Hi,
I need to do some kind of performance evaluation of TCP's various timer
back-off strategies, congestion avoidance schemes, recovery process in
sender etc. I currently have a network
with two small subnets set up. One subnet having two machines (clients),
and the other a single server machine. I use one machine to act as a
gateway to switch packets between these two networks.
Here's the problem. My raw bandwidth is 10MBps and there seems to be no
hope to actually saturate that kind of bandwidth with traffic generated
by
just two clients. And to do a study on TCP behaviour during congestion, I
would need to make sure that some packets are dropped. So, I think the
best strategy is to make the gateway drop the packets. Another option is
to have some dynamic traffic shaping scheme on the interface card on the
server-side subnet which would allow me to vary the observed bandwidth on
the server side and hence make the server drop some packets. I am not too
sure if this would work.
If anybody has worked on this kind of stuff, please let me know. I'd like
to know exactly what I need to do to get running on this. Any pointers
you may have to share would be great too!!
Thanks
Hari
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