From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rick Jones Subject: Re: [PATCH net-next 0/8] tou: Transports over UDP - part I Date: Fri, 24 Jun 2016 14:36:04 -0700 Message-ID: <576DA7C4.7040108@hpe.com> References: <1466099522-690741-1-git-send-email-tom@herbertland.com> <20160623.034004.1518087003165708123.davem@davemloft.net> <576B94DA.7070804@nod.at> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Cc: David Miller , Linux Kernel Network Developers , Kernel Team To: Tom Herbert , Richard Weinberger Return-path: Received: from g2t2355.austin.hpe.com ([15.233.44.28]:25385 "EHLO g2t2355.austin.hpe.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751446AbcFXVgG (ORCPT ); Fri, 24 Jun 2016 17:36:06 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: On 06/24/2016 02:12 PM, Tom Herbert wrote: > The client OS side is only part of the story. Middlebox intrusion at > L4 is also a major issue we need to address. The "failure" of TFO is a > good case study. Both the upgrade issues on clients and the tendency > for some middleboxes to drop SYN packets with data have together > severely hindered what otherwise should have been straightforward and > useful feature to deploy. How would you define "severely?" Has it actually been more severe than for say ECN? Or it was for say SACK or PAWS? rick jones