From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from geheimer.internetendpunkt.de (alternativer.internetendpunkt.de [88.198.24.89]) by huchra.bufferbloat.net (Postfix) with ESMTP id 2869C201296; Wed, 7 Dec 2011 02:19:30 -0800 (PST) Received: by geheimer.internetendpunkt.de (Postfix, from userid 33) id 6ED97F44130; Wed, 7 Dec 2011 11:19:29 +0100 (CET) To: Hagen Paul Pfeifer Subject: Re: [Bloat] Time in Queue, bufferbloat, and... our accidentally interplanetary network MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Date: Wed, 07 Dec 2011 11:19:29 +0100 From: Hagen Paul Pfeifer In-Reply-To: <9dfc3c5eb811f2774b378fce0158b3e7@localhost> References: <1323082774.2670.40.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <9dfc3c5eb811f2774b378fce0158b3e7@localhost> Message-ID: <11877422e38eade300dd1cdb9e423d47@localhost> X-Sender: hagen@jauu.net User-Agent: RoundCube Webmail/0.1-rc1 X-Mailman-Approved-At: Fri, 09 Dec 2011 21:30:04 -0800 Cc: linux-wireless , netdev@vger.kernel.org, bloat-devel , Eric Dumazet , bloat 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: Wed, 07 Dec 2011 10:19:30 -0000 On Wed, 07 Dec 2011 11:15:38 +0100, Hagen Paul Pfeifer wrote: > Question two: I submitted pfast_head_drop to drop more outdated data > instead of new data. Back in time I thought TCP _may_ experience benefits > because more up-to-date SACK data packets are saved. Are there any other > TCP advantages with head drop policy? Small comment: pfast_head_drop was intended for UDP. E.g. OLSR messages, regular GPS reporting and the like. TCP was not the focus at that time. HGN