Re: [ns] QoS management simulation with NS

[Lee <yli@gpu.srv.ualberta.ca>]

Hi,

TASC and UMass developed an Active Networks packet,
available at http://www.tascnets.com/panama/,
which could modify headers as you like.
Hope that is suitable for you.

Cheers,
Yuxi

On Thu, 30 Nov 2000, Mark Janssen wrote:

> I would like to simulate a Quality of Service management solution over NS.
> What I would like to do is add several hosts which exchange messages
> requesting for instance bandwidth.
> So for instance a node should be able to send a request to another node
> requesting 100 Mb/s and the receiving node should then use some logic to
> determine whether this is possible. These messages would ideally be the
> payload of a lower protocol (eg TCP)
> After that one of the nodes should instruct a router to change for instance
> it's queue settings.
> After reading the docs of NS I get the impression that NS is mostly meant
> for lower protocol layers without giving much attention to the application
> layer (at least not in a TCL script). So I was wondering, can a simulation
> as above be done in NS? And how should I implement such an infrastructure.
> Any pointers/hints would be greatly appreciated,
> 
> Thanks,
> 
> Mark
> 


****************************
* Yuxi Li    492-7747(lab) *
* www.cs.ualberta.ca/~yuxi *
********==(*^_^*)==*********