From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S269747AbTHFP6f (ORCPT ); Wed, 6 Aug 2003 11:58:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S269676AbTHFP6f (ORCPT ); Wed, 6 Aug 2003 11:58:35 -0400 Received: from pirx.hexapodia.org ([208.42.114.113]:10831 "EHLO pirx.hexapodia.org") by vger.kernel.org with ESMTP id S269747AbTHFP6b (ORCPT ); Wed, 6 Aug 2003 11:58:31 -0400 Date: Wed, 6 Aug 2003 10:58:30 -0500 From: Andy Isaacson To: Werner Almesberger Cc: linux-kernel@vger.kernel.org Subject: Re: TOE brain dump Message-ID: <20030806105830.B26920@hexapodia.org> References: <20030802140444.E5798@almesberger.net> <3F2BF5C7.90400@us.ibm.com> <3F2C0C44.6020002@pobox.com> <20030802184901.G5798@almesberger.net> <20030804162433.L5798@almesberger.net> <20030806021304.E5798@almesberger.net> <20030806103758.H5798@almesberger.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20030806103758.H5798@almesberger.net>; from werner@almesberger.net on Wed, Aug 06, 2003 at 10:37:58AM -0300 X-PGP-Fingerprint: 48 01 21 E2 D4 E4 68 D1 B8 DF 39 B2 AF A3 16 B9 X-PGP-Key-URL: http://web.hexapodia.org/~adi/pgp.txt X-Domestic-Surveillance: money launder bomb tax evasion Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 06, 2003 at 10:37:58AM -0300, Werner Almesberger wrote: > Eric W. Biederman wrote: > > to keep your latency down. Do any ethernet switches do cut-through? > > According to Google, many at least claim to do this. Do you have any references for this claim? I have never seen one that panned out (at least not since the high-end-10mbps days). Just to be clear, I am asking for an example of a Gigabit Ethernet switch that supports cut-through switching. I contend that there is no such beast commercially available today. (It would be even more interesting if it could switch 9000-octet jumbo frames, too.) I'm sure someone is going to point me to a $10,000/port monster, and while that's not very feasible for my needs, it would still be interesting. -andy