Re: [mpls] Working Group Last Call on draft-ietf-mpls-msd-yang

Ketan Talaulikar <ketant.ietf@gmail.com> Tue, 09 April 2024 15:22 UTC

Return-Path: <ketant.ietf@gmail.com>
X-Original-To: mpls@ietfa.amsl.com
Delivered-To: mpls@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 53FABC14F601; Tue, 9 Apr 2024 08:22:13 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.094
X-Spam-Level:
X-Spam-Status: No, score=-1.094 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, FREEMAIL_REPLY=1, HTML_MESSAGE=0.001, RCVD_IN_ZEN_BLOCKED_OPENDNS=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, URIBL_DBL_BLOCKED_OPENDNS=0.001, URIBL_ZEN_BLOCKED_OPENDNS=0.001] autolearn=no autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com
Received: from mail.ietf.org ([50.223.129.194]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id eoMPZKdlBbM5; Tue, 9 Apr 2024 08:22:09 -0700 (PDT)
Received: from mail-ed1-x52b.google.com (mail-ed1-x52b.google.com [IPv6:2a00:1450:4864:20::52b]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 3F355C14F5EB; Tue, 9 Apr 2024 08:22:09 -0700 (PDT)
Received: by mail-ed1-x52b.google.com with SMTP id 4fb4d7f45d1cf-56e37503115so3843775a12.1; Tue, 09 Apr 2024 08:22:09 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1712676127; x=1713280927; darn=ietf.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=AAVObjHeeT7XXAfgnYPltSSJxhreqdgSx7HojnpAzSM=; b=Z3mGp3Wr0+b99ZLZEdXO+Afn98tO727t8cW//sfVht8QyPkvNr1Jn4GSih3sYXsMB9 K6WrFPEMtX/DB07SFgJEYLNwxlTpnrvLoBb+IvVEASOT6dmBATfvYletLZGy8MhLCGH8 inoED+XbuVWM+Iu3wXZgHEEgUZkP6B5w3GmrGXZkM8CEaBVseYTHttzYBXtA33P7CgJX Ysmu4o47L8HzWtO6YugBWLPnbL0OnZ+FQgopHeciYfkOdYFAdjloFNHJ7NewAUnN8TWv UqlvG3NHaT4MX6MjnCATQU2DW56Oio+BrVN8m91DFbB+JiuGZsAXD8rhk0amIs/RZ0Sw Tp8Q==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712676127; x=1713280927; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=AAVObjHeeT7XXAfgnYPltSSJxhreqdgSx7HojnpAzSM=; b=lIYEz/EB2Jbn8Oh0+Krn5SsZySr+/7gTT5OXcICS+kTzuGUGhYTBe5JstAd9yjdY1c za1/bc1PfnFlnUrhg6oNxgPmmm5h7iQAbUhEBttswGsJ3xbbxmfHGw9A20m3Gu+TZvW9 orhsmeVO4mtf+1m4Tz4ARCJOc2WyXZrKRF02R54rj2hKDOrYLcw39YmI8m+ku+cPqzvv 5jZOtIrbPYSH2xmpztlk8hAx9W8ixnzNsUZA+3mOTY0DxigUd9oV2JT3JE4tNHRsHIsM CYXbJDMa638Be6qpu7CnWwftoeImCEnGlt1bg4JBrUSw9RubStjRjXUXa+epAZ+pEYWP FQEQ==
