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From: Marek Lindner <lindner_marek@yahoo.de>
To: The list for a Better Approach To Mobile Ad-hoc Networking
	<b.a.t.m.a.n@lists.open-mesh.org>
Subject: Re: [B.A.T.M.A.N.] [PATCH] batman-adv: Mark as received also old rebroadcast
Date: Wed, 8 Jun 2011 13:18:42 +0200	[thread overview]
Message-ID: <201106081318.42918.lindner_marek@yahoo.de> (raw)
In-Reply-To: <1307400355-11624-1-git-send-email-daniele.furlan@gmail.com>

On Tuesday, June 07, 2011 12:45:55 AM Daniele Furlan wrote:
> This patch avoid local TQ drop in case of heavy load. In this case,
> rebroadcast can be delayed more than orig_interval causing the receiver
> to incorrectly drop old packets without marking them as received.

I applied the patch (in revision 9e80af2) with the following commit message:

accept delayed rebroadcasts to avoid bogus routing under heavy load
    
When a link is saturated (re)broadcasts of OGMs are delayed. Under heavy load
this delay may exceed the orig interval which leads to OGMs being dropped (the
code would only accept an OGM rebroadcast if it arrived before the next OGM 
was broadcasted). With this patch batman-adv will also accept delayed OGMs in 
order to avoid a bogus influence on the routing metric.

Thanks,
Marek

      parent reply	other threads:[~2011-06-08 11:18 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-06 22:45 [B.A.T.M.A.N.] [PATCH] batman-adv: Mark as received also old rebroadcast Daniele Furlan
2011-06-07  8:01 ` Marek Lindner
2011-06-07  8:23   ` Daniele Furlan
2011-06-08 10:10     ` Marek Lindner
2011-06-08 11:07       ` Daniele Furlan
2011-06-08 11:18 ` Marek Lindner [this message]

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