Hi Acee,

On 17/05/2021 14:56, Acee Lindem (acee) wrote:
Hi John,

Yes – I think “updates” should be removed. Registries are created explicitly for the purpose of tracking extensions and every document that adds to a registry should not update the document creating that registry. Now if the definition or application of the registry were changed, which I don’t believe is the case here, then we could consider “updates”.

RFC 7370 created the registry by merging multiple existing registries. It did not really defined any new functionality.

We are changing the name of that merged registry. Given that RFC 7370 did not define anything new, just defined the merged registry, one can consider the name change as an update to RFC 7370.

thanks,
Peter

Thanks,

Acee

*From: *John Scudder <jgs=40juniper....@dmarc.ietf.org>
*Date: *Monday, May 17, 2021 at 8:48 AM
*To: *Acee Lindem <a...@cisco.com>
*Cc: *Alvaro Retana <aretana.i...@gmail.com>, "Les Ginsberg (ginsberg)" <ginsb...@cisco.com>, "Peter Psenak (ppsenak)" <ppse...@cisco.com>, John Scudder via Datatracker <nore...@ietf.org>, "draft-ietf-lsr-isis-srv6-extensi...@ietf.org" <draft-ietf-lsr-isis-srv6-extensi...@ietf.org>, "lsr@ietf.org" <lsr@ietf.org>, "lsr-cha...@ietf.org" <lsr-cha...@ietf.org>, The IESG <i...@ietf.org>, Christian Hopps <cho...@chopps.org> *Subject: *Re: John Scudder's No Objection on draft-ietf-lsr-isis-srv6-extensions-14: (with COMMENT)

Acee,

I think you are saying you prefer to remove the “updates”. Is that right? It was a little confusing given the reply chain.

(I’ve already given my opinion but said I’m not going to go to the mat over it.)

—John



    On May 17, 2021, at 8:21 AM, Acee Lindem (acee)
    <acee=40cisco....@dmarc.ietf.org> wrote:

    That we be my preference as well. We’ve had several discussions on
    what constitutes “update” and I believe that the consensus was that
    a document isn’t “updated” unless the current behavior is changed.
    If we’ve done our jobs, protocols are designed to be extended and
    these extensions shouldn’t constitute updates.

    Thanks,

    Acee

    *From: *Alvaro Retana <aretana.i...@gmail.com>
    *Date: *Monday, May 17, 2021 at 6:55 AM
    *To: *"Les Ginsberg (ginsberg)" <ginsb...@cisco.com>, "Peter Psenak
    (ppsenak)" <ppse...@cisco.com>, John Scudder
    <jgs=40juniper....@dmarc.ietf.org>
    *Cc: *John Scudder via Datatracker <nore...@ietf.org>,
    "draft-ietf-lsr-isis-srv6-extensi...@ietf.org"
    <draft-ietf-lsr-isis-srv6-extensi...@ietf.org>, "lsr@ietf.org"
    <lsr@ietf.org>, "lsr-cha...@ietf.org" <lsr-cha...@ietf.org>, The
    IESG <i...@ietf.org>, Christian Hopps <cho...@chopps.org>
    *Subject: *Re: John Scudder's No Objection on
    draft-ietf-lsr-isis-srv6-extensions-14: (with COMMENT)
    *Resent-From: *<alias-boun...@ietf.org>
    *Resent-To: *Yingzhen Qu <yingzhen.i...@gmail.com>, Christian Hopps
    <cho...@chopps.org>, Acee Lindem <a...@cisco.com>
    *Resent-Date: *Monday, May 17, 2021 at 6:54 AM

    Peter:

    Hi!

    As John mentioned, "Since for better or worse we don’t have a firm
    definition of when we do, and don’t, use “updates”, it comes down to
    a matter of personal taste in the end.”

    I rather you leave it in.

    Thanks!

    Alvaro.

