From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1-g21.free.fr (smtp1-g21.free.fr [212.27.42.1]) by huchra.bufferbloat.net (Postfix) with ESMTP id BF9CE21F11C for ; Wed, 3 Apr 2013 12:35:11 -0700 (PDT) Received: from pirx.pps.jussieu.fr (bob75-6-82-238-73-9.fbx.proxad.net [82.238.73.9]) by smtp1-g21.free.fr (Postfix) with ESMTP id 5934D940252; Wed, 3 Apr 2013 21:34:44 +0200 (CEST) Received: from localhost ([127.0.0.1] helo=pirx.pps.jussieu.fr) by pirx.pps.jussieu.fr with esmtp (Exim 4.80) (envelope-from ) id 1UNTSe-0001jF-Ah; Wed, 03 Apr 2013 21:35:08 +0200 Date: Wed, 03 Apr 2013 21:35:08 +0200 Message-ID: <87ip43s903.wl%jch@pps.univ-paris-diderot.fr> From: Juliusz Chroboczek To: Hagen Paul Pfeifer In-Reply-To: <20130403182304.GA3381@virgo.local> References: <514A1A60.2090006@swin.edu.au> <20130320161622.25fbd642@nehalam.linuxnetplumber.net> <87y5czscml.wl%jch@pps.univ-paris-diderot.fr> <20130403182304.GA3381@virgo.local> User-Agent: Wanderlust/2.15.9 MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Cc: bloat@lists.bufferbloat.net Subject: Re: [Bloat] Solving bufferbloat with TCP using packet delay X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Apr 2013 19:35:13 -0000 >> All modern delay-based congestion algorithms that I am aware of use >> one-way delay as an indicator of congestion, not RTT. > It depends on what you define as modern [...] Vegas? Yeah-TCP? Nope. Vegas is some 20 years old, if memory serves. I'm not familiar with Yeah-TCP. (TCP-LP and LEDBAT both use one-way delay.) -- Juliusz