X-Forwarded-Encrypted: i=1; AJvYcCXaRpIsjRKDs7YQ83ikB2PajfJK6YSrMY3PWUhRieNxZtcyYehdNxWzYCLBmxvDLYmyK3HLW+mMbjUjdHhfhNV3V1xQbZrsCk42pevoqTXMGv22MlzklDwukzrfM52jhgHJHf3vv8Qu0VDVwCj5wkMuUXc9ODkB
X-Gm-Message-State: AOJu0YybxWCUNjUW0OpUHfX9JExAK3QR5d7TgT7i7+Pq1uDp4FjtT9an q5AlUX65sZLRwqONT20s9NmvrwJBipP+a7zFHBwXM08ngfkb4vH/AWywYN2z8rmTyb4pnDZyUmn 1b6F9FwH3wd5bDamDSGjuudqeyD1pIE8T
X-Google-Smtp-Source: AGHT+IEoIE1BiHHK6JVFLwbs6Y+ywv3rOM7ajIY7E5N7ek2YSLcIGfIB9xoxcxPobsP7KrEWMFp+pKn40p72WkCMMJc=
X-Received: by 2002:a17:906:1d03:b0:a51:9f51:4af5 with SMTP id n3-20020a1709061d0300b00a519f514af5mr7146548ejh.45.1712676126890; Tue, 09 Apr 2024 08:22:06 -0700 (PDT)
MIME-Version: 1.0
References: <DS0PR19MB6501FE43E342ED2BCB8BCEEDFC222@DS0PR19MB6501.namprd19.prod.outlook.com> <202403061602534066454@zte.com.cn> <56428E20-6D78-47DC-9CB9-C767289DFF9C@gmail.com> <434997813.1033476.1711422612805@mail.yahoo.com> <99688001-65BE-4A2C-8B4A-7829F74C7DE7@gmail.com> <DS0PR19MB6501D3CD21D47B157A21FBC0FC002@DS0PR19MB6501.namprd19.prod.outlook.com> <CABY-gONEcV7wr5pV=x6gs-HLs6nYzk+5-0_zFW+sU_gpeKFwLw@mail.gmail.com> <DS0PR19MB6501CD6E4A307BF7FDC7D49FFC072@DS0PR19MB6501.namprd19.prod.outlook.com> <76B8F457-3394-46D1-803A-EE5A19413300@gmail.com>
In-Reply-To: <76B8F457-3394-46D1-803A-EE5A19413300@gmail.com>
From: Ketan Talaulikar <ketant.ietf@gmail.com>
Date: Tue, 09 Apr 2024 20:51:53 +0530
Message-ID: <CAH6gdPyvjzUfb90vCFKdAV0xaT0d1snjfvqOVagr6S6tMVrYPg@mail.gmail.com>
To: Acee Lindem <acee.ietf@gmail.com>
Cc: Tarek Saad <tsaad.net@gmail.com>, mpls <mpls@ietf.org>, MPLS Working Chairs <mpls-chairs@ietf.org>, Reshad Rehman <reshad@yahoo.com>, "draft-ietf-mpls-msd-yang@ietf.org" <draft-ietf-mpls-msd-yang@ietf.org>
Content-Type: multipart/alternative; boundary="00000000000028a15b0615ab7cea"
Archived-At: <https://mailarchive.ietf.org/arch/msg/mpls/lhyo164-qd-C8eNxDjm_cri480w>
Subject: Re: [mpls] Working Group Last Call on draft-ietf-mpls-msd-yang
X-BeenThere: mpls@ietf.org
X-Mailman-Version: 2.1.39
Precedence: list
List-Id: Multi-Protocol Label Switching WG <mpls.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/mpls>, <mailto:mpls-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/mpls/>
List-Post: <mailto:mpls@ietf.org>
List-Help: <mailto:mpls-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/mpls>, <mailto:mpls-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 09 Apr 2024 15:22:13 -0000

