Re: [core] CoAP option for Well-Known Uri-Path

Michael Richardson <mcr+ietf@sandelman.ca> Mon, 20 September 2021 16:22 UTC

Return-Path: <mcr+ietf@sandelman.ca>
X-Original-To: core@ietfa.amsl.com
Delivered-To: core@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id AF5563A00C4 for <core@ietfa.amsl.com>; Mon, 20 Sep 2021 09:22:22 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.899
X-Spam-Level:
X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, 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 TXwZZRO78fDB for <core@ietfa.amsl.com>; Mon, 20 Sep 2021 09:22:17 -0700 (PDT)
Received: from tuna.sandelman.ca (tuna.sandelman.ca [IPv6:2607:f0b0:f:3:216:3eff:fe7c:d1f3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id CD3C43A0063 for <core@ietf.org>; Mon, 20 Sep 2021 09:22:17 -0700 (PDT)
Received: from localhost (localhost [127.0.0.1]) by tuna.sandelman.ca (Postfix) with ESMTP id 8E7301889A; Mon, 20 Sep 2021 12:29:23 -0400 (EDT)
Received: from tuna.sandelman.ca ([127.0.0.1]) by localhost (localhost [127.0.0.1]) (amavisd-new, port 10024) with LMTP id G5alxjSup1iC; Mon, 20 Sep 2021 12:29:17 -0400 (EDT)
Received: from sandelman.ca (obiwan.sandelman.ca [IPv6:2607:f0b0:f:2::247]) by tuna.sandelman.ca (Postfix) with ESMTP id 60F5218899; Mon, 20 Sep 2021 12:29:17 -0400 (EDT)
Received: from localhost (localhost [IPv6:::1]) by sandelman.ca (Postfix) with ESMTP id 17FDB15B; Mon, 20 Sep 2021 12:22:08 -0400 (EDT)
From: Michael Richardson <mcr+ietf@sandelman.ca>
To: =?us-ascii?Q?=3D=3Futf-8=3FB=3FR8O2cmFuIFNlbGFuZGVy=3F=3D?= <goran.selander@ericsson.com>
cc: "core\@ietf.org" <core@ietf.org>
In-Reply-To: <F4C53FAA-1FBB-4C5E-83AA-7DF8286AAEE7@ericsson.com>
References: <19899.1632082533@localhost> <F4C53FAA-1FBB-4C5E-83AA-7DF8286AAEE7@ericsson.com>
X-Mailer: MH-E 8.6+git; nmh 1.7+dev; GNU Emacs 26.1
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-sha512; protocol="application/pgp-signature"
Date: Mon, 20 Sep 2021 12:22:08 -0400
Message-ID: <4070.1632154928@localhost>
Archived-At: <https://mailarchive.ietf.org/arch/msg/core/DEKsAjf7WirbH-l45M2KxEpxp_w>
Subject: Re: [core] CoAP option for Well-Known Uri-Path
X-BeenThere: core@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" <core.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/core>, <mailto:core-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/core/>
List-Post: <mailto:core@ietf.org>
List-Help: <mailto:core-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/core>, <mailto:core-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 20 Sep 2021 16:22:23 -0000

Göran Selander <goran.selander@ericsson.com> wrote:
    > Do you mean something like this:
    > https://datatracker.ietf.org/meeting/interim-2021-core-05/materials/slides-interim-2021-core-05-sessa-core-option-for-well-known-resources-00.pdf

I knew that someone had thought about this before.

Carsten Bormann <cabo@tzi.org> wrote:
    > I think the main reason that we didn’t do this right away was that the
    > original Usage (. Well known core) was relatively rare and implied even
    > larger data. But with other protocols using wk it may start making more
    > sense. Unfortunately, there is no option position left that would keep
    > the correct order in the Uri. Oh well.

Oh, in terms of options being always incrementing.


--
Michael Richardson <mcr+IETF@sandelman.ca>   . o O ( IPv6 IøT consulting )
           Sandelman Software Works Inc, Ottawa and Worldwide