Argh, the IESG writeup is a replica of my shepherd writeup 
(https://datatracker.ietf.org/doc/draft-ietf-lwig-curve-representations/shepherdwriteup/).
 I had noted that:

Since this draft is crypto-heavy only a few working group members were able to 
provide detailed reviews.

I had also noted the discrepancy between the requested values and the stream 
way before IETF last call was issued and before the current COSE experts 
objected:

The values requested require "Standards Action With Expert Review" however the 
requested RFC type is Informational.

When the draft was adopted to the working group, it did not have any 
registration requests 
(https://tools.ietf.org/html/draft-ietf-lwig-curve-representations-00#section-5).
 The question of whether LWIG is the right venue or not is something that many 
of us have struggled with over time. This was noted by me, Suresh (AD at the 
time of adoption) and Ben (when he saw the IoT directorate review in 2019: 
https://datatracker.ietf.org/doc/review-ietf-lwig-curve-representations-08-iotdir-early-migault-2019-10-25/).

In hindsight, another IETF last call after the change to standards track would 
have been nice regardless of whether it would have resulted in more review. But 
I think I have been following all the processes diligently and doing everything 
I can (and perhaps am supposed to) as a co-chair/document shepherd. If you have 
some feedback for improving things, I'm all ears.

--Mohit

On 2/17/21 1:43 PM, John Mattsson wrote:

Argh,



2020-11-18 14 Mohit Sethi Changing to proposed standard as requested by the 
COSE experts.



I think this might have been triggered by my comment on the COSE list. If that 
is the case, I would like to clarify that I am not a designated IANA COSE 
expert and I did not "request" this. I just pointed out that the requested 
numbers could not be assigned by an informational draft.

This is a curve that could benefit from a 1-2 byte COSE identifier, but it will 
probably also work very well with a 3 byte identifier. In some use cases like 
EDHOC it does not matter at all as the identifier is not sent on the wire.



At a minimum, since this has been changed from Informational to Standards Track 
I think we >should have another IETF Last Call.



Making this LWIG document standards track seems strange. The IESG writeup "only 
a few working group members were able to provide detailed reviews" seems to 
contradict the "has received significant community review" requirement for 
standards track.

I personally see no need to change the status of this document to standards 
track. If a 3 byte COSE identifiers are unacceptable it seems better to write a 
short standards track COSE draft for that part and publish the rest as 
informational.

Cheers,
John

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