On Thu, 18 Jun 2020, Eric Rescorla wrote:

On Thu, Jun 18, 2020 at 6:47 AM Tim Wicinski <[email protected]> wrote:
      Eric

One of the reasons we've published 8624 was to offer usage recommendations,
and especially this table: 

https://tools.ietf.org/html/rfc8624#page-5

I believe I saw that one of the authors mentioned earlier they are looking to 
do a -bis update, to update this table.


Thanks for the pointer. And I suppose I could live with an Informational RFC 
with a  NOT RECOMMENDED entry in this table.

It would be very strange to introduce a new algorithm as NOT RECOMMENDED.
The weakest I think we should introduce something is as MAY.

The typical cycle of a new algorithm is MAY, SHOULD, MUST, SHOULD NOT,
MUST NOT (where NOT RECOMMENDED is really SHOULD NOT). For a less
successful algorithms it might go as MAY, SHOULD NOT, MUST NOT.

I also feel a little weird doing it as an INFORMATIONAL, but no one
outside the IETF really knows the difference for RFCs anyway.

Paul

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