[Ntp] Antw: [EXT] Re: draft‑ietf‑ntp‑roughtime‑05: tag change makes implementation more complex

Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de> Mon, 04 October 2021 07:19 UTC

Return-Path: <Ulrich.Windl@rz.uni-regensburg.de>
X-Original-To: ntp@ietfa.amsl.com
Delivered-To: ntp@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B1A3A3A1211 for <ntp@ietfa.amsl.com>; Mon, 4 Oct 2021 00:19:41 -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 Ks2XlGGPlreO for <ntp@ietfa.amsl.com>; Mon, 4 Oct 2021 00:19:26 -0700 (PDT)
Received: from mx2.uni-regensburg.de (mx2.uni-regensburg.de [194.94.157.147]) (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 462923A0B83 for <ntp@ietf.org>; Mon, 4 Oct 2021 00:19:25 -0700 (PDT)
Received: from mx2.uni-regensburg.de (localhost [127.0.0.1]) by localhost (Postfix) with SMTP id 7AEFA600004E for <ntp@ietf.org>; Mon, 4 Oct 2021 09:19:19 +0200 (CEST)
Received: from gwsmtp.uni-regensburg.de (gwsmtp1.uni-regensburg.de [132.199.5.51]) by mx2.uni-regensburg.de (Postfix) with ESMTP id 6D991600004D for <ntp@ietf.org>; Mon, 4 Oct 2021 09:19:11 +0200 (CEST)
Received: from uni-regensburg-smtp1-MTA by gwsmtp.uni-regensburg.de with Novell_GroupWise; Mon, 04 Oct 2021 09:19:11 +0200
Message-Id: <615AAAEC020000A1000442F9@gwsmtp.uni-regensburg.de>
X-Mailer: Novell GroupWise Internet Agent 18.3.1
Date: Mon, 04 Oct 2021 09:19:08 +0200
From: "Ulrich Windl" <Ulrich.Windl@rz.uni-regensburg.de>
To: <watsonbladd@gmail.com>,<mayer@pdmconsulting.net>
Cc: "Marcus Dansarie" <marcus@dansarie.se>,<taralx@gmail.com>, "ntp@ietf.org" <ntp@ietf.org>
References: <CAGZkp1-ZCuSvMyQyWCnE511O8-WL=OXfsTdraKsByMmWC3spVA@mail.gmail.com> <CACsn0ckZmR=k2NAmdyhVOA=V_XQ18AnBUBSTOu+bDXS1YsPpUg@mail.gmail.com> <CAGZkp18eASaF7qvubYpDgzvg643ZXuPwDs9qsiC1P_AVLcywLA@mail.gmail.com> <CACsn0cnjHFwxHT13nMavRFzRteWJ=SORY8v4RCZjdjYP0H3oaw@mail.gmail.com> <7dde7eb3-4dc7-94d3-e63a-6d5d0736b1c2@pdmconsulting.net> <54baf1fa-b138-4eb8-6f4e-99168cf2db7b@dansarie.se> <0a95d35f-f708-4a3c-4ecf-77597c42a7a4@pdmconsulting.net> <CACsn0c=gdQWDumfzeHYYWzXPV4sz4J9mTUtYW+4=KueaHHbGdQ@mail.gmail.com> <79dfd56c-54e8-8b85-ed9d-da9fac71d1f1@pdmconsulting.net>
In-Reply-To: <79dfd56c-54e8-8b85-ed9d-da9fac71d1f1@pdmconsulting.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline
Archived-At: <https://mailarchive.ietf.org/arch/msg/ntp/ZgvJic28VmtC1UU46mNKhVZkHm4>
Subject: [Ntp] =?utf-8?b?QW50dzogW0VYVF0gUmU6ICBkcmFmdOKAkWlldGbigJFudHA=?= =?utf-8?q?=E2=80=91roughtime=E2=80=9105=3A_tag_change_makes_implementatio?= =?utf-8?q?n_more_complex?=
X-BeenThere: ntp@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Network Time Protocol <ntp.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ntp>, <mailto:ntp-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/ntp/>
List-Post: <mailto:ntp@ietf.org>
List-Help: <mailto:ntp-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ntp>, <mailto:ntp-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 04 Oct 2021 07:19:46 -0000

>>> Danny Mayer <mayer@pdmconsulting.net> schrieb am 26.09.2021 um 18:24 in
Nachricht <79dfd56c-54e8-8b85-ed9d-da9fac71d1f1@pdmconsulting.net>et>:


...
> According to the diagram in Section 6, you do specify the length of the 
> message. I'm not clear why you are wasting 8 bits at the beginning to 

you mean "8 bytes"?

> say 'ROUGHTIM', what else would it be? You are better off using that 
> space to specify roughtime versioning information.
> 
> Danny