From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Neil Horman " Subject: Re: [PATCH v6] sctp: Implement quick failover draft from tsvwg Date: Sun, 22 Jul 2012 15:18:15 -0400 Message-ID: References: <1342203998-24037-1-git-send-email-nhorman@tuxdriver.com> <1342893367-981-1-git-send-email-nhorman@tuxdriver.com> <2e6ee3f1-ea4f-4c13-b27b-1f2291fdb0c0@email.android.com> <20120722.121409.377271257112948379.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Cc: netdev@vger.kernel.org, sri@us.ibm.com, linux-sctp@vger.kernel.org, joe@perches.com To: David Miller , vyasevich@gmail.com Return-path: Received: from charlotte.tuxdriver.com ([70.61.120.58]:40426 "EHLO smtp.tuxdriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752416Ab2GVTSY convert rfc822-to-8bit (ORCPT ); Sun, 22 Jul 2012 15:18:24 -0400 In-Reply-To: <20120722.121409.377271257112948379.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-ID: Thanks all! David Miller wrote: >From: Vlad Yasevich >Date: Sun, 22 Jul 2012 14:18:12 -0400 > >> Neil Horman 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 > ... >> Acked-by: Vlad Yasevich > >Applied, thanks everyone. -- Sent from my Android phone with K-9 Mail. Please excuse my brevity.