Re: [ns] packet buffering

["m m" <nsuser88@hotmail.com>]

Thanks for your reply. Let me make my problem clearer.

I am implementing a buffering scheme for Mobile IP. I want to buffer 
incoming packets destinated to the mobile host at a Gateway Foreign Agent 
while the mobile host is making handoff. After the mobile host has moved the 
new point of attachment (i.e., a regional FA), the buffered packets then be 
forwarded.

I found that I can only initialize the queue which is part of  the link, 
such as the queue length , queue decipline before the simulation starts. 
But, the queue only works when the downlink has exceeded the link bandwidth. 
I can not control the queueing or dequeing at the time during the 
simulation. Is  rtqueue.cc can be used for real-time queueing control? If 
so, it would be great! can you send me some sample code for packet buffering 
using rtqueue.cc. Many Thanks!




>From: "Madhan Mohan" <madhan80@eth.net>
>To: "m m" <nsuser88@hotmail.com>
>Subject: Re: [ns] packet buffering
>Date: Thu, 10 Jan 2002 16:23:50 -0700
>
>Hi
>
>I not fully able to understand your problem. But I have used rtqueue.cc
>files provided in ns2 for my routing protocol. I buffer packets which do 
>not
>have a route and I then forward the packets after finding the route. This
>works fine. But what do you mean when you say "issue a queuing command
>during simulation"?
>Do you wish to control parameters like queue length during simulation ?
>
>If you mail me the details , I might be able to help you
>
>Madhan Mohan
>Anna University
>Chennai India
>
>
>
>
>----- Original Message -----
>From: m m <nsuser88@hotmail.com>
>To: <ns-users@ISI.EDU>
>Sent: Wednesday, January 09, 2002 6:30 PM
>Subject: [ns] packet buffering
>
>
> > Hi ns users,
> >
> > I am simulating a buffering scheme, which needs to buffer the incoming
> > packets for a short period at a node and forwards the buffered packets
> > later. I have tried to use the Queue provided by ns-2, but it only can 
>be
> > controlled at the beginning of the simulation, i.e., I can not issue
> > queueing or dequeueing command during the simulations. Is there any one
>can
> > give me some advice ? Thank you!
> >
> > _________________________________________________________________
> > Send and receive Hotmail on your mobile device: http://mobile.msn.com
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>


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