From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 26 Jan 2001 05:38:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 26 Jan 2001 05:38:07 -0500 Received: from mail.zmailer.org ([194.252.70.162]:50186 "EHLO zmailer.org") by vger.kernel.org with ESMTP id ; Fri, 26 Jan 2001 05:37:57 -0500 Date: Fri, 26 Jan 2001 12:37:49 +0200 From: Matti Aarnio To: "David S. Miller" Cc: "H. Peter Anvin" , linux-kernel@vger.kernel.org Subject: Re: hotmail not dealing with ECN Message-ID: <20010126123749.E25659@mea-ext.zmailer.org> In-Reply-To: <94qcvm$9qp$1@cesium.transmeta.com> <14960.54069.369317.517425@pizda.ninka.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <14960.54069.369317.517425@pizda.ninka.net>; from davem@redhat.com on Thu, Jan 25, 2001 at 05:30:29PM -0800 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 25, 2001 at 05:30:29PM -0800, David S. Miller wrote: ... > Thirdly, it was widely discussed by the ECN reserachers on how to > "detect ECN blackholes" sort to speak. All such schemes suggested > we unusable, it is not doable without impacting performance _and_ > violating existing RFCs. Basically, you have to ignore a valid TCP > reset to deal with some of the ECN holes out there, that is where such > workaround attempts become full crap and are unsatisfactory for > inclusion in any implementation much less an RFC. Happily, we got the > ECN folks to agree with Alexey and myself on these points. > > So turning it off on a per-connection basis is not really an option. But could you nevertheless consider supplying a socket option for it ? By all means default it per sysctl, but allow clearing/setting by program too. ... > Later, > David S. Miller > davem@redhat.com /Matti Aarnio - 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/