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From: David Boreham <david_list@boreham.org>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] Optimizing linux for the routing of realtime video
Date: Tue, 29 Nov 2005 19:07:54 +0000	[thread overview]
Message-ID: <438CA70A.8030908@boreham.org> (raw)
In-Reply-To: <01f001c5f517$826cf9c0$c901a8c0@jtwin>


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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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  reply	other threads:[~2005-11-29 19:07 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-29 19:02 [LARTC] Optimizing linux for the routing of realtime video Justin Todd
2005-11-29 19:07 ` David Boreham [this message]
2005-11-30  1:37 ` sophana
2005-11-30  8:02 ` Jakub Wartak
2005-11-30  9:09 ` Greg Scott

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