Re: [tcpm] New Version Notification for draft-ietf-tcpm-rack-05.txt

Yuchung Cheng <ycheng@google.com> Mon, 06 May 2019 16:39 UTC

Return-Path: <ycheng@google.com>
X-Original-To: tcpm@ietfa.amsl.com
Delivered-To: tcpm@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1DEE712025F for <tcpm@ietfa.amsl.com>; Mon, 6 May 2019 09:39:15 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -17.509
X-Spam-Level:
X-Spam-Status: No, score=-17.509 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, ENV_AND_HDR_SPF_MATCH=-0.5, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, T_DKIMWL_WL_MED=-0.01, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5, USER_IN_DEF_SPF_WL=-7.5] autolearn=unavailable autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=google.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 5bY9LrXupBHS for <tcpm@ietfa.amsl.com>; Mon, 6 May 2019 09:39:13 -0700 (PDT)
Received: from mail-wm1-x32b.google.com (mail-wm1-x32b.google.com [IPv6:2a00:1450:4864:20::32b]) (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 832891201E6 for <tcpm@ietf.org>; Mon, 6 May 2019 09:38:27 -0700 (PDT)
Received: by mail-wm1-x32b.google.com with SMTP id y2so16293739wmi.5 for <tcpm@ietf.org>; Mon, 06 May 2019 09:38:27 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=WtTZAe0hg6Ovcj+zAUj2+MUiCbixCoE0G9Mboc03EhU=; b=P5+Y2aaxg1qrr/YW7sw1YoBJk4YXOaXnAmAmz3gf1a1h8Q6YAthyiyJ4e+oAbt/b3m Gnu26CQ/ddlLG0LQALJeygyYNhhnc64XyPCU4PkSI6n764HxOjOLfLGT6hrcw+KrjQcH CX9bmwU+UtWXOvadj0XDVswQMzwvfK6daR502fgD76r4PcMpEsde1ZBvhmwUiJlNHdfo 0jokxRpqpKnopLtTswbJwFWJkhdvfh3Rmq87B7BAd6QiZEuhzzWtBXLq+CG58K5e/+E5 pNU5e61Svg9wJg6wVhHdLHZuyMb6eRL25PFFS+8GuWLi0tsUB79vWeu1Y7rPhkKmwgKa HYFw==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=WtTZAe0hg6Ovcj+zAUj2+MUiCbixCoE0G9Mboc03EhU=; b=AYxI7/r/2Wf+P7Xl/WA+/ro6kHoZcKrdOA7wZI9uW7km0nuwwKIsAYdvfxUIABOyRM qD4sdL2UwueGU1rsXgkfSaxxDvilOb65U2LSjeEA6A0Ea1SIyufvi2MaRrRoyCqSw8lS U0gaeTpIpt6mWKXTCXhsPz/Oz8loFZfoCjfdeVXpfxMzRTqnV09HbELE3/WVay1danWG T2UxKdmmEOzm4abQZtiVXn63EG2dDGvATQqUFOb0KSsbiwXGsgm26rhuBr4ZBuXhKpq/ 3Teajsa9epELaTUdIvqugGyfUfPi89Y/ReeTegHU4QJxT/ugHzA5OUv+jsAFJrZzYtlI cbRw==
X-Gm-Message-State: APjAAAXs465P851YhYrL6W3mUC0aSVfo6cKjGqn+QKy2kTAhJeF9EF2Q zb9N8BnRDQaPiC6K6MobHuP17o5wShivN9+82rC6qQ==
X-Google-Smtp-Source: APXvYqyCquvqNfydgxmft0E6Ay8eakCdN8pAIfkDcGRLFL2tye9wPNhGRRhbqS6iJDiw89kqIuTn0I1KqbbGP4RY36w=
X-Received: by 2002:a05:600c:2101:: with SMTP id u1mr7365280wml.36.1557160705132; Mon, 06 May 2019 09:38:25 -0700 (PDT)
MIME-Version: 1.0
References: <155632918775.6767.10665022766872955742.idtracker@ietfa.amsl.com> <CAK6E8=cQ8LH-d0snNGSSSwuUkNtYrSBNZs90ObskRahB6=GjeQ@mail.gmail.com> <6EC6417807D9754DA64F3087E2E2E03E2D2E45F5@rznt8114.rznt.rzdir.fht-esslingen.de>
In-Reply-To: <6EC6417807D9754DA64F3087E2E2E03E2D2E45F5@rznt8114.rznt.rzdir.fht-esslingen.de>
From: Yuchung Cheng <ycheng@google.com>
Date: Mon, 6 May 2019 09:37:47 -0700
Message-ID: <CAK6E8=ez=q--8Y5s=2BR3NCuktDOj_5SLChwOo687uQR=0qR9g@mail.gmail.com>
To: "Scharf, Michael" <Michael.Scharf@hs-esslingen.de>
Cc: "tcpm@ietf.org Extensions" <tcpm@ietf.org>
Content-Type: multipart/alternative; boundary="000000000000b0b63705883aba8a"
Archived-At: <https://mailarchive.ietf.org/arch/msg/tcpm/bZxZLeMHxiTR5lLXgsKem3-Ki8w>
Subject: Re: [tcpm] New Version Notification for draft-ietf-tcpm-rack-05.txt
X-BeenThere: tcpm@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: TCP Maintenance and Minor Extensions Working Group <tcpm.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/tcpm>, <mailto:tcpm-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/tcpm/>
List-Post: <mailto:tcpm@ietf.org>
List-Help: <mailto:tcpm-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/tcpm>, <mailto:tcpm-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 06 May 2019 16:39:28 -0000

