Re: [ns] Multicast

[Tarik Alj <aljtarik@ozias.inrs-telecom.uquebec.ca>]

try searching the mailing list archives with keywords "TCP" and "throughput". 
There has been numerous posting of questions similar to yours and possible 
solutions.

There is always the solution to modify TCPSink to suit your monitoring needs.

> Hi,
> I am a trying to simulate a multicast using NS. The topology is a simple star
> topology with the central node multicasting to all the group members. The
> sender sends TCP packets and I need to monitor these. I have a problem in
> monitoring these packets (using xgraph) in that if I have a TCPSink attached
> to the receivers I am unable to monitor them nd if I attach a LossMonitor to
> them they do not acknowledge the TCP packets and so the flow stops after one
> retransmission.
> I hope I will be able to get some help.
> thanks
> regards
> -chirdeep

Tarik