Re: [ns] Newbie Q: Simulation of traffic trunks in ns ?

[kunchanl <kunchanl@pollux.usc.edu>]

there are several traffic models in ~ns/tcl/ex and
http://www.isi.edu/nsnam/ns/ns-contributed.html
You might want to take a look for your reference if
you haven't.

Kun-chan Lan

On Wed, 10 Jan 2001, Florian-Daniel Otel wrote:

> 
> Dear all,
> 
> I would like to know if it is possible (i.e. there are modules) to
> simulate network flows (traffic trunks) in ns. What I am intrested in
> is to be able to generate traffic trunks with certain
> properties e.g. models of arrival rate, aggregate bandwidth, flow
> lifetime and such and test -say-  the stability of IGPs/QoS routing
> protocols in response to network events like a link failure in a
> carrier backbone network and measure things like flow blocking
> probability. 
> 
> AFAIK ns is a packet-based simulator for testing protocols and I cannot find
> any information about ns being used for such backbone network traffic
> simulations. Still, despite the notorious steep learning curve of ns 
> I would be really happy if this type of simulations are possible in
> ns due to several advantages it has.
> 
> If not, can anyone suggest (off-list) what would be an appropriate
> environment for this kind of simulations and prior experiences ?
> 
> 
> TIA,
> 
> Florian.
> 
> P.S. Please Cc: me, I'm not on the list. I tried to browse the ns mailing
> list archives about info in this sense but couldn't find anything. If I
> did miss smth pls point me to the reference.
>