Re: [spring] [Srcomp] New drafts from SRCOMP design team

Rishabh Parekh <rishabhp@gmail.com> Mon, 08 March 2021 17:47 UTC

Return-Path: <rishabhp@gmail.com>
X-Original-To: spring@ietfa.amsl.com
Delivered-To: spring@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 93E393A135D; Mon, 8 Mar 2021 09:47:15 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.997
X-Spam-Level:
X-Spam-Status: No, score=-1.997 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_FROM=0.001, HTML_MESSAGE=0.001, HTTPS_HTTP_MISMATCH=0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham 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 Dc_-ElZvEbeC; Mon, 8 Mar 2021 09:47:13 -0800 (PST)
Received: from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com [IPv6:2a00:1450:4864:20::32e]) (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 755EB3A135A; Mon, 8 Mar 2021 09:47:13 -0800 (PST)
Received: by mail-wm1-x32e.google.com with SMTP id u5-20020a7bcb050000b029010e9316b9d5so1380551wmj.2; Mon, 08 Mar 2021 09:47:13 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=RtI3enistM7uhqli0VcnJyALzr/7SL64KbbFjynlY2Q=; b=DdUAXxeQIzEpymz6s0YGOltDmgAXZ1FBpIJd3+Q4Z5OFMt9294K7ICyT2mSLvpI3JW TB1RI/v1/85yIgpMdKyHBv9e/Osur2/zn2GCfPP/grbvCIKq/Op+MjB8kpLOjt07slzz MidkXn5HPjyCtHjPRPlVCPyIriPpOFs+TJXDU9tFA+nCCvqovwZhK1FT7XDU5L774YZ9 EEQNw23H2UUW5bSTpZ45OLXWTi5qxdCt13n22BXbw/wreJ4X0plByaOmU0nb+k6fxu3V O+vRYaDnF2vWkyPxr2mFnSjMTxpzUWxBX6Si/OUOzdcgGxt47FHBpow1RdMww5SIu0cz r4eg==
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=RtI3enistM7uhqli0VcnJyALzr/7SL64KbbFjynlY2Q=; b=D/veTJEf4bj7XSu7Kb51L4tiFV+uOjEQ+CPWsWtXFn0dYGE1bfo0VYKJkt133QpA6E jGxVsb9GX5OTFoGwMcGRX8gW6un0TgBKW8akJh7vjkrRtSRETU7OW9fDtuEYJkEzGT7Q MQLEly0/qBE+un3JL1iMOVi3OTzdkdrdRzqPAQMESoZXqFKUX7R0pTXc7TutGpq92x6O Z2uJYm8NyOYn8u8aiHJ2OaTVK97GfRpjD2zz6FJCE1uGP1a3r492zTRmRUHMXesxG42F ALrGdIPlcQ/C+WCocHCLRwqsN+pzBcUEiSN5O4sWt6y31Fx3MZihBGoImqVeSkJ9Kx79 gbTQ==
X-Gm-Message-State: AOAM531owI684wFK2S7cpi8BIsSwi7RpCGs30k3nNmxqpn3unMOlqlT7 vQc7EF94X+ITBurFRj1fnq6PaEm0aYK0kbA3bls0tpd7Xoo=
X-Google-Smtp-Source: ABdhPJw3WAvuTBA9D8FAAuYIk3nePrZMiAT91Iu9+gsYsMYKQUXd/G+/byOl79TI60CsGGDOWMYijIlkrUDyP7md7Ag=
X-Received: by 2002:a1c:f614:: with SMTP id w20mr3968794wmc.70.1615225628936; Mon, 08 Mar 2021 09:47:08 -0800 (PST)
MIME-Version: 1.0
References: <05ce01d70b9a$f1c38230$d54a8690$@com> <CABjMoXYSiHbgNeXJExXiANhDtrw8h5i77+LyzBxLMF1GqpseFA@mail.gmail.com> <0a2901d70f24$c15fcf80$441f6e80$@com> <BYAPR05MB531816E69C15FB4D5CF357F1AE999@BYAPR05MB5318.namprd05.prod.outlook.com>
In-Reply-To: <BYAPR05MB531816E69C15FB4D5CF357F1AE999@BYAPR05MB5318.namprd05.prod.outlook.com>
From: Rishabh Parekh <rishabhp@gmail.com>
Date: Mon, 8 Mar 2021 09:46:55 -0800
Message-ID: <CABjMoXY3Z1HCUw3D8PMVE-S-=nyma+N0dY0N8mUdeXigGYyGRw@mail.gmail.com>
To: Ron Bonica <rbonica@juniper.net>
Cc: Weiqiang Cheng <chengweiqiang@chinamobile.com>, "srcomp@ietf.org" <srcomp@ietf.org>, SPRING WG List <spring@ietf.org>
Content-Type: multipart/alternative; boundary="000000000000d8505805bd0a05e5"
Archived-At: <https://mailarchive.ietf.org/arch/msg/spring/XLA9O2jE_T51-lZLi3GrAFHwi-Y>
Subject: Re: [spring] [Srcomp] New drafts from SRCOMP design team
X-BeenThere: spring@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" <spring.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/spring>, <mailto:spring-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/spring/>
List-Post: <mailto:spring@ietf.org>
List-Help: <mailto:spring-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/spring>, <mailto:spring-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 08 Mar 2021 17:47:16 -0000

Ron,
SRv6 Replication SID does not need to follow IPv6 multicast address format
since it is an IPv6 unicast address like any other SRv6 SID.

