Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 26 Feb 2001 18:52:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 26 Feb 2001 18:51:50 -0500 Received: from kanga.kvack.org ([216.129.200.3]:51217 "EHLO kanga.kvack.org") by vger.kernel.org with ESMTP id ; Mon, 26 Feb 2001 18:51:32 -0500 Date: Mon, 26 Feb 2001 18:47:33 -0500 (EST) From: "Benjamin C.R. LaHaise" To: "David S. Miller" cc: michael@linuxmagic.com, Jan Rekorajski , Chris Wedgwood , linux-kernel@vger.kernel.org, netdev@oss.sgi.com, waltje@uWalt.NL.Mugnet.ORG Subject: Re: [UPDATE] zerocopy.. While working on ip.h stuff In-Reply-To: <15002.58854.215318.882641@pizda.ninka.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 26 Feb 2001, David S. Miller wrote: > Not to my knowledge. Routers already change the time to live field, > so I see no reason why they can't do smart things with special IP > options either (besides efficiency concerns :-). A number of ISPs patch the MSS value to 1492 due to the ridiculous number of PMTU black holes out on the net. Since the ip header fits in the cache of some CPUs (like the P4), this becoming a cheaper operation than ever before. -ben - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/