From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-04-iad.dyndns.com (mxout-073-iad.mailhop.org [216.146.32.73]) by lists.bufferbloat.net (Postfix) with ESMTP id 7DFF12E0270 for ; Thu, 24 Feb 2011 09:20:24 -0800 (PST) Received: from scan-01-iad.mailhop.org (scan-01-iad.local [10.150.0.206]) by mail-04-iad.dyndns.com (Postfix) with ESMTP id 77AC98348FC for ; Thu, 24 Feb 2011 17:20:14 +0000 (UTC) X-Spam-Score: -1.0 (-) X-Mail-Handler: MailHop by DynDNS X-Originating-IP: 209.85.161.43 Received: from mail-fx0-f43.google.com (mail-fx0-f43.google.com [209.85.161.43]) by mail-04-iad.dyndns.com (Postfix) with ESMTP id E7BD78348D7; Thu, 24 Feb 2011 17:20:13 +0000 (UTC) Received: by fxm9 with SMTP id 9so999395fxm.16 for ; Thu, 24 Feb 2011 09:20:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:subject:from:to:cc:in-reply-to:references :content-type:date:message-id:mime-version:x-mailer :content-transfer-encoding; bh=1PqBMFgYhbNtmA9sWKIjXbT+TK2XkzTuSBZ10zpzf6Q=; b=DgcRuwVidqll9tfU3ZrQjhIDh+S5ZoyNgp1xgSa4moFJRlamoBZIjQGMSKfowEjJ9S y7y89GcvOMUunyLybNlX0zgVBTva3tBbbtx8xtpy8N4y+ztEF1DppIuOz8dm/h/+mdOQ YXM+Rjz9iwD4WpYOjz3uBaHXlqZz0yNSIOxl8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:from:to:cc:in-reply-to:references:content-type:date :message-id:mime-version:x-mailer:content-transfer-encoding; b=uQbgk3v2ftp9zvHvRu+zq6Xn/9pgNbE71xWmFE08GSMuPO2lUn8lnuvSK4EDTwT+xx 3fshMJmmL9rqtls2uf286/eRs4q/MspplpQes20ktphAIP6aeoKEYEb4mT04+GYRuaIT 5+J18y55VtI8FcI3t7llT7GGs9+5iwEBuYAb8= Received: by 10.223.112.138 with SMTP id w10mr1297580fap.146.1298567318600; Thu, 24 Feb 2011 09:08:38 -0800 (PST) Received: from [10.150.51.210] (gw0.net.jmsp.net [212.23.165.14]) by mx.google.com with ESMTPS id n1sm57525fam.16.2011.02.24.09.08.36 (version=SSLv3 cipher=OTHER); Thu, 24 Feb 2011 09:08:37 -0800 (PST) Subject: Re: [Bloat] Please enter issues into the issue tracker - Issue system organisation needed. From: Eric Dumazet To: Jim Gettys In-Reply-To: <4D668827.8060508@freedesktop.org> References: <4D6668F4.5010705@freedesktop.org> <4D668827.8060508@freedesktop.org> Content-Type: text/plain; charset="UTF-8" Date: Thu, 24 Feb 2011 18:08:33 +0100 Message-ID: <1298567313.2814.7.camel@edumazet-laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Thu, 24 Feb 2011 10:18:26 -0800 Cc: Van Jacobson , bloat-devel@lists.bufferbloat.net, bloat@lists.bufferbloat.net 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: Thu, 24 Feb 2011 17:20:24 -0000 Le jeudi 24 février 2011 à 11:32 -0500, Jim Gettys a écrit : > So we need better AQM algorithms and extensive testing: as you may have > seen, SFB just went into the Linux mainline this morning. > Indeed ;) > mtr on Linux is a step or > two above old fashioned traceroute and ping. Steve Bauer knows how to > modify traceroute/mtr to give us better ECN diagnosis. I'd love it if > someone would take mtr under their wing and push it forward for both > bufferbloat detection and ECN testing. Not sure I understand here. mtr could send ECN enabled frames to detect ECN blackholes, but since ICMP replies wont have any ECN information, I cant see added value ?