[ns] DCCP increasing the delay instead of decreasing - Please help..

[maddythedude madan]

Sorry!! Revised scripts are here.

Thanks a ton in advance,
maddy

On Tue, Nov 3, 2009 at 8:58 AM, maddythedude madan <
madan.maddythedude at gmail.com> wrote:

> Hi All,
>
> I am facing a strange problem with DCCP when I used it over ns2. I have a
> setup with two nodes(src and cam) connected to router1(rtr1). rtr1 is
> connected to router2(rtr2). Router2(rtr2) connects two other nodes(dst and
> cs).
>
> dst -> destination for src
> cs -> destination for cam
>
> In my first test(cam.tcl), I used two UDP flows(CBR), one from src and
> another cam in order to create congestion and the data is received to dst
> and cs. Packet latency from src to dst is is small in this case.
>
> In my Second test(dccp.tcl), I used one UDP flow(CBR) and another DCCP
> flow(CBR) from src and cam respectively. I expected the packet latency from
> src to dst to go down as the congestion throttling is done by DCCP and the
> traffic from cam is throttled to give more space for src-> dst traffic. But
> in reverse, the delay is increasing. It could be issue with my code or
> understanding too.
>
> Could you please help in this regard?
>