Hi All,

I concur with the authors - this looks good to me. It has the generic MSD
as well as the ones specific to MPLS and SRv6.

Thanks,
Ketan


On Tue, Apr 9, 2024 at 7:57 PM Acee Lindem <acee.ietf@gmail.com> wrote:

> Hi Tarek, et al,
>
> On Apr 9, 2024, at 10:17, Tarek Saad <tsaad.net@gmail.com> wrote:
>
> Hi Reshad and Mahesh,
>
> >> I'm not sure we want to change the file name. One possible solution is
> to remove the identities about SRv6 MSD in the iana-msd-types.yang, and add
> them in the SRv6 YANG draft.
> [TS]: Given the model is MPLS specific, would this address your concerns?
>
>
> I think this would be the best solution given the problem we have in the
> IETF with timely publication of YANG models. The models take forever and by
> the time we get to last call there are new standards and there are always
> differing opinions on how they could be refactored based on the new
> information.
>
> Thanks,
> Acee
>
>
>
> Regards,
> Tarek
>
>
>
> *From: *Yingzhen Qu <yingzhen.ietf@gmail.com>
> *Date: *Monday, April 8, 2024 at 7:49 PM
> *To: *Tarek Saad <tsaad.net@gmail.com>
> *Cc: *Mahesh Jethanandani <mjethanandani@gmail.com>, Reshad Rehman <
> reshad@yahoo.com>, <liu.yao71@zte.com.cn>, Acee Lindem <
> acee.ietf@gmail.com>, draft-ietf-mpls-msd-yang@ietf.org <
> draft-ietf-mpls-msd-yang@ietf.org>, mpls@ietf.org<mpls@ietf.org>, MPLS
> Working Chairs <mpls-chairs@ietf.org>
> *Subject: *Re: [mpls] Working Group Last Call on draft-ietf-mpls-msd-yang
> Hi,
>
> Sorry for the late reply due to travels.
>
> Thanks Tarek for the pointer to Ketan's email. The draft only included
> MPLS MSD at the beginning, then Ketan suggested we follow the IANA MSD
> types registry, so we added the iana-msd-types.yang module, which also
> includes SRv6 MSD types. The ietf-mpls-msd.yang augments the base MPLS
> model defined in RFC 8960, and it can only query MPLS MSD types. Note:
> there are msd-base-mpls and mpls-base-srh defined in the iana module to
> separate MPLS and SRv6 MSD types.
>
> I'm not sure we want to change the file name. One possible solution is to
> remove the identities about SRv6 MSD in the iana-msd-types.yang, and add
> them in the SRv6 YANG draft.
>
> Suggestions and comments are welcome.
>
> Thanks,
> Yingzhen
>
> On Mon, Apr 8, 2024 at 8:52 AM Tarek Saad <tsaad.net@gmail.com> wrote:
>
> Hi Mahesh,
>
> SPRING WG was in the loop of updates to this draft. There was a request
> for the IANA MSD Types registry to be mirrored into YANG which I believe is
> the current state
> https://mailarchive.ietf.org/arch/msg/mpls/rdjYEGVEhx3T9xoVWMu-DkQdBjM/
>
> Regards,
> Tarek
>
>
> *From: *Mahesh Jethanandani <mjethanandani@gmail.com>
> *Date: *Tuesday, March 26, 2024 at 1:15 AM
> *To: *Reshad Rehman <reshad@yahoo.com>
> *Cc: *<liu.yao71@zte.com.cn>, Acee Lindem <acee.ietf@gmail.com>, Tarek
> Saad <tsaad.net@gmail.com>, draft-ietf-mpls-msd-yang@ietf.org <
> draft-ietf-mpls-msd-yang@ietf.org>, mpls@ietf.org <mpls@ietf.org>, MPLS
> Working Chairs <mpls-chairs@ietf.org>
> *Subject: *Re: [mpls] Working Group Last Call on draft-ietf-mpls-msd-yang
> +1 to Reshad’s comment.
>
> mpls-chairs, if the definitions are beyond MPLS, e.g. SRv6, has this been
> socialized in spring WG?
>
>
>
> On Mar 26, 2024, at 4:10 PM, Reshad Rahman <reshad@yahoo.com> wrote:
>
> Hi Acee, all,
>
> From a quick look at the YANG, I see non MPLS-specific identities such as
> msd-srh-max-end-pop. If those stay, ietf-msd.yang seems to be a more
> appropriate name to me.
>
> Regards,
> Reshad.
>
> On Thursday, March 21, 2024, 11:10:29 AM EDT, Acee Lindem <
> acee.ietf@gmail.com> wrote:
>
>
> Hi Yao,
>
> I agree we should update this to reflect the extended applicability of MSD
> to different types.
>
> I'm wonder if we should also change the module name to simply
> ietf-msd.yang. The argument for
> changing the name is that MSD is being extended beyond MPLS. The argument
> against this is that this
> module only augments the ietf-mpls.yang module.
>
> Opinions? I've also copied Mahesh (Ops AD focusing on YANG) and Reshad
> (YANG doctor and reviewer).
>
> Thanks,
> Acee
>
> > On Mar 6, 2024, at 3:02 AM, liu.yao71@zte.com.cn wrote:
> >
> > Hi,
> >
> > I support the progression of the draft.
> > And I have one comment after reading the lasest version. From my reading
> of section 4, it defines YANG module not only for MPLS MSDs, but also for
> SRv6 MSDs (i.e, msd-base-srh). But the title and abstract of the draft
> claims that the YANG module is defined for MPLS MSDs, without mentioning
> SRv6. It confused me a little bit.
> >
> > Regards,
> > Yao
> > Original
> > From: TarekSaad <tsaad.net@gmail.com>
> > To: mpls@ietf.org <mpls@ietf.org>;
> > Cc: MPLS Working Chairs <mpls-chairs@ietf.org>;
> draft-ietf-mpls-egress-tlv-for-nil-fec@ietf.org <
> draft-ietf-mpls-egress-tlv-for-nil-fec@ietf.org>;
> > Date: 2024年03月05日 22:14
> > Subject: [mpls] Working Group Last Call on draft-ietf-mpls-msd-yang
> > _______________________________________________
> > mpls mailing list
> > mpls@ietf.org
> > https://www.ietf.org/mailman/listinfo/mpls
> >
> > Dear WG,
> >
> > This email starts a two-week working group last call for
> draft-ietf-mpls-msd-yang [1].
> >
> > Please indicate your support or concern for this draft. If you are
> opposed to the progression of the draft to RFC, please articulate your
> concern. If you support it, please indicate that you have read the latest
> version, and it is ready for publication in your opinion. As always, review
> comments and nits are most welcome.
> >
> > Please send your comments to the mpls wg mailing list (mpls@ietf.org).
> > If necessary, comments may be sent unidirectional to the WG chairs.
> >
> > This poll runs until the 19th of March 2024.
> >
> > Thank you,
> > Tarek (for the MPLS WG co-chairs)
> >
> > [1]  draft-ietf-mpls-msd-yang
> >
>
>
>
>
> Mahesh Jethanandani
> mjethanandani@gmail.com
>
>
> _______________________________________________
> mpls mailing list
> mpls@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls
>