IETF Logo Mail Archive

Re: [babel] Notes on 6126bis

Matthieu Boutier <boutier@irif.fr> Sat, 22 July 2017 13:21 UTC

Return-Path: <boutier@irif.fr>
X-Original-To: babel@ietfa.amsl.com
Delivered-To: babel@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4E90C129AD1 for <babel@ietfa.amsl.com>; Sat, 22 Jul 2017 06:21:08 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.901
X-Spam-Level:
X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
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 W1uj0UQ2uDj2 for <babel@ietfa.amsl.com>; Sat, 22 Jul 2017 06:21:06 -0700 (PDT)
Received: from korolev.univ-paris7.fr (korolev.univ-paris7.fr [IPv6:2001:660:3301:8000::1:2]) (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 7082C127058 for <babel@ietf.org>; Sat, 22 Jul 2017 06:21:06 -0700 (PDT)
Received: from mailhub.math.univ-paris-diderot.fr (mailhub.math.univ-paris-diderot.fr [81.194.30.253]) by korolev.univ-paris7.fr (8.14.4/8.14.4/relay1/56228) with ESMTP id v6MDL1AI005926; Sat, 22 Jul 2017 15:21:01 +0200
Received: from mailhub.math.univ-paris-diderot.fr (localhost [127.0.0.1]) by mailhub.math.univ-paris-diderot.fr (Postfix) with ESMTP id 06058EB2CC; Sat, 22 Jul 2017 15:21:01 +0200 (CEST)
X-Virus-Scanned: amavisd-new at math.univ-paris-diderot.fr
Received: from mailhub.math.univ-paris-diderot.fr ([127.0.0.1]) by mailhub.math.univ-paris-diderot.fr (mailhub.math.univ-paris-diderot.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id ebeFrc1tB7iV; Sat, 22 Jul 2017 15:21:00 +0200 (CEST)
Received: from mac-matthieu.lan (AAubervilliers-652-1-155-100.w82-121.abo.wanadoo.fr [82.121.102.100]) (Authenticated sender: boutier) by mailhub.math.univ-paris-diderot.fr (Postfix) with ESMTPSA id D341CEB2F0; Sat, 22 Jul 2017 15:20:59 +0200 (CEST)
Content-Type: text/plain; charset="utf-8"
Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\))
From: Matthieu Boutier <boutier@irif.fr>
In-Reply-To: <CFA925EC-B56D-4C5E-8935-4379EE1700D3@apple.com>
Date: Sat, 22 Jul 2017 15:20:59 +0200
Cc: Toke Høiland-Jørgensen <toke@toke.dk>, Babel at IETF <babel@ietf.org>
Content-Transfer-Encoding: quoted-printable
Message-Id: <00F098AD-4E7B-4FAB-8A65-A96D40D38526@irif.fr>
References: <048FE0D8-F651-4FB0-8980-421C2F8FFC8D@irif.fr> <FB170423-34B3-4973-BE0A-0661240C11D1@apple.com> <A7F21726-8364-4ED4-B95B-5D9031E4A473@irif.fr> <87shhon5zl.fsf@toke.dk> <CFA925EC-B56D-4C5E-8935-4379EE1700D3@apple.com>
To: David Schinazi <dschinazi@apple.com>
X-Mailer: Apple Mail (2.3124)
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7 (korolev.univ-paris7.fr [194.254.61.138]); Sat, 22 Jul 2017 15:21:01 +0200 (CEST)
X-Miltered: at korolev with ID 5973513D.000 by Joe's j-chkmail (http : // j-chkmail dot ensmp dot fr)!
X-j-chkmail-Enveloppe: 5973513D.000 from mailhub.math.univ-paris-diderot.fr/mailhub.math.univ-paris-diderot.fr/null/mailhub.math.univ-paris-diderot.fr/<boutier@irif.fr>
X-j-chkmail-Score: MSGID : 5973513D.000 on korolev.univ-paris7.fr : j-chkmail score : . : R=. U=. O=. B=0.000 -> S=0.000
X-j-chkmail-Status: Ham
Archived-At: <https://mailarchive.ietf.org/arch/msg/babel/r7f-SWV0qyTGTAYttFEaTYrHz04>
Subject: Re: [babel] Notes on 6126bis
X-BeenThere: babel@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: "A list for discussion of the Babel Routing Protocol." <babel.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/babel>, <mailto:babel-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/babel/>
List-Post: <mailto:babel@ietf.org>
List-Help: <mailto:babel-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/babel>, <mailto:babel-request@ietf.org?subject=subscribe>
X-List-Received-Date: Sat, 22 Jul 2017 13:21:08 -0000

> I was just thinking of making it "Mandatory Reserved" with a length field for future
> expansion

Well, in that case it's no more symmetric with 0:

  - sub-TLV 0 has no length field,
  - sub-TLV 0 is already assigned and can't be used for future extensions…

…

Oh, except if you really like 128 as a number and you wish to keep it for
one of your extensions ! ;-)

Matthieu

v2.23.0 | Report a Bug | By Email