Re: [core] [Anima] documenting SID usage in IETF specification

Michael Richardson <mcr+ietf@sandelman.ca> Thu, 13 September 2018 20:50 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Andy Bierman <andy@yumaworks.com>
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Date: Thu, 13 Sep 2018 16:50:13 -0400
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Subject: Re: [core] [Anima] documenting SID usage in IETF specification
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Andy Bierman <andy@yumaworks.com> wrote:
    > I think that we used to call these "Proposed standards" :-)
    > I'm not sure we need to have this designation. I think that SID
    > numbers are
    > cheap enough that it's okay if some drafts consume some and then
    > get
    > abandonned. The numbers could be recycled 6 months after the draft
    > expires.

    > IMO you had it right up to the last sentence.
    > There are not port numbers. There are 2^^64 of them.

Agreed.  So when recycled, they go to the end of the 2^^64 list :-)

    > The "experimental" SID space is especially problematic in this regard.
    > Within a deployment there will be server code from all different
    > dates,
    > so being able to declare the SID space clean at 1 single point in time
    > is not good enough.

Stuff in the experimental SID space is a problem.

--
Michael Richardson <mcr+IETF@sandelman.ca>ca>, Sandelman Software Works
 -= IPv6 IoT consulting =-