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Re: [core] Éric Vyncke's Discuss on draft-ietf-core-sid-16: (with DISCUSS and COMMENT)

"Eric Vyncke (evyncke)" <evyncke@cisco.com> Wed, 14 July 2021 21:05 UTC

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From: "Eric Vyncke (evyncke)" <evyncke@cisco.com>
To: Michael Richardson <mcr+ietf@sandelman.ca>
CC: The IESG <iesg@ietf.org>, "draft-ietf-core-sid@ietf.org" <draft-ietf-core-sid@ietf.org>, "core-chairs@ietf.org" <core-chairs@ietf.org>, "core@ietf.org" <core@ietf.org>
Thread-Topic: [core] Éric Vyncke's Discuss on draft-ietf-core-sid-16: (with DISCUSS and COMMENT)
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Date: Wed, 14 Jul 2021 21:05:03 +0000
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Subject: Re: [core] Éric Vyncke's Discuss on draft-ietf-core-sid-16: (with DISCUSS and COMMENT)
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Thank you Michael for your reply as I did not realize the usefulness of section 7.4.

The YANG SID mega-range registry would indeed be OK for Open Config and major vendors. As a mega-range is 1.000.000 (roughly 2**20) entries for a 63-bit value, this leaves 2**40 mega-ranges, basically infinite. With this huge amount of mega-ranges, I wonder whether FCFS would not have been enough or at least I hope that the expert will be very lenient to allow a new mega-range.

I will remove this blocking DISCUSS point tomorrow (getting late here).

My other DISCUSS point about a range per RFC or per module is still unclear though as there can be multiple modules per RFC (hence the text is inconsistent).

-éric

-----Original Message-----
From: Michael Richardson <mcr+ietf@sandelman.ca>
Date: Wednesday, 14 July 2021 at 17:15
To: Eric Vyncke <evyncke@cisco.com>
Cc: The IESG <iesg@ietf.org>, <draft-ietf-core-sid@ietf.org>, <core-chairs@ietf.org>, <core@ietf.org>
Subject: Re: [core] Éric Vyncke's Discuss on draft-ietf-core-sid-16: (with DISCUSS and COMMENT)


    Éric Vyncke via Datatracker <noreply@ietf.org> wrote:
        > -- Section 7.5.2 --
        > AFAIK, many YANG modules are not originating at the IETF (Open Config, vendor
        > specifics modules, ...). How can those non-IETF modules get a SID as the two
        > ways to get a SID are based on RFC (if I understand correctly this section).

    {Speaking as an interesting party who has a SID dependancy in
    draft-ietf-anima-constrained-voucher, and who are doing interop next week
    during the hackathon...}

    The original intention was that there would be multiple providers of SIDs via
    mega-range allocations (7.4), and that most major entities would allocate
    that way.  I see no reason why larger vendors couldn't allocate that as well.
    Section 7.4 is Expert Review.

    The authors originally operated a web interface, and were hoping to hand that
    to IANA and/or secretariat.


    --
    Michael Richardson <mcr+IETF@sandelman.ca>   . o O ( IPv6 IøT consulting )
               Sandelman Software Works Inc, Ottawa and Worldwide

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