From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: Resend: [PATCH] TCP Early Retransmit: reduce required dupacks for triggering fast retrans Date: Tue, 22 Sep 2009 13:40:21 -0700 (PDT) Message-ID: <20090922.134021.82409230.davem@davemloft.net> References: Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: Christian.Samsel@rwth-aachen.de Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:40273 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752520AbZIVUkC (ORCPT ); Tue, 22 Sep 2009 16:40:02 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: From: Christian Samsel Date: Tue, 22 Sep 2009 08:59:30 +0000 (GMT) > This patch implements draft-ietf-tcpm-early-rexmt. The early retransmit > mechanism allows the transport to reduce the number of duplicate > acknowledgments required to trigger a fast retransmission in case we > don't expect enough dupacks, (e.g. because there are not enough > packets inflight and nothing to send). This allows the transport to use > fast retransmit to recover packet losses that would otherwise require > a lengthy retransmission timeout. > > See: http://tools.ietf.org/html/draft-ietf-tcpm-early-rexmt-01 > > Signed-off-by: Christian Samsel What changed from the previous version? Nothing? If you're resending just to get our attention, please don't do that. It only creates confusion and makes it take longer for your patch to get reviewed and applied.