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 9303E21F772 for ; Wed, 23 Sep 2015 05:22:47 -0700 (PDT) Received: from yesthisis.dog ([2001:67c:29f4::3007] helo=pannekake.samfundet.no ident=unknown) by cassarossa.samfundet.no with esmtps (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.80) (envelope-from ) id 1Zej4O-0003wW-B6 for bloat@lists.bufferbloat.net; Wed, 23 Sep 2015 14:22:44 +0200 Received: from sesse by pannekake.samfundet.no with local (Exim 4.84) (envelope-from ) id 1Zej4O-0000Ao-5R for bloat@lists.bufferbloat.net; Wed, 23 Sep 2015 14:22:44 +0200 Date: Wed, 23 Sep 2015 14:22:44 +0200 From: "Steinar H. Gunderson" To: bloat@lists.bufferbloat.net Message-ID: <20150923122244.GA12149@sesse.net> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Operating-System: Linux 4.1.4 on a x86_64 User-Agent: Mutt/1.5.23 (2014-03-12) Subject: Re: [Bloat] bloat at gigE 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: Wed, 23 Sep 2015 12:23:11 -0000 On Wed, Sep 23, 2015 at 07:10:33AM -0500, Benjamin Cronce wrote: > The upload wasn't even saturated. Probably why upload bloat was very low. > Large bloat on the download just shows you the server really can push more > than 1Gb. 200ms bloat with 913Mb down is about 20MiB of buffer. That's > insane! That's about 20x more buffer than my entire 24 port 1Gb Procurve > managed switch. What kind of network equipment has that much buffer? When I ran the bufferbloat test last time, I got pretty much exactly 250 ms bloat at 1 GigE. That's ~30 MB. The equipment at the other end (where I suppose the bloat was) was a Juniper MX960. /* Steinar */ -- Homepage: http://www.sesse.net/