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Message-Id: <20120722.121409.377271257112948379.davem@davemloft.net>
Date: Sun, 22 Jul 2012 12:14:09 -0700 (PDT)
From: David Miller <davem@...emloft.net>
To: vyasevich@...il.com
Cc: nhorman@...driver.com, netdev@...r.kernel.org, sri@...ibm.com,
linux-sctp@...r.kernel.org, joe@...ches.com
Subject: Re: [PATCH v6] sctp: Implement quick failover draft from tsvwg
From: Vlad Yasevich <vyasevich@...il.com>
Date: Sun, 22 Jul 2012 14:18:12 -0400
> Neil Horman <nhorman@...driver.com> wrote:
>
>>I've seen several attempts recently made to do quick failover of sctp
>>transports
>>by reducing various retransmit timers and counters. While its possible
>>to
>>implement a faster failover on multihomed sctp associations, its not
>>particularly robust, in that it can lead to unneeded retransmits, as
>>well as
>>false connection failures due to intermittent latency on a network.
>>
>>Instead, lets implement the new ietf quick failover draft found here:
>>http://tools.ietf.org/html/draft-nishida-tsvwg-sctp-failover-05
>>
>>This will let the sctp stack identify transports that have had a small
>>number of
>>errors, and avoid using them quickly until their reliability can be
>>re-established. I've tested this out on two virt guests connected via
>>multiple
>>isolated virt networks and believe its in compliance with the above
>>draft and
>>works well.
>>
>>Signed-off-by: Neil Horman <nhorman@...driver.com>
...
> Acked-by: Vlad Yasevich <vyasevich@...il.com>
Applied, thanks everyone.
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