Re: [icnrg] Adoption of 'Alternative Delta Time Encoding for CCNx Using Compact Floating-Point Arithmetic' (draft-gundogan-icnrg-ccnx-timetlv)

Hitoshi Asaeda <asaeda@ieee.org> Mon, 03 August 2020 03:28 UTC

Return-Path: <asaeda@ieee.org>
X-Original-To: icnrg@ietfa.amsl.com
Delivered-To: icnrg@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id EF5343A058F for <icnrg@ietfa.amsl.com>; Sun, 2 Aug 2020 20:28:55 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -0.2
X-Spam-Level:
X-Spam-Status: No, score=-0.2 tagged_above=-999 required=5 tests=[DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, 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 (1024-bit key) header.d=ieee.org
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 M1STKUNanAKd for <icnrg@ietfa.amsl.com>; Sun, 2 Aug 2020 20:28:51 -0700 (PDT)
Received: from mail-pj1-x1030.google.com (mail-pj1-x1030.google.com [IPv6:2607:f8b0:4864:20::1030]) (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 F06863A053E for <icnrg@irtf.org>; Sun, 2 Aug 2020 20:28:50 -0700 (PDT)
Received: by mail-pj1-x1030.google.com with SMTP id t6so6779305pjr.0 for <icnrg@irtf.org>; Sun, 02 Aug 2020 20:28:50 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ieee.org; s=google; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=MNfhlZ63MhlZZra+6MnXsZ8kdJXjZa0W+y+i8OfrFNc=; b=RL9akkHGTvQBIgD5gSE9zCQ4PQGISutQwWT3tTzJYIN5IkXMZKtD8FOj+tFBbuncI3 4XXBj0ye6Bp7pSJKzWDURdlcl6VFCzSRFaTz/H+C6q69JLqVm/7hsdy73kKJxRIojj0o sYHlUMsiQRJrK9mq9F/rEbkUaRSn2DUwL8NgI=
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=MNfhlZ63MhlZZra+6MnXsZ8kdJXjZa0W+y+i8OfrFNc=; b=OwXr0kHaeSxKy88OsHIEsFvGszcfshEQGGXhnZWhNTwKRyyOMHOkGPSBFtibUHPDpZ W1vdXjK8Y1c12ry9EDM+Bsl/7uk98n18UsTY8BF3d7dVH59thFCHEROHt3AKmcrMV5dH rIjuYt0NxLg7i7sw/HkYokc3PFSLpChvF7e2a8xB8pRJx0B9FgWznWpbSZC9tTcedsup rHvvE1frc2Kchb4Qot1eYJsdKFbNWSx9zee46t2KfY4dPXe7HVLk7O72wG3bvXNdYRWe RtnFwa3tblIfeyIM8zzR3ZVbdJiDK7tKKJKHLqFXvT9MLHcspDtka/JbeNys6X6MCE0Z vOGQ==
X-Gm-Message-State: AOAM532wbQphlPiRX7t/Tq6EdpHkh44ToPQpBmvPURVRx/n8OG0wnR7K l8VL//ieChBDUuDe+2KbxYuSTg==
X-Google-Smtp-Source: ABdhPJx/fmoLTHuT2jz2CXabPlzc+AZSRX1C4RCPqL7vVKFcRLKXWZtgTl1Nmmi//guC77LhkcR41w==
X-Received: by 2002:a17:90a:e990:: with SMTP id v16mr15814500pjy.194.1596425330208; Sun, 02 Aug 2020 20:28:50 -0700 (PDT)
Received: from [192.168.11.8] (zz20164245726F66C1A1.userreverse.dion.ne.jp. [111.102.193.161]) by smtp.gmail.com with ESMTPSA id d93sm16530386pjk.44.2020.08.02.20.28.48 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 02 Aug 2020 20:28:49 -0700 (PDT)
Content-Type: text/plain; charset="utf-8"
Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.1\))
From: Hitoshi Asaeda <asaeda@ieee.org>
In-Reply-To: <874kpnj3d6.fsf@gundogan.net>
Date: Mon, 03 Aug 2020 12:28:47 +0900
Cc: ICNRG <icnrg@irtf.org>
Content-Transfer-Encoding: quoted-printable
Message-Id: <5A438EF0-AAAC-4DB5-AC5A-C6C6676C132C@ieee.org>
References: <68D3AAD3-59E1-43AE-8722-06776AED4607@dkutscher.net> <E979BEAD-A9D1-484B-A46F-87069859F3B6@ieee.org> <874kpnj3d6.fsf@gundogan.net>
To: Cenk Gündoğan <mail=2Bietf=40gundogan.net@dmarc.ietf.org>
X-Mailer: Apple Mail (2.3608.120.23.2.1)
Archived-At: <https://mailarchive.ietf.org/arch/msg/icnrg/0hd7zC2y26gs8pa15e8eUe5S1uw>
Subject: Re: [icnrg] Adoption of 'Alternative Delta Time Encoding for CCNx Using Compact Floating-Point Arithmetic' (draft-gundogan-icnrg-ccnx-timetlv)
X-BeenThere: icnrg@irtf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Information-Centric Networking research group discussion list <icnrg.irtf.org>
List-Unsubscribe: <https://www.irtf.org/mailman/options/icnrg>, <mailto:icnrg-request@irtf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/icnrg/>
List-Post: <mailto:icnrg@irtf.org>
List-Help: <mailto:icnrg-request@irtf.org?subject=help>
List-Subscribe: <https://www.irtf.org/mailman/listinfo/icnrg>, <mailto:icnrg-request@irtf.org?subject=subscribe>
X-List-Received-Date: Mon, 03 Aug 2020 03:28:56 -0000