    On May 17, 2021 at 6:42:48 AM, Peter Psenak (ppse...@cisco.com
    <mailto:ppse...@cisco.com>) wrote:

        John, Alvaro,

        do we have a consensus whether we need the update to RFC 7370 or
        not?


        thanks,
        Peter



        On 13/05/2021 21:12, Les Ginsberg (ginsberg) wrote:
         > Alvaro –
         >
         > FWIW, I agree w John here.
         >
         > There are many examples – to cite a few:
         >
         > Sub-TLVs for TLVs 22, 23, 25, 141, 222, and 223 (Extended IS
         > reachability, IS Neighbor Attribute, L2 Bundle Member
        Attributes,
         > inter-AS reachability information, MT-ISN, and MT IS Neighbor
        Attribute
         > TLVs)
         >
         > …
         >
         > Reference
         >
         >     [RFC5305][RFC5316][RFC7370][RFC8668]
         >
         > RFC 8868 is not marked as updating RFC 7370.
         >
         > RFC 7370 is not marked as updating RFC 5316/RFC 5305.
         >
         > Sub-TLVs for TLVs 135, 235, 236, and 237 (Extended IP
        reachability, MT
         > IP. Reach, IPv6 IP. Reach, and MT IPv6 IP. Reach TLVs)
         >
         > …
         >
         > Reference
         >
         >     [RFC5305][RFC7370]
         >
         > Again, RFC7370 is not marked as updating RFC 5305.
         >
         > I think it is sufficient to request that IANA add the new RFC
        to the
         > list of References for the modified registry.
         >
         >    Les
         >
         > *From:* Lsr <lsr-boun...@ietf.org
        <mailto:lsr-boun...@ietf.org>> *On Behalf Of *John Scudder
         > *Sent:* Thursday, May 13, 2021 11:00 AM
         > *To:* Alvaro Retana <aretana.i...@gmail.com
        <mailto:aretana.i...@gmail.com>>
         > *Cc:* John Scudder via Datatracker <nore...@ietf.org
        <mailto:nore...@ietf.org>>; Christian Hopps
         > <cho...@chopps.org <mailto:cho...@chopps.org>>;
        lsr-cha...@ietf.org <mailto:lsr-cha...@ietf.org>; The IESG
        <i...@ietf.org <mailto:i...@ietf.org>>;
         > draft-ietf-lsr-isis-srv6-extensi...@ietf.org
        <mailto:draft-ietf-lsr-isis-srv6-extensi...@ietf.org>;
        lsr@ietf.org <mailto:lsr@ietf.org>
         > *Subject:* Re: [Lsr] John Scudder's No Objection on
         > draft-ietf-lsr-isis-srv6-extensions-14: (with COMMENT)
         >
         > On May 13, 2021, at 1:20 PM, Alvaro Retana
        <aretana.i...@gmail.com <mailto:aretana.i...@gmail.com>
         > <mailto:aretana.i...@gmail.com
        <mailto:aretana.i...@gmail.com>>> wrote:
         >
         >   This documents updates RFC 7370 by modifying an existing
         > registry.
         >
         > Also, this doesn’t seem to me like an update to RFC 7370. It’s
         > normal for an
         > RFC to update an IANA registry, without saying it updates a
         > previous RFC that
         > established that registry. I think the “updates” just confuses
         > matters and
         > clutters things up, and should be removed.
         >
         >
> In this case the document is not only registering a value. It is
         > changing the name of the registry, adding an extra column, and
         > updating all the other entries (§11.1.*).  The Updates tag is
        used
         > because it significantly changes the registry.
         >
         > Still seems unnecessary to me, registries are moving targets,
        citation
         > of all the relevant RFCs in their references should be
        sufficient. So,
         > the registry would be updated so that it cited both this spec
        and 7370,
         > and someone wanting to know “how did the registry get this
        way?” would
         > be able to work it out.
         >
         > I’m not going to fight about it; the “updates” is not very
        harmful. I
         > say “not very” because the diligent reader might be led to
        think they
         > need to go read RFC 7370 in order to properly understand this
        spec, and
         > waste some time realizing that isn’t true. Since for better
        or worse we
         > don’t have a firm definition of when we do, and don’t, use
        “updates”, it
         > comes down to a matter of personal taste in the end.
         >
         > $0.02,
         >
         > —John
         >


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