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I'm not specifically opposed to this, but many of ssh's registries are for string identifiers (e.g. algorithm names) where there is a straightforward mechanism for individual implementors to define unique, interoperable identifiers without going through the registry (specifically, identifiers of the form name@domain are permitted, as assigned by the owner of that domain).
Certain values, such as message numbers, are small, and thus scarce. The current policy for these is Standards Action, which IMHO is appropriate giving the size of the available namespace as well as the core protocol functions they serve. For the most part, it is intended that new values for these codes would be allocated only as part of a revision of the base protocol suite, rather than in an extension.
That said, there are some other attributes (particularly, disconnect reasons, channel open failure reasons, and extended channel data types) for which significant namespace is managed under the IETF Review policy, with a small portion set aside for private use. It does seem like it would be reasonable to update these to use Expert Review instead. The ultimate question, then, is whether it is worth the (admittedly small) effort.
-- Jeff
From: Sean Turner <sean%sn3rd.com@localhost>
Sent: Thursday, February 4, 2021 00:51 To: SSH List Cc: Curdle List Subject: Re: Time to Review IANA SSH Registries Policies?
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