From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8D126C3A5A2 for ; Tue, 3 Sep 2019 22:44:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 63D75215EA for ; Tue, 3 Sep 2019 22:44:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726490AbfICWoA (ORCPT ); Tue, 3 Sep 2019 18:44:00 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:52714 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725977AbfICWoA (ORCPT ); Tue, 3 Sep 2019 18:44:00 -0400 Received: from localhost (unknown [62.21.130.100]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 4E37414B7A0C7; Tue, 3 Sep 2019 15:43:58 -0700 (PDT) Date: Tue, 03 Sep 2019 15:43:56 -0700 (PDT) Message-Id: <20190903.154356.856345970271500460.davem@davemloft.net> To: sirus.shahini@gmail.com Cc: eric.dumazet@gmail.com, shiraz.saleem@intel.com, jgg@ziepe.ca, arnd@arndb.de, netdev@vger.kernel.org, sirus@cs.utah.edu Subject: Re: [PATCH] Clock-independent TCP ISN generation From: David Miller In-Reply-To: References: <2cbd5a8f-f120-a7df-83a3-923f33ca0a10@gmail.com> X-Mailer: Mew version 6.8 on Emacs 26.2 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Tue, 03 Sep 2019 15:43:59 -0700 (PDT) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Cyrus Sh Date: Tue, 3 Sep 2019 10:06:03 -0600 > On 9/3/19 9:59 AM, Eric Dumazet wrote: >> >> You could add a random delay to all SYN packets, if you believe your host has clock skews. > > In theory yes, but again do you know any practical example with tested > applications and the list of the rules? I'm interested to see an actual example > that somebody has carried out and observed its results. That's ironic that you're asking for specific and "practical" examples when you submitted a kernel patch that doesn't even compile.