[LARTC] Optimizing linux for the routing of realtime video

[David Boreham]

Justin Todd wrote:

> I'm currently trying to optimize a linux machine which acts as a Layer 3
> router of RTP H.263 video.  Occassionally I'll get delays related to 
> layer 2
> wireless retries, thus rendering the video on the recieving end
> stale/useless.

Maintaining QoS over wireless links, especially in the presence of 
interference
is tricky, perhaps impossible. My gut feel is that your problems are 
likely all
wireless-related and the solution will lie there too. Perhaps the radios are
queuing subsequent packets behind the one they attempt to re-transmit ?
Often there are tweakable parameters in the radios that you can try to play
with (enable RTS for example).

Good luck !


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