Thanks Mchael. Noted and will correct in the next revision.

On Mon, May 6, 2019 at 1:19 AM Scharf, Michael <
Michael.Scharf@hs-esslingen.de> wrote:

> Hi Yuchung,
>
>
>
> A purely editorial comment on the new text in -05:
>
>
>
> The definition of terms has been updated by RFC 8174 and the new suggested
> wording is:
>
>
>
>       The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL
>
>       NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED",
>
>       "MAY", and "OPTIONAL" in this document are to be interpreted as
>
>       described in BCP 14 [RFC2119] [RFC8174] when, and only when, they
>
>       appear in all capitals, as shown here.
>
>
>
> Unless there are good reasons to deviate, IMHO it would make sense to use
> the default text.
>
>
>
> Also, note that there is some use of capital letter terms before Section
> 5. The definition should probably be introduced before the first use (in
> the body).
>
>
>
> Finally, draft-ietf-tcpm-rack-05 references RFC2119 three times, which may
> be a tooling bug.
>
>
>
> Those editorial nits can be fixed later in the publication process, but as
> these are low hanging fruits, IMHO it would make sense to correct them in
> the next version.
>
>
>
> Thanks
>
>
>
> Michael
>
>
>
>
>
> *From:* Yuchung Cheng <ycheng@google.com>
> *Sent:* Saturday, April 27, 2019 3:43 AM
> *To:* tcpm-chairs@ietf.org; tcpm@ietf.org Extensions <tcpm@ietf.org>
> *Subject:* Fwd: New Version Notification for draft-ietf-tcpm-rack-05.txt
>
>
>
> Hi we are posting new draft per chairs' request for discussion on status.
>
>
>
> 04-05 diffs are minor edits for clarification raised by many reviewers
> (thanks!). No changes to algorithm / protocol.
>
> ---------- Forwarded message ---------
> From: <internet-drafts@ietf.org>
> Date: Fri, Apr 26, 2019 at 6:39 PM
> Subject: New Version Notification for draft-ietf-tcpm-rack-05.txt
> To: Neal Cardwell <ncardwell@google.com>om>, Yuchung Cheng <ycheng@google.com>om>,
> Priyaranjan Jha <priyarjha@google.com>om>, Nandita Dukkipati <
> nanditad@google.com>
>
>
>
>
> A new version of I-D, draft-ietf-tcpm-rack-05.txt
> has been successfully submitted by Yuchung Cheng and posted to the
> IETF repository.
>
> Name:           draft-ietf-tcpm-rack
> Revision:       05
> Title:          RACK: a time-based fast loss detection algorithm for TCP
> Document date:  2019-04-26
> Group:          tcpm
> Pages:          29
> URL:
> https://www.ietf.org/internet-drafts/draft-ietf-tcpm-rack-05.txt
> Status:         https://datatracker.ietf.org/doc/draft-ietf-tcpm-rack/
> Htmlized:       https://tools.ietf.org/html/draft-ietf-tcpm-rack-05
> Htmlized:       https://datatracker.ietf.org/doc/html/draft-ietf-tcpm-rack
> Diff:           https://www.ietf.org/rfcdiff?url2=draft-ietf-tcpm-rack-05
>
> Abstract:
>    This document presents a new TCP loss detection algorithm called RACK
>    ("Recent ACKnowledgment").  RACK uses the notion of time, instead of
>    packet or sequence counts, to detect losses, for modern TCP
>    implementations that can support per-packet timestamps and the
>    selective acknowledgment (SACK) option.  It is intended to replace
>    the conventional DUPACK threshold approach and its variants, as well
>    as other nonstandard approaches.
>
>
>
>
> Please note that it may take a couple of minutes from the time of
> submission
> until the htmlized version and diff are available at tools.ietf.org.
>
> The IETF Secretariat
>