From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 29 Jan 2001 10:27:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 29 Jan 2001 10:27:11 -0500 Received: from [213.95.15.193] ([213.95.15.193]:40975 "HELO Cantor.suse.de") by vger.kernel.org with SMTP id ; Mon, 29 Jan 2001 10:26:56 -0500 Date: Mon, 29 Jan 2001 13:30:16 +0100 From: Andi Kleen To: "David S. Miller" Cc: James Sutherland , Miquel van Smoorenburg , linux-kernel@vger.kernel.org Subject: Re: ECN: Clearing the air (fwd) Message-ID: <20010129133016.A28458@gruyere.muc.suse.de> In-Reply-To: <951am4$gbf$1@ncc1701.cistron.net> <14965.7321.926528.391631@pizda.ninka.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <14965.7321.926528.391631@pizda.ninka.net>; from davem@redhat.com on Sun, Jan 28, 2001 at 11:32:41PM -0800 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jan 28, 2001 at 11:32:41PM -0800, David S. Miller wrote: > > James Sutherland writes: > > Except you can detect and deal with these "PMTU black holes". Just as you > > should detect and deal with ECN black holes. Maybe an ideal Internet > > wouldn't have them, but this one does. If you can find an ideal Internet, > > go code for it: until then, stick with the real one. It's all we've got. > > Guess what, Linux works not around PMTU black holes either for the > same exact reason we will not work around ECN. Actually PMTU black hole detection is very hard. I tried to implement it, but failed to make it not do bad things occasionally. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/