From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ee0-f45.google.com (mail-ee0-f45.google.com [74.125.83.45]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id 72ACB21F0AE; Wed, 1 May 2013 17:00:32 -0700 (PDT) Received: by mail-ee0-f45.google.com with SMTP id l10so16079eei.18 for ; Wed, 01 May 2013 17:00:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:subject:mime-version:content-type:from:in-reply-to:date :cc:content-transfer-encoding:message-id:references:to:x-mailer; bh=OpHEXuZoq6e6yNh/0NCLPWUJ0Y6I+2Vp5SVmXaoGDYA=; b=aK4qgHMDqmr/cCJLuM15ZiIRqdeIw0C6LuOM7GK2ABI9J6n075F8pPcfWID3pQpeY5 ihTnttTbE0GbWB3YOuLPhg38RzBu2uJMus7wWdbVGasv4/M3ewiVZYmO0ZpKtpU3OWoh 195TRaFMR2ilUJvMZRFEzgRYhay3T30PiUyfNlu5xfKK5aeGypw40OlEDfqsBhJN1/Rr 77nowreL53Z7LvdgaEqpFQW2kT3e2EROsbk9+Lzn8Cn5TMHRDiDbpp0zAbzR6tSBl62x 5f2DD4m5JRqK9lIXm8rEtWzK7OXbK8GIkztsK5SukJRW/a58FtdPdfvKxe34TJCv0oG6 62tQ== X-Received: by 10.15.82.201 with SMTP id a49mr13334828eez.44.1367452830196; Wed, 01 May 2013 17:00:30 -0700 (PDT) Received: from bass.home.chromatix.fi (xdsl-83-150-84-172.nebulazone.fi. [83.150.84.172]) by mx.google.com with ESMTPSA id cd3sm6334832eeb.6.2013.05.01.17.00.28 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 01 May 2013 17:00:29 -0700 (PDT) Mime-Version: 1.0 (Apple Message framework v1085) Content-Type: text/plain; charset=us-ascii From: Jonathan Morton In-Reply-To: <51817A6F.1080006@superduper.net> Date: Thu, 2 May 2013 03:00:27 +0300 Content-Transfer-Encoding: quoted-printable Message-Id: <86AA48E0-B5CD-4A94-AF2B-D75178E8C660@gmail.com> References: <51817A6F.1080006@superduper.net> To: Simon Barber X-Mailer: Apple Mail (2.1085) Cc: codel@lists.bufferbloat.net, cerowrt-devel@lists.bufferbloat.net, bloat@lists.bufferbloat.net Subject: Re: [Cerowrt-devel] [Bloat] Latest codel, fq_codel, and pie sim study from cablelabs now available X-BeenThere: cerowrt-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: Development issues regarding the cerowrt test router project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 May 2013 00:00:33 -0000 On 1 May, 2013, at 11:26 pm, Simon Barber wrote: > 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. >=20 > One downside to SFQ really. The only real solution, for the scenario where this happens, would be to = somehow identify all the BitTorrent traffic and stuff it into a single = bucket, where it has to compete on equal terms with the single VoIP = flow. The big unanswered question is then: can this realistically be = done? Does BitTorrent traffic get marked as the bulk, low priority = traffic it is, for example?=