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Re: [6lo] Alissa Cooper's No Objection on draft-ietf-6lo-ap-nd-17: (with COMMENT)

"Pascal Thubert (pthubert)" <pthubert@cisco.com> Thu, 06 February 2020 15:00 UTC

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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Alissa Cooper <alissa@cooperw.in>
CC: IESG <iesg@ietf.org>, "draft-ietf-6lo-ap-nd@ietf.org" <draft-ietf-6lo-ap-nd@ietf.org>, "6lo-chairs@ietf.org" <6lo-chairs@ietf.org>, "Shwetha Bhandari (shwethab)" <shwethab@cisco.com>, "6lo@ietf.org" <6lo@ietf.org>
Thread-Topic: [6lo] Alissa Cooper's No Objection on draft-ietf-6lo-ap-nd-17: (with COMMENT)
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Date: Thu, 06 Feb 2020 14:59:49 +0000
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Subject: Re: [6lo] Alissa Cooper's No Objection on draft-ietf-6lo-ap-nd-17: (with COMMENT)
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> > See also the discussion with IANA and Benjamin. The idea is that if someone
> wants to add a curve or a hash function, but following the method in this draft.
> Do we really need an RFC or is the IANA registry the reference? The idea is that
> the IESG should be able to determine that the new curve provides benefits
> without the need for an RFC. Do we have it wrong?
> 
> I see. Perhaps adding a few words to the document to indicate the
> circumstances under which each registration policy might be expected to be
> used would help.
>


 I came to the same conclusion; please consider the text I added in v-19, cf. my response to Roman, quoting below:

----------

This seems to match Benjamin's direction as well. Maybe:

"
   Crypto-Type:  8-bit unsigned integer.  The type of cryptographic
      algorithm used in calculation Crypto-ID indexed by IANA in the
      "Crypto-Type Subregistry" in the "Internet Control Message
      Protocol version 6 (ICMPv6) Parameters" (see Section 8.3).
"

This discussion is related to the points Benjamin and Alissa made on "IESG Approval" in the IANA section "
   Assignment of new values for new Crypto-Type MUST be done through
   IANA with either "Specification Required" or "IESG Approval" as
   defined in BCP 26 [RFC8126].
"
The goal behind that is to enable the addition of Crypto-Types without the need of an RFC as long as the IANA registry contains enough information to use this specification as is for the new crypto type.
Suggestion to add after the text cited above:

"
   The "Defining specification" column indicates the document that
   defines the length and computation of the digital signature, which
   could be this for values defined through "IESG Approval".
"

-------------------

Does that help? 

Pascal

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