From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] Add sysctl to set the advertised TCP initial receive window. Date: Wed, 09 Dec 2009 18:21:31 -0800 (PST) Message-ID: <20091209.182131.226771813.davem@davemloft.net> References: <87fx7kmg6o.fsf@basil.nowhere.org> <65634d660912091001s44016cccq4f2422e613ba9db9@mail.gmail.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: andi@firstfloor.org, chavey@google.com, netdev@vger.kernel.org To: therbert@google.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:54898 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759472AbZLJCV0 (ORCPT ); Wed, 9 Dec 2009 21:21:26 -0500 In-Reply-To: <65634d660912091001s44016cccq4f2422e613ba9db9@mail.gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Tom Herbert Date: Wed, 9 Dec 2009 10:01:24 -0800 > If we can use larger initial congestion windows on private networks > that we know to be With the keyword here being "network", which is why this must be a route attribute not a sysctl with global unilatteral effect. Otherwise I can tell you what people with both forward and inward facing interfaces are going to do, they'll turn the thing on globally with your sysctl even though they process real Internet traffic. No way, we're not going to make it so easy to screw things up.