From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from masada.superduper.net (unknown [IPv6:2001:ba8:1f1:f263::2]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by huchra.bufferbloat.net (Postfix) with ESMTPS id 887C621F0AE; Wed, 1 May 2013 13:26:31 -0700 (PDT) Received: from 199-83-222-22.public.monkeybrains.net ([199.83.222.22] helo=[192.168.1.119]) by masada.superduper.net with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1UXdbf-0007tL-Dx; Wed, 01 May 2013 21:26:28 +0100 Message-ID: <51817A6F.1080006@superduper.net> Date: Wed, 01 May 2013 13:26:23 -0700 From: Simon Barber User-Agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130329 Thunderbird/17.0.5 MIME-Version: 1.0 To: Dave Taht References: In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -2.9 (--) Cc: codel@lists.bufferbloat.net, cerowrt-devel@lists.bufferbloat.net, bloat@lists.bufferbloat.net Subject: Re: [Codel] [Bloat] Latest codel, fq_codel, and pie sim study from cablelabs now available X-BeenThere: codel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: CoDel AQM discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 01 May 2013 20:26:31 -0000 Interesting to note that sfq-codel's reaction to a non conforming flow is of course to start dropping more aggressively to make it conform, leading to the high loss rates for whatever is hashed together with a VoIP flow that does not reduce it's bandwidth. One downside to SFQ really. Simon On Wed 01 May 2013 04:23:00 AM PDT, Dave Taht wrote: > Greg White and his team over at cablelabs have just published their > latest simulation results of the aqm algorithms under test on > simulated cable modems. > > This paper is vastly expanded from the presentation at ietf 86 iccrg, > including great descriptions the effects of latency on web, voice, and > gaming traffic, and of codel, fq_codel, and pie. There's an excellent > and deep section on the characteristics of gaming traffic, a ton of > new graphs and analysis, and much much more. > > http://www.cablelabs.com/downloads/pubs/Active_Queue_Management_Algorithms_DOCSIS_3_0.pdf > > While I have a few quibbles, I'll reserve them until after more folk > have had a chance to read this. > > It's good stuff. >