IETF Logo Mail Archive

Re: [v6ops] new draft: draft-taylor-v6ops-fragdrop

Brian E Carpenter <brian.e.carpenter@gmail.com> Mon, 29 October 2012 08:25 UTC

Return-Path: <brian.e.carpenter@gmail.com>
X-Original-To: v6ops@ietfa.amsl.com
Delivered-To: v6ops@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3DEAE21F8552 for <v6ops@ietfa.amsl.com>; Mon, 29 Oct 2012 01:25:20 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -101.691
X-Spam-Level:
X-Spam-Status: No, score=-101.691 tagged_above=-999 required=5 tests=[AWL=-0.000, BAYES_00=-2.599, RCVD_ILLEGAL_IP=1.908, RCVD_IN_DNSWL_LOW=-1, USER_IN_WHITELIST=-100]
Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id UbvTHO7sjEI5 for <v6ops@ietfa.amsl.com>; Mon, 29 Oct 2012 01:25:19 -0700 (PDT)
Received: from mail-bk0-f44.google.com (mail-bk0-f44.google.com [209.85.214.44]) by ietfa.amsl.com (Postfix) with ESMTP id 8866221F854C for <v6ops@ietf.org>; Mon, 29 Oct 2012 01:25:19 -0700 (PDT)
Received: by mail-bk0-f44.google.com with SMTP id jc3so1690150bkc.31 for <v6ops@ietf.org>; Mon, 29 Oct 2012 01:25:18 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:organization:user-agent:mime-version:to:cc :subject:references:in-reply-to:content-type :content-transfer-encoding; bh=NQGHV7SS2j4GkegPh+T49mcxsUG1tnu/AEsE98XYt2s=; b=ToMca9aHnjWA1ahf/OHtszPkxT2kjeuylVv2jyX8Y2TbBGpOgMSMf7cxr1Y4w1HOfn QhX8mZLnHVHxj+uERwe1GB36i8OBmvrcXF+IyF9Z8ORNW7EobeFIkzz2BrEjQGZnY6XQ BDvXkhXLh6567BmczqSVitk7iRdxc62mnrvJcPUBMB6pNpOFn95bxrLhY/6S0OEogCQG U6EiBilMr1QIjIdPCktiP4xBZjWeOh1nsSXlgYjKtOIhfg2v1x5vOEWx3lji/u0dD9e6 YhSRsqaf1CuSlcdmj5k2S6PBAeWicxmQiRrx/UL8dXz1mE7s5QPzODvWllzVYYo3t2Oj iAiw==
Received: by 10.204.11.70 with SMTP id s6mr9206054bks.63.1351499118605; Mon, 29 Oct 2012 01:25:18 -0700 (PDT)
Received: from [192.168.1.65] (host-2-102-219-117.as13285.net. [2.102.219.117]) by mx.google.com with ESMTPS id ht18sm3172670bkc.14.2012.10.29.01.25.15 (version=SSLv3 cipher=OTHER); Mon, 29 Oct 2012 01:25:16 -0700 (PDT)
Message-ID: <508E3D6E.60602@gmail.com>
Date: Mon, 29 Oct 2012 08:25:18 +0000
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
User-Agent: Thunderbird 2.0.0.6 (Windows/20070728)
MIME-Version: 1.0
To: Lorenzo Colitti <lorenzo@google.com>
References: <201210161245.q9GCj0i26478@ftpeng-update.cisco.com> <E1829B60731D1740BB7A0626B4FAF0A65E0DEDF5AB@XCH-NW-01V.nw.nos.boeing.com> <BB219517-B488-4777-AE9C-35C57BE91263@kumari.net> <Pine.LNX.4.64.1210171337470.7337@shell4.bayarea.net> <AC530E99-4054-4B0A-9B5C-30F9EF4A530C@kumari.net> <20121018223121.28B2C2A0041D@drugs.dv.isc.org> <50812F87.5000107@inex.ie> <E1829B60731D1740BB7A0626B4FAF0A65E0DF5C66F@XCH-NW-01V.nw.nos.boeing.com> <5085319B.60707@inex.ie> <CAKD1Yr2qDsM6cCPapRmKuWw7SG-cuMd9PuiBD7ineqj7Bp4+Xw@mail.gmail.com> <8C4093E0-4031-4057-9B96-3738A5A48D2D@merike.com> <1351154487.78754.YahooMailNeo@web32504.mail.mud.yahoo.com> <CAKD1Yr1xDC7BefRyaHHKfw9THRkyQWwHS5P05_uWTOV539uS2w@mail.gmail.com> <508A876F.6070503@si6networks.com> <1351454911.47361.YahooMailNeo@web32501.mail.mud.yahoo.com> <CAKD1Yr1CmXV_m4X7Rgdvuj6bXaiaai1rsaosJt5-_m2ChJjgSw@mail.gmail.com> <508E36DA.5090501@gmail.com> <CAKD1Yr1eWJOZiLShUCoknJNth4ZL6vS0s4Vtwkz8errkFesLqw@mail.gmail.com>
In-Reply-To: <CAKD1Yr1eWJOZiLShUCoknJNth4ZL6vS0s4Vtwkz8errkFesLqw@mail.gmail.com>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
Cc: Fernando Gont <fgont@si6networks.com>, V6 Ops <v6ops@ietf.org>
Subject: Re: [v6ops] new draft: draft-taylor-v6ops-fragdrop
X-BeenThere: v6ops@ietf.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: v6ops discussion list <v6ops.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/v6ops>, <mailto:v6ops-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/v6ops>
List-Post: <mailto:v6ops@ietf.org>
List-Help: <mailto:v6ops-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/v6ops>, <mailto:v6ops-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 29 Oct 2012 08:25:20 -0000

On 29/10/2012 08:02, Lorenzo Colitti wrote:
> On Mon, Oct 29, 2012 at 4:57 PM, Brian E Carpenter <
> brian.e.carpenter@gmail.com> wrote:
> 
>> I think the real problem statement is "some operators filter some extension
>> headers, including fragments, and some operators filter ICMP PTB."
>>
> 
> I think we can get to consensus as a group that filtering PTB is a bad idea
> though, right?

I would hope so, and there's already an RFC that covers it, but you did suggest
PMTUD as an alternative to fragmentation. We'd better issue a *complete* advisory.

    Brian

v2.23.0 | Report a Bug | By Email