From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hagen Paul Pfeifer Subject: Re: [PATCH] tcp: make TCP quick ACK behavior modifiable Date: Mon, 23 Aug 2010 23:51:15 +0200 Message-ID: <20100823215115.GA2745@nuttenaction> References: <1282590037-18566-1-git-send-email-hagen@jauu.net> <20100823121449.29419771@nehalam> <20100823200820.GB5896@nuttenaction> <20100823.142114.220045878.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: shemminger@vyatta.com, netdev@vger.kernel.org, eric.dumazet@gmail.com, ilpo.jarvinen@helsinki.fi, therbert@google.com To: David Miller Return-path: Received: from alternativer.internetendpunkt.de ([88.198.24.89]:54009 "EHLO geheimer.internetendpunkt.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754117Ab0HWVvU (ORCPT ); Mon, 23 Aug 2010 17:51:20 -0400 Content-Disposition: inline In-Reply-To: <20100823.142114.220045878.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-ID: * David Miller | 2010-08-23 14:21:14 [-0700]: >> At least google inc is too busy to disable tcp quick ack's. And I >> think they will save a lot of packets! Who make a bet? ;) > >I think assuming that turning off quick ACKs will be a net >positive for google's traffic is a bit presumptuous, don't >you? bet? ;) The patch provides a switch to disable quick acks. If google or someone else is using this switch or not is up to the audience! ;) I don't know how many packets the current average HTTP session includes, but assuming ~20 packets the saving of one packet is a benefit.