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 D9EE121F535 for ; Sat, 18 Apr 2015 12:40:02 -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 1YjYau-00039a-1B; Sat, 18 Apr 2015 21:40:00 +0200 Received: from sesse by pannekake.samfundet.no with local (Exim 4.80) (envelope-from ) id 1YjYat-0009ws-OQ; Sat, 18 Apr 2015 21:39:59 +0200 Date: Sat, 18 Apr 2015 21:39:59 +0200 From: "Steinar H. Gunderson" To: Ketan Kulkarni Message-ID: <20150418193959.GA28137@sesse.net> References: <20150418191151.GA21021@sesse.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Operating-System: Linux 3.18.4 on a x86_64 User-Agent: Mutt/1.5.21 (2010-09-15) Cc: bloat Subject: Re: [Bloat] Bufferbloat in switches and routers 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: Sat, 18 Apr 2015 19:40:31 -0000 On Sat, Apr 18, 2015 at 12:24:28PM -0700, Ketan Kulkarni wrote: >> For Cat3k switches, I can assure you there's no bufferbloat -- they are >> badly underbuffered. > Generically does that mean bufferbloat is the problem predominantly seen > for the cable industry? No. There are tons of other devices that have much larger buffers. Take DSLAMs, for instance. Or higher-end routers. > Cat3k was just an example. There are series of numerous other routers by > many vendors. But Cat3k isn't a router; it's an L3 switch. The difference is somewhat arbitrary, but if you buy something marketed as a router, it's much more likely to have ample buffering and AQM. /* Steinar */ -- Homepage: http://www.sesse.net/