> 1) get the number of packet arrivals 
> >> >> >
> >> >> >set pkts   [$fmon set parrivals_]
> >> >> >
> >> >> >also:
> >> >> >
> >> >> >set notDroped [$fmon set pdepartures_]
> >> >> > 
> >> >> >set drops  [$fmon set pdrops_]
> >> >> >
> >> >> >> 2) get the estimated rate
> >> >> >
> >> >> >you can do packets arrived / time ....... also depends on how you define
> >> >> >estimated rate ......
> >> >> >
> >> >> >debo
> >> >> >
> >> >> 
> >> >> 
> >> >
> >> 
> >> 
> >
> 
>