[tcpm] Re: draft-ietf-tcpm-rst-diagnostic-payload: reason-code Size and Allocation Policy

[Michael Tuexen <[e-mail]>]

> On 22. Apr 2026, at 17:47, [e-mail] wrote:
> 
> Hi all,
>  The reason-code is currently encoded in 32 bits with the full range being governed by Expert Review policy. The main
Just to be precise: the reason code is a 16-bit entity.
> motivation was to make sure a registered code is technically sound. In the meantime, we would like to encourage codes to be registered. Registering a reason-code allows to avoid using pen-specific codes.
>  Please let us know if you think that using an FCFS policy would be sufficient or if reserving an FCFS range is needed. Also, we are interested in feedback on size.Cheers,
I plan to implement sending the diagnostic information for kernel triggered RST segments in
FreeBSD over the weekend at a hackathon. So hopefully, I can provide some feedback next week.

Best regards
Michael (as an individual).
> Med (no AD fez)
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