From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-03-ewr.dyndns.com (mxout-037-ewr.mailhop.org [216.146.33.37]) by lists.bufferbloat.net (Postfix) with ESMTP id 5A97A2E0322 for ; Thu, 24 Mar 2011 06:55:18 -0700 (PDT) Received: from scan-02-ewr.mailhop.org (scan-02-ewr.local [10.0.141.224]) by mail-03-ewr.dyndns.com (Postfix) with ESMTP id 6B854786EB4 for ; Thu, 24 Mar 2011 13:55:16 +0000 (UTC) X-Spam-Score: -1.0 (-) X-Mail-Handler: MailHop by DynDNS X-Originating-IP: 209.85.161.43 Received: from mail-fx0-f43.google.com (mail-fx0-f43.google.com [209.85.161.43]) by mail-03-ewr.dyndns.com (Postfix) with ESMTP id C75F9786D40 for ; Thu, 24 Mar 2011 13:55:15 +0000 (UTC) Received: by fxm3 with SMTP id 3so85157fxm.16 for ; Thu, 24 Mar 2011 06:55:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:subject:from:to:cc:in-reply-to:references :content-type:date:message-id:mime-version:x-mailer :content-transfer-encoding; bh=UZfv1jHEoEXQK42WaxqNx78V7XgpmftL8yYn2WRzvqw=; b=jqdcBzoni8hwzCRaHes0SopnEP4vWh0cB3+ZA2MO9af/4sGY/HI2RvU9BJYUYvx1YV yWJ+OCsNCiGjPyEJhMR1X/X6Hj/E4zvUYcPdtE4MDqYewuQnygd3aKRokukbScTTCz6l IFqNijRdZ7DM3V+C7rpUEETvOGDsTQq3HAORw= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:from:to:cc:in-reply-to:references:content-type:date :message-id:mime-version:x-mailer:content-transfer-encoding; b=WoqcYF4FxsuHETXqm9UfcdmTTbsbSiCkzhDVOPcxkytK2o1fkGTCyYjWyqbXG+LUn2 7BnIjJAYqyHKueGyIbhPnZOfqZHv3izLmY8xz39tyCAhOSmgkUo8wkhYrMrG2CjK61hT 3fWWsv2/USpuSIxBIQ4HdBSSzz8DM3I443Yd0= Received: by 10.223.14.137 with SMTP id g9mr4814407faa.8.1300974908058; Thu, 24 Mar 2011 06:55:08 -0700 (PDT) Received: from [10.150.51.210] (gw0.net.jmsp.net [212.23.165.14]) by mx.google.com with ESMTPS id c21sm3672230fac.46.2011.03.24.06.55.06 (version=SSLv3 cipher=OTHER); Thu, 24 Mar 2011 06:55:07 -0700 (PDT) Subject: Re: [Bloat] Thoughts on Stochastic Fair Blue From: Eric Dumazet To: Dave Taht In-Reply-To: References: <7imxklz5vu.fsf@lanthane.pps.jussieu.fr> <160809C8-284C-4463-97FE-0E2F03C08589@gmail.com> <1300973556.3747.9.camel@edumazet-laptop> Content-Type: text/plain; charset="UTF-8" Date: Thu, 24 Mar 2011 14:55:04 +0100 Message-ID: <1300974904.3747.12.camel@edumazet-laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Content-Transfer-Encoding: 8bit Cc: bloat-devel@lists.bufferbloat.net X-BeenThere: bloat-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: "Developers working on AQM, device drivers, and networking stacks" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 24 Mar 2011 13:55:18 -0000 Le jeudi 24 mars 2011 à 09:44 -0400, Dave Taht a écrit : > Can we try to keep coding stuff on bloat-devel? The traffic level on > bloat is (wonderfully) huge as it is, but a goodly percentage of the > audience can't deal at this level. > > Eric had also sent me an interesting attempt at a 4 band pfifo_fast, > which explicitly prioritized ecn-enabled packets, I was wondering if > he could resend? Hmm, this attempt was a bit stupid, since packets for a given TCP flow are not all ECN marked. Just forget it, since using two different queues would allow OOO (Out Of Order) packets. To make this work, we could need support from netfilter conntracking for example...