Hi Cenk,

Thanks for your reply, and thanks for your interesting idea.
I'll later reply for Marc's mail. Let's continue the discussions.

Regards,

Hitoshi

> On Jul 31, 2020, at 21:06, Cenk Gündoğan <mail=2Bietf=40gundogan.net@dmarc.ietf.org> wrote:
> 
> Hello Hitoshi,
> 
> thank you for your feedback, my comments follow further down inline.
> 
> On Fri, Jul 31 2020 at 11:51 +0200, Hitoshi Asaeda wrote:
> 
>> Hi,
>> 
>> I don't deny the proposal itself but have a concern about the intention; "update" RFC8609.
>> 
>> Why does this draft update RFC8609? Why can't we keep RFC8609 as is and propose the new type values for this proposal as the addition?
>> The time TLV proposed in this document can coexist with RFC8609 if you use the new type values. Why does this need to replace the time TLV defined in 8609? Is there any errata reported for the time TLV defined in 8609?
> 
> the current version of this document describes a few alternatives on how
> to integrate the compressed time TLV into CCNx. One alternative proposes
> to use the Length (L) field of the InterestLifetime TLV to identify the
> included encoding (normal time (L>1) vs. compressed time (L==1)
> representation). This would require a change in RFC8609 (Section 3.4.1
> [1]).
> 
> Another alternative might update the message ABNF in Section 2.1 [2] of
> RFC8569 to add a new top-level TLV for the compressed InterestLifeTime.
> 
> [1] https://tools.ietf.org/html/rfc8609#section-3.4.1
> [2] https://tools.ietf.org/html/rfc8569#section-2.1
>> 
>> My comment is that it is better to discuss this document without an intention of updating RFC8609.
> 
> All proposed integration alternatives display advantages and
> disadvantages. Getting group feedback on this particular topic is quite
> valuable for the progression of this work. Thanks! We could also
> reiterate over the existing integration ideas again (on the list?) in
> order to stimulate new ideas and solutions (comparable to a draft
> presentation?).
> 
> Best,
> Cenk
> 
>> 
>> Regards,
>> 
>> Hitoshi
>> 
>> 
>>> On Jul 29, 2020, at 21:39, Dirk Kutscher <ietf@dkutscher.net> wrote:
>>> 
>>> Hi ICNRG,
>>> 
>>> This draft (https://datatracker.ietf.org/doc/draft-gundogan-icnrg-ccnx-timetlv/) is intended as an update to RFC 8609 (CCNx Messages in TLV Format).
>>> 
>>> The authors have just submitted an update that addresses previously made technical comments.
>>> 
>>> We believe that it would be appropriate to give change control to the Research Group, so the chairs would like to solicit statements indicating support for adoption or concerns against it from people who are 1) not co-authors and 2) have read the latest version.
>>> 
>>> In case there are questions that you would like to discuss interactively, we should be able to make some time for that on the Monday Interim meeting -- let us know.
>>> 
>>> Thanks and best regards,
>>> 
>>> Chairs
>>> 
>>> _______________________________________________
>>> icnrg mailing list
>>> icnrg@irtf.org
>>> https://www.irtf.org/mailman/listinfo/icnrg
>> 
>> _______________________________________________
>> icnrg mailing list
>> icnrg@irtf.org
>> https://www.irtf.org/mailman/listinfo/icnrg
> 
> --
> Cenk Gündoğan
> 
> Hamburg University of Applied Sciences
> Dept. of Computer Science / Internet Technologies Group
> Berliner Tor 7, 20099 Hamburg, Germany
> Fon: +49 40 42875 - 8426
> Mail: cenk.guendogan@haw-hamburg.de
> Web: https://www.inet.haw-hamburg.de/
> _______________________________________________
> icnrg mailing list
> icnrg@irtf.org
> https://www.irtf.org/mailman/listinfo/icnrg