From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from tuna.sandelman.ca (unknown [IPv6:2607:f0b0:f:3:216:3eff:fe7c:d1f3]) by huchra.bufferbloat.net (Postfix) with ESMTP id D512021F107 for ; Wed, 26 Dec 2012 21:05:41 -0800 (PST) Received: from sandelman.ca (unknown [IPv6:2607:f0b0:f:2::247]) by tuna.sandelman.ca (Postfix) with ESMTP id 151B92016D; Thu, 27 Dec 2012 00:09:10 -0500 (EST) Received: by sandelman.ca (Postfix, from userid 179) id A52ED636C7; Thu, 27 Dec 2012 00:04:57 -0500 (EST) Received: from sandelman.ca (localhost [127.0.0.1]) by sandelman.ca (Postfix) with ESMTP id 94EBB636C4; Thu, 27 Dec 2012 00:04:57 -0500 (EST) From: Michael Richardson To: Hannes Frederic Sowa In-Reply-To: <20121227023728.GB19548@order.stressinduktion.org> References: <20121227023728.GB19548@order.stressinduktion.org> X-Mailer: MH-E 8.3; nmh 1.3-dev; XEmacs 21.4 (patch 22) X-Face: $\n1pF)h^`}$H>Hk{L"x@)JS7<%Az}5RyS@k9X%29-lHB$Ti.V>2bi.~ehC0; <'$9xN5Ub# z!G,p`nR&p7Fz@^UXIn156S8.~^@MJ*mMsD7=QFeq%AL4m Sender: mcr@sandelman.ca Cc: bloat@lists.bufferbloat.net Subject: Re: [Bloat] enabling outgoing tcp-ecn by default for ipv6 links 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: Thu, 27 Dec 2012 05:05:42 -0000 --=-=-= Content-Transfer-Encoding: quoted-printable >>>>> "Hannes" =3D=3D Hannes Frederic Sowa wri= tes: Hannes> I am thinking about advancing the ipv4/tcp_ecn knob in linux to Hannes> distinguish between ipv4 and ipv6 transport and enable ecn sign= aling Hannes> on outgoing ipv6 connections by default (for me, at least). I am Hannes> currently doing so with the help of iptables (echo 1 > tcp_ecn = and -j Hannes> ECN --ecn-tcp-remove). I think it's definitely worth splitting the sysctl, so that we can at least learn if it can fly in v6 land. I'd turn it on. I suggest that doing this without a way to report on a path/IP/vendor that is screwing things up is a mistake. http://urchin.earth.li/ecn/ went inactive again in 2011. =2D-=20 ] He who is tired of Weird Al is tired of life! | firewall= s [ ] Michael Richardson, Sandelman Software Works, Ottawa, ON |net archit= ect[ ] mcr@sandelman.ottawa.on.ca http://www.sandelman.ottawa.on.ca/ |device dri= ver[ Kyoto Plus: watch the video then sign the petition.=20 --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQCVAwUAUNvW+YqHRg3pndX9AQLX7AQAk36GDsUgVu0Kj4ZfC++6HYI3sZ0ojhA2 1QHo07HvKyr8H8Ax1ISdmgxYs0l7EROEPgW3sRp+kkhc2hwqlWqPMb5Ehho7wqtk SIryQWWoteqH2SkSbKYjsfVxCOjijGhidOLWm3+r18uW+s8qr4UZDleTtf0IU/ML /obZiY8+J2s= =Jb4A -----END PGP SIGNATURE----- --=-=-=--