-Rishabh

On Tue, Mar 2, 2021 at 9:09 AM Ron Bonica <rbonica@juniper.net> wrote:

> Rishabh,
>
>
>
> Is Section 2 of the SR replication segment draft compliant with Section
> 2.7 of RFC 4291? Could it be brought into compliance by using the high
> order 16 bits that RFC 4291 recommends?
>
>
>
>
>                                                                            Ron
>
>
>
>
>
>
>
> Juniper Business Use Only
>
> *From:* Srcomp <srcomp-bounces@ietf.org> *On Behalf Of *Weiqiang Cheng
> *Sent:* Tuesday, March 2, 2021 12:28 AM
> *To:* 'Rishabh Parekh' <rishabhp@gmail.com>
> *Cc:* srcomp@ietf.org; 'SPRING WG List' <spring@ietf.org>
> *Subject:* Re: [Srcomp] [spring] New drafts from SRCOMP design team
>
>
>
> *[External Email. Be cautious of content]*
>
>
>
> Hi Rishabh,
>
> Thanks for your comments.
>
> It is good point, and DT will consider the it in.
>
>
>
> B.R.
>
> Weiqiang Cheng
>
>
>
> *发件人**:* spring [mailto:spring-bounces@ietf.org <spring-bounces@ietf.org>]
> *代表 *Rishabh Parekh
> *发送时间:* 2021年2月27日 01:50
> *收件人:* Weiqiang Cheng
> *抄送:* srcomp@ietf.org; SPRING WG List
> *主题:* Re: [spring] New drafts from SRCOMP design team
>
>
>
> Weiqiang,
>
> Text quoted below from the SPRING charter indirectly covers
> Point-to-Multipoint requirement which is addressed by SR Replication
> Segment draft
> https://datatracker.ietf.org/doc/draft-ietf-spring-sr-replication-segment/
> <https://urldefense.com/v3/__https:/datatracker.ietf.org/doc/draft-ietf-spring-sr-replication-segment/__;!!NEt6yMaO-gk!VjURp3oglqwAJJ06ixqEz0o9WjgWaU6W5fQ7MthNrQdg-dWAsLJnab_Ce0i_WdUG$>
>
> New types of segments mapping to forwarding behaviour (e.g., local
>
> ingress replication, local forwarding resources, a pre-existing
>
> replication structure) if needed for new usages.
>
> For the Point-to-Multipoint compression requirement, what exactly is
> "multicast address" in the Metric? Is this an IPv6 multicast address? If
> so, it really does not conform to SRv6 data plane.
>
>
>
> I would rather consider the SRv6 Replication SID, described in the latest
> version of SR Replication segment draft, to be the Metric for measuring
> P2MP requirement. Maybe we should also consider adding it to SRv6
> Functionality Section 4.2.1 of the compression requirements draft.
>
>
>
> -Rishabh
>
>
>
>
>
> On Thu, Feb 25, 2021 at 9:25 AM Weiqiang Cheng <
> chengweiqiang@chinamobile.com> wrote:
>
> Hi All,
>
> Two drafts have been submitted.  Please review them and any comments are
> welcomed.
>
>
>
> Compression requirement draft -04 version provided two more requirements:
>
>
> https://www.ietf.org/archive/id/draft-srcompdt-spring-compression-requirement-04.txt
> <https://urldefense.com/v3/__https:/www.ietf.org/archive/id/draft-srcompdt-spring-compression-requirement-04.txt__;!!NEt6yMaO-gk!VjURp3oglqwAJJ06ixqEz0o9WjgWaU6W5fQ7MthNrQdg-dWAsLJnab_Ce1UWnkzI$>
>
>
>
> Compression analysis draft -00 provided a skeleton for the analysis of 4
> candidate proposals.
>
>
> https://www.ietf.org/archive/id/draft-srcompdt-spring-compression-analysis-00.txt
> <https://urldefense.com/v3/__https:/www.ietf.org/archive/id/draft-srcompdt-spring-compression-analysis-00.txt__;!!NEt6yMaO-gk!VjURp3oglqwAJJ06ixqEz0o9WjgWaU6W5fQ7MthNrQdg-dWAsLJnab_Ce4mNqDYS$>
>
>
>
> B.R.
>
> Weiqiang
>
> _______________________________________________
> spring mailing list
> spring@ietf.org
> https://www.ietf.org/mailman/listinfo/spring
> <https://urldefense.com/v3/__https:/www.ietf.org/mailman/listinfo/spring__;!!NEt6yMaO-gk!VjURp3oglqwAJJ06ixqEz0o9WjgWaU6W5fQ7MthNrQdg-dWAsLJnab_Ce6GLiq7Z$>
>
>