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=-2.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 75099C3A5A2 for ; Tue, 3 Sep 2019 16:16:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4AFCE23431 for ; Tue, 3 Sep 2019 16:16:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="LuOz2fIy" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729117AbfICQQO (ORCPT ); Tue, 3 Sep 2019 12:16:14 -0400 Received: from mail-wm1-f65.google.com ([209.85.128.65]:54341 "EHLO mail-wm1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728571AbfICQQO (ORCPT ); Tue, 3 Sep 2019 12:16:14 -0400 Received: by mail-wm1-f65.google.com with SMTP id k2so112637wmj.4 for ; Tue, 03 Sep 2019 09:16:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=n+PT/ljKd90pClvM3jxWxKx7GDQ+a9uqR7P0TDJ8Ozc=; b=LuOz2fIyE+NoZIDgyr5PX+GllkuAYKXCoB+ZK+NsodemE0THaZn2BBIlUG7zLEgBlf DfF4FSBBbLo/plvEim1na00qpmUxTD9rLDAJVU+5KBPoaeBfAItdgRFDa0nfkr1hXWz5 jY5ixDPCM8dZZxYv3tnGAN/nQbs0fEdKtMYpHIMPyY5uspPFrAcbjzesR+0CAwq/Ue5N qVkXaQNZGanGJnEU1WqZXGhCm2lLPolGOf/jeq723ZovFV359Y0AhaWYe0vuR93d/UgF d90nLktEHh+WNfv2vhwbLyKpHtWvyHGuSFQBGy1/ZADcTP3mWNOZSt63Ib3ZMeZc3Cet aiqA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=n+PT/ljKd90pClvM3jxWxKx7GDQ+a9uqR7P0TDJ8Ozc=; b=R1OVVWkhsz9qPtXBntTHxtz+9pShstI0jqSXsQGFRkeCXohiFKzKtWHZv50tbyJj3J x2ImYhePmEFc3OjYMXOo6T1QWNA8d/CmSR5QAswOr1g8ep0PuTGbnlHB1juzvlAiZixH chLlz3ppQT5hftOIRNhXT8AmL7jDTkhRjQ19x89uNllIpSA4uVKypCwH2iF4M4P5ZTlD MLjVX87/bbHN4Fwra2S+wA1FkOQQ9F39VpbHmilhbueQDkR/YW3Hh+3v4RoxE9KQB6Sw aGDetflOkduALNi06IZIqqsFc/K5RZJKVcvDd8eGalot0qI8pEOoSxSgtcCvnqsTwf3e JO/g== X-Gm-Message-State: APjAAAU1FWg5Jpe89p4AucQGx+P4OW2fVEuo5lCf04mpTU/4KxtEG7nf nCPQPKg3nhiZUBuXVCLLHsX3GeKg X-Google-Smtp-Source: APXvYqz+rGPnriaCs7gj788p9+vae80S2uASplQZMrP5U79AyBFQonOjbz4l6ibk0lx2joMnU72q7A== X-Received: by 2002:a1c:1aca:: with SMTP id a193mr111904wma.120.1567527372092; Tue, 03 Sep 2019 09:16:12 -0700 (PDT) Received: from [192.168.8.147] (83.173.185.81.rev.sfr.net. [81.185.173.83]) by smtp.gmail.com with ESMTPSA id d17sm27343040wre.27.2019.09.03.09.16.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 03 Sep 2019 09:16:11 -0700 (PDT) Subject: Re: [PATCH] Clock-independent TCP ISN generation To: Cyrus Sh , Eric Dumazet , davem@davemloft.net Cc: shiraz.saleem@intel.com, jgg@ziepe.ca, arnd@arndb.de, netdev@vger.kernel.org, sirus@cs.utah.edu References: <70c41960-6d14-3943-31ca-75598ad3d2d7@gmail.com> <2cbd5a8f-f120-a7df-83a3-923f33ca0a10@gmail.com> <4ffba048-a46c-41da-ce67-e5dbac1de5a7@gmail.com> From: Eric Dumazet Message-ID: Date: Tue, 3 Sep 2019 18:16:10 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <4ffba048-a46c-41da-ce67-e5dbac1de5a7@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 9/3/19 6:12 PM, Cyrus Sh wrote: > > > 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. > > And by the way adding delays has its own performance penalties. > You understand your patch has been rejected, right ? You will have to convince people at IETF and get a proper RFC before I even look at the idea. BTW, sending a patch only dealing with IPv4 is also not a good thing.