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From: Rick Jones <rick.jones2@hp.com>
To: Simon Horman <horms@verge.net.au>
Cc: netdev@vger.kernel.org
Subject: Re: Bonding, GRO and tcp_reordering
Date: Wed, 01 Dec 2010 11:42:11 -0800	[thread overview]
Message-ID: <4CF6A513.4030400@hp.com> (raw)
In-Reply-To: <20101201043017.GA3485@verge.net.au>

>>You are in a maze of twisty heuristics and algorithms, all
>>interacting :)  If there are only three links in the bond, I suspect
>>the chances for spurrious fast retransmission are somewhat smaller
>>than if you had say four, based on just hand-waving on three
>>duplicate ACKs requires receipt of perhaps four out of order
>>segments.
> 
> 
> Unfortunately NIC/slot availability only stretches to three links :-(
> If you think its really worthwhile I can obtain some more dual-port nics.

Only if you want to increase the chances of reordering that triggers spurrious 
fast retransmits.

rick jones

      reply	other threads:[~2010-12-01 19:42 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-30 13:55 Bonding, GRO and tcp_reordering Simon Horman
2010-11-30 15:42 ` Ben Hutchings
2010-11-30 16:04   ` Eric Dumazet
2010-12-01  4:34     ` Simon Horman
2010-12-01  4:47       ` Eric Dumazet
2010-12-02  6:39         ` Simon Horman
2010-12-03 13:38       ` Simon Horman
2010-12-01  4:31   ` Simon Horman
2010-11-30 17:56 ` Rick Jones
2010-11-30 18:14   ` Eric Dumazet
2010-12-01  4:30   ` Simon Horman
2010-12-01 19:42     ` Rick Jones [this message]

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