From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cassarossa.samfundet.no (cassarossa.samfundet.no [IPv6:2001:67c:29f4::29]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client did not present a certificate) by huchra.bufferbloat.net (Postfix) with ESMTPS id 8889A21F2F8 for ; Tue, 24 Mar 2015 12:57:19 -0700 (PDT) Received: from pannekake.samfundet.no ([2001:67c:29f4::50] ident=unknown) by cassarossa.samfundet.no with esmtps (TLS1.2:DHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.80) (envelope-from ) id 1YaUwt-0007ek-PY for bloat@lists.bufferbloat.net; Tue, 24 Mar 2015 20:57:16 +0100 Received: from sesse by pannekake.samfundet.no with local (Exim 4.80) (envelope-from ) id 1YaUwt-0007RS-JD for bloat@lists.bufferbloat.net; Tue, 24 Mar 2015 20:57:15 +0100 Date: Tue, 24 Mar 2015 20:57:15 +0100 From: "Steinar H. Gunderson" To: bloat@lists.bufferbloat.net Message-ID: <20150324195715.GA22175@sesse.net> References: <4FEFA225-B30F-40E2-8594-BDBF1D9F3DFB@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <4FEFA225-B30F-40E2-8594-BDBF1D9F3DFB@gmail.com> X-Operating-System: Linux 3.18.4 on a x86_64 User-Agent: Mutt/1.5.21 (2010-09-15) Subject: Re: [Bloat] facebook releases network test tool for slow and dodgy conditions 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: Tue, 24 Mar 2015 19:57:49 -0000 On Tue, Mar 24, 2015 at 03:49:42PM -0400, Rich Brown wrote: > I hope they *do* have bufferbloat in their emulator. It'd be a real shame > if they failed to mimic the presence of bufferbloat in 3G/4G/DSL/etc. > uplinks. Imagine if everyone developed their app using ATC, then wondered > why their performance stinks in the real world... Does the distinction between “low-throughput, low-latency” and “low-throughput, low-latency, bufferbloated” really mean all that much for the average userspace app? You have to go pretty deep in the stack before the _reason_ for the slowness matters much. /* Steinar */ -- Homepage: http://www.sesse.net/