From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lanfw001a.cxnet.dk (lanfw001a.cxnet.dk [87.72.215.196]) by huchra.bufferbloat.net (Postfix) with ESMTP id C1A09200A9C for ; Wed, 8 Jun 2011 08:08:06 -0700 (PDT) Received: from [87.72.44.50] (lanvpn001a.cxnet.dk [87.72.215.222]) by lanfw001a.cxnet.dk (Postfix) with ESMTP id 1C78F163542; Wed, 8 Jun 2011 17:28:34 +0200 (CEST) From: Jesper Dangaard Brouer To: Eric Dumazet In-Reply-To: <1307545032.3057.45.camel@edumazet-laptop> References: <1307537773.3057.17.camel@edumazet-laptop> <1307545032.3057.45.camel@edumazet-laptop> Content-Type: text/plain; charset="UTF-8" Organization: ComX Networks A/S Date: Wed, 08 Jun 2011 11:27:51 -0400 Message-ID: <1307546871.20906.223.camel@probook> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Content-Transfer-Encoding: 7bit Cc: Thomas Graf , bloat Subject: Re: [Bloat] Notes about hacking on AQMs X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list Reply-To: jdb@comx.dk List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Jun 2011 15:08:07 -0000 On Wed, 2011-06-08 at 16:57 +0200, Eric Dumazet wrote: > Just add to your HTB some RED qdisc ? You have a framework to build > whatever is needed. Dont try to use a "single magic thing that will > solve all my problems". This reminds me the ESFQ attempt : Patrick > prefered to plug an external classifier in SFQ, instead of adding > specialized code in each possible Qdisc. While this is a good coding approach, the end result is that nobody is using this stuff, because "tc" is so difficult to use, and its error feedback is so lousy that you will never figure out your small syntax errors. I wonder if Thomas Graf ever finished/release his alternative to tc? [...] > I like the time being the feedback instead of queue length (hard to > tune, especially if bandwidth is unknown) I love the idea of using the delay time as parameter/feedback :-) -- Best regards, Jesper Dangaard Brouer ComX Networks A/S Linux Network Kernel Developer Cand. Scient Datalog / MSc.CS Author of http://adsl-optimizer.dk LinkedIn: http://www.linkedin.com/in/brouer