Re: [6tisch] tagging join traffic wih DSCP: why inside IP header?

Michael Richardson <mcr+ietf@sandelman.ca> Wed, 15 November 2017 20:50 UTC

Return-Path: <mcr+ietf@sandelman.ca>
X-Original-To: 6tisch@ietfa.amsl.com
Delivered-To: 6tisch@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3A10B124B18 for <6tisch@ietfa.amsl.com>; Wed, 15 Nov 2017 12:50:02 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.9
X-Spam-Level:
X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=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 ZL6fZbyqlLZl for <6tisch@ietfa.amsl.com>; Wed, 15 Nov 2017 12:50:00 -0800 (PST)
Received: from tuna.sandelman.ca (tuna.sandelman.ca [209.87.249.19]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 9499E1242F7 for <6tisch@ietf.org>; Wed, 15 Nov 2017 12:50:00 -0800 (PST)
Received: from sandelman.ca (obiwan.sandelman.ca [209.87.249.21]) by tuna.sandelman.ca (Postfix) with ESMTP id 71F8F20008; Wed, 15 Nov 2017 15:51:42 -0500 (EST)
Received: from obiwan.sandelman.ca (localhost [IPv6:::1]) by sandelman.ca (Postfix) with ESMTP id CAAAB81DB3; Wed, 15 Nov 2017 15:49:59 -0500 (EST)
From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Thomas Watteyne <thomas.watteyne@inria.fr>
cc: "Pascal Thubert (pthubert)" <pthubert@cisco.com>, "6tisch@ietf.org" <6tisch@ietf.org>
In-Reply-To: <CADJ9OA-JgzSpDKSbZ=7P91beoThvVh+0_HgLvVRiaWMhHmv+iQ@mail.gmail.com>
References: <CADJ9OA_cKxWZLvfpNXhjNgL1HurfdK-Oqj1M-wU9pK5t+1kU4g@mail.gmail.com> <20396.1510678103@obiwan.sandelman.ca> <32033.1510687749@obiwan.sandelman.ca> <92bca0456cb746c995733131edad10a2@XCH-RCD-001.cisco.com> <CADJ9OA_b2fHUg=3utnCv8iTMZcwL-n3J_H2N6uU=v8SjenjmFA@mail.gmail.com> <361109c852ca4d8e983f19899648c811@XCH-RCD-001.cisco.com> <CADJ9OA-JgzSpDKSbZ=7P91beoThvVh+0_HgLvVRiaWMhHmv+iQ@mail.gmail.com>
X-Mailer: MH-E 8.6; nmh 1.7-RC3; GNU Emacs 24.5.1
X-Face: $\n1pF)h^`}$H>Hk{L"x@)JS7<%Az}5RyS@k9X%29-lHB$Ti.V>2bi.~ehC0; <'$9xN5Ub# z!G,p`nR&p7Fz@^UXIn156S8.~^@MJ*mMsD7=QFeq%AL4m<nPbLgmtKK-5dC@#:k
MIME-Version: 1.0
Content-Type: multipart/signed; boundary="=-=-="; micalg="pgp-sha256"; protocol="application/pgp-signature"
Date: Wed, 15 Nov 2017 15:49:59 -0500
Message-ID: <32611.1510778999@obiwan.sandelman.ca>
Archived-At: <https://mailarchive.ietf.org/arch/msg/6tisch/_DtC-R-gakIx0KMx2BXxGrd5gws>
Subject: Re: [6tisch] tagging join traffic wih DSCP: why inside IP header?
X-BeenThere: 6tisch@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tisch.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/6tisch>, <mailto:6tisch-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/6tisch/>
List-Post: <mailto:6tisch@ietf.org>
List-Help: <mailto:6tisch-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/6tisch>, <mailto:6tisch-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 15 Nov 2017 20:50:02 -0000

Thomas Watteyne <thomas.watteyne@inria.fr> wrote:
    > You're saying that I can be exchanging data between motes in the mesh
    > and hosts on the Internet, while inserting/deleting RPI and RPL routing
    > headers en-route, i.e. without IPIP?

We did not say that in useofrplinfo!

Pascal is, I think, overstating the compromise/ambiguous text in RFC8200.


--
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
 -= IPv6 IoT consulting =-