Re: [tcpm] 793bis: IP ID

Joe Touch <touch@strayalpha.com> Thu, 23 January 2020 14:54 UTC

Return-Path: <touch@strayalpha.com>
X-Original-To: tcpm@ietfa.amsl.com
Delivered-To: tcpm@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C5B4612013B for <tcpm@ietfa.amsl.com>; Thu, 23 Jan 2020 06:54:56 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.219
X-Spam-Level:
X-Spam-Status: No, score=-1.219 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NEUTRAL=0.779, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=strayalpha.com
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id hTpl1ntQK6Fk for <tcpm@ietfa.amsl.com>; Thu, 23 Jan 2020 06:54:55 -0800 (PST)
Received: from server217-3.web-hosting.com (server217-3.web-hosting.com [198.54.115.226]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 8AF4A1200E6 for <tcpm@ietf.org>; Thu, 23 Jan 2020 06:54:55 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=strayalpha.com; s=default; h=To:References:Message-Id: Content-Transfer-Encoding:Cc:Date:In-Reply-To:From:Subject:Mime-Version: Content-Type:Sender:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=/2ujeHNxleA22VJbpk2QRFHClQYS5SxiA8K5r5Xyr2E=; b=IT/SvMRgzA+dwzl7+/VVsonEv qrZG9lgOhIiVFMBvVRW+vpZBIkz0Xw0qcn1c0OtNd9NhBS1RiTHGsdNr3N4NkWxBhj7wdG2dHz09k sWs2wL+gR8Z6HWTfaurfP76cKTglTrlHteOSbdVdPBfPMeswrDSh/PVztiIB76ohZTI2T3rmIlnt8 E/CNnOG03QKZJ1mLFWjpmz5Py3qKXG1X1xiyzC7JSkdCWFCQN4gBOlRBdgdxFAReCS4Pe467HtHFn /YDF/xquyNMarbw/2VNWnhyQqVFh5OwRKRSqKk4GuIy0ZAWvVpa54N13MqnEijrfwxeZxM/MoQ9XX 5w7PRuzBw==;
Received: from cpe-172-250-225-198.socal.res.rr.com ([172.250.225.198]:63750 helo=[192.168.1.10]) by server217.web-hosting.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92) (envelope-from <touch@strayalpha.com>) id 1iudse-002wPX-Dv; Thu, 23 Jan 2020 09:54:53 -0500
Content-Type: text/plain; charset=utf-8
Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3608.40.2.2.4\))
From: Joe Touch <touch@strayalpha.com>
In-Reply-To: <495c6e94-d5a4-effe-3c4d-d5275deb8cc8@erg.abdn.ac.uk>
Date: Thu, 23 Jan 2020 06:54:47 -0800
Cc: Fernando Gont <fgont@si6networks.com>, tcpm@ietf.org
Content-Transfer-Encoding: quoted-printable
Message-Id: <F0125DC6-540B-4807-BA46-3D39226FB02B@strayalpha.com>
References: <5D669BDA.3000506@erg.abdn.ac.uk> <5D66A044.3060904@erg.abdn.ac.uk> <f4d75224-d7d0-002b-2bca-f93505d6c9d3@mti-systems.com> <4D99C7DD-F57E-4708-8F02-824EB4BF8E24@weston.borman.com> <333A2AF9-7DDD-4FAA-B0BD-E6871564850F@strayalpha.com> <F9E41A50-83FA-477C-8E19-5CE6A58931D3@weston.borman.com> <a7080caa-18ce-94ec-3bbf-ae5c8d1bc17c@si6networks.com> <495c6e94-d5a4-effe-3c4d-d5275deb8cc8@erg.abdn.ac.uk>
To: Gorry Fairhurst <gorry@erg.abdn.ac.uk>
X-Mailer: Apple Mail (2.3608.40.2.2.4)
X-OutGoing-Spam-Status: No, score=-1.0
X-AntiAbuse: This header was added to track abuse, please include it with any abuse report
X-AntiAbuse: Primary Hostname - server217.web-hosting.com
X-AntiAbuse: Original Domain - ietf.org
X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12]
X-AntiAbuse: Sender Address Domain - strayalpha.com
X-Get-Message-Sender-Via: server217.web-hosting.com: authenticated_id: touch@strayalpha.com
X-Authenticated-Sender: server217.web-hosting.com: touch@strayalpha.com
X-Source:
X-Source-Args:
X-Source-Dir:
X-From-Rewrite: unmodified, already matched
Archived-At: <https://mailarchive.ietf.org/arch/msg/tcpm/51-oZmo3v0lUU22zCtdtyBYA4Og>
Subject: Re: [tcpm] 793bis: IP ID
X-BeenThere: tcpm@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: TCP Maintenance and Minor Extensions Working Group <tcpm.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/tcpm>, <mailto:tcpm-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/tcpm/>
List-Post: <mailto:tcpm@ietf.org>
List-Help: <mailto:tcpm-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/tcpm>, <mailto:tcpm-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 23 Jan 2020 14:54:57 -0000


> On Jan 23, 2020, at 5:24 AM, Gorry Fairhurst <gorry@erg.abdn.ac.uk> wrote:
> 
> I think this is the wrong ID to discuss anything related to IPv4 ID.

I disagree. 

It’s important to support the *requirement* in 6864 by explicitly indicating that the ID *MUST NOT* be used for duplicate segment detection in TCP.

It’s not enough to simply ignore the issue. We can’t fix incorrect implementations unless we have something to back it up.

joe