IETF Logo Mail Archive

Re: [tsvwg] L4S DSCP (was: L4S drafts: Next Steps)

Jonathan Morton <chromatix99@gmail.com> Wed, 24 March 2021 07:41 UTC

Return-Path: <chromatix99@gmail.com>
X-Original-To: tsvwg@ietfa.amsl.com
Delivered-To: tsvwg@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5A1D23A2621 for <tsvwg@ietfa.amsl.com>; Wed, 24 Mar 2021 00:41:46 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.848
X-Spam-Level:
X-Spam-Status: No, score=-1.848 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.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 tRsw3fcCnisH for <tsvwg@ietfa.amsl.com>; Wed, 24 Mar 2021 00:41:44 -0700 (PDT)
Received: from mail-lf1-x135.google.com (mail-lf1-x135.google.com [IPv6:2a00:1450:4864:20::135]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id DBF553A2624 for <tsvwg@ietf.org>; Wed, 24 Mar 2021 00:41:43 -0700 (PDT)
Received: by mail-lf1-x135.google.com with SMTP id g8so23395443lfv.12 for <tsvwg@ietf.org>; Wed, 24 Mar 2021 00:41:43 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=uqLmlSRzEYB00WvUhasKhC4RFhIZfxMzDAUa27F0T3M=; b=M7H4ingwjaWNpLsIxWmV260Lh/zp7VpoLnyRmCTKErTrJXcpH/mrPzFRCPNZPgzGDA 3Lk2HTpVpgaBjP0C+PbwjBHG1L+22CV1IZOOMoFzHDCDvF78qrA/G8ZyhGcp/aPTHtry jnuiCMCYUZLwgAixecAaYU4Ex0ehHsP+VCPALjfyIZOZWN2+TJdD0lbF9rD4GRO+A/yg efedLvBsgrksU1BerBP7yNkpUz95LnV5i9/yVUeb5RN9KFyJGjdnlsS2iv6bVPVeb4ZL Dg4T2wPXZ7dsfyu7zKFy5A7k0dJ4uWU8Yk5v6efdTQN7Izxu504a3LbMRS6sTRLogtmh GzLA==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=uqLmlSRzEYB00WvUhasKhC4RFhIZfxMzDAUa27F0T3M=; b=MNo4HZKppIZcZjfDYe755YrxdZHORgjNrLSSFsmQdZ3HX945GfxFxrLrSFZfs3BUNO PrmqMu5QyJpJCTZQm8AfP86eSgETdGhtJGgw1o3bwyuvZORXeLmuNOMvkEBC+kqYheLZ bqZED+q54yz74H6ajnWd69/SVyD568Z/hPKnHWrNQjZ9PZ9xR0L535T0Jjk7XEzs0lMS 6SYIKZtHH36Xvmky+EDZnS0SBlaZgr2Rne+B18vBPUXFJhpheXUZvMh8Sou/Nk9rD/3C hozWOoj7yGSe6Dr2pDXX11XptWCZ7d/huX5hJj3ygDwue2F543FjYYUJW/2iGroXMdDX Ga5A==
X-Gm-Message-State: AOAM533Jiol2xZEQ7e4oZYP83sVSmu3A+iAzHd5BWX9iWxI1ZU4TCDsc DZh9chvwb21rojTQ1RqFrEA=
X-Google-Smtp-Source: ABdhPJw2ILDZOtOWJcceYKXqjvnBWmoa6SNILcA+UD2ldYkwaTpwKGGcKgnia28TGxQgugVZV8IPVQ==
X-Received: by 2002:ac2:5382:: with SMTP id g2mr1248525lfh.60.1616571700348; Wed, 24 Mar 2021 00:41:40 -0700 (PDT)
Received: from jonathartonsmbp.lan (178-55-25-11.bb.dnainternet.fi. [178.55.25.11]) by smtp.gmail.com with ESMTPSA id o139sm147949lfa.129.2021.03.24.00.41.39 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 24 Mar 2021 00:41:39 -0700 (PDT)
Content-Type: text/plain; charset="us-ascii"
Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.7\))
From: Jonathan Morton <chromatix99@gmail.com>
In-Reply-To: <HE1PR0701MB2299CB5A933F0C4BCB121F70C2639@HE1PR0701MB2299.eurprd07.prod.outlook.com>
Date: Wed, 24 Mar 2021 09:41:38 +0200
Cc: Steven Blake <slblake@petri-meat.com>, "Black, David" <David.Black@dell.com>, "tsvwg@ietf.org" <tsvwg@ietf.org>
Content-Transfer-Encoding: quoted-printable
Message-Id: <F1A53664-4CB7-415E-B806-7671F3EEFC88@gmail.com>
References: <MN2PR19MB404527384A1B1DD9CFC2A3D983659@MN2PR19MB4045.namprd19.prod.outlook.com> <70eb23d595831bac03e2425eac45375378244aa4.camel@petri-meat.com> <HE1PR0701MB2299CB5A933F0C4BCB121F70C2639@HE1PR0701MB2299.eurprd07.prod.outlook.com>
To: Ingemar Johansson S <ingemar.s.johansson=40ericsson.com@dmarc.ietf.org>
X-Mailer: Apple Mail (2.3445.9.7)
Archived-At: <https://mailarchive.ietf.org/arch/msg/tsvwg/UH0igvKjsz46jUJEGWaTZjfCKU0>
Subject: Re: [tsvwg] L4S DSCP (was: L4S drafts: Next Steps)
X-BeenThere: tsvwg@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Transport Area Working Group <tsvwg.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/tsvwg>, <mailto:tsvwg-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/tsvwg/>
List-Post: <mailto:tsvwg@ietf.org>
List-Help: <mailto:tsvwg-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/tsvwg>, <mailto:tsvwg-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 24 Mar 2021 07:41:46 -0000

> On 24 Mar, 2021, at 9:34 am, Ingemar Johansson S <ingemar.s.johansson=40ericsson.com@dmarc.ietf.org> wrote:
> 
> I believe that it is good to refer back to 
> https://datatracker.ietf.org/doc/html/draft-ietf-tsvwg-ecn-l4s-id-14#appendix-B.4 
> before taking this discussion further.

We're all familiar with that.  It was clearly written, however, in the context of deploying L4S end-to-end across the global Internet, which in its current form is not feasible.  In the context of a controlled and confined experiment, and with L4S' designed-in preference for short paths, at least half the arguments given there simply go away.

 - Jonathan Morton

v2.31.3 | Report a Bug | By Email | System Status