> On 7/5/2016 10:33 AM, Black, David wrote:
> > Joe,
> >
> >>>    Implementations MUST NOT use option kind 69 unless and until it is
> >> replace 69 with TBD
> >>
> >>>    assigned to TCP-ENO by IANA.  In the meantime, implementations MUST
> >>>    use experimental option 253 [RFC6994], to which IANA has assigned
> >>>    ExID 0x454E (encoded by decimal bytes 69, 78 in Figure 1).
> >>>    Conversely, after IANA assigns a dedicated option kind to TCP-ENO,
> >>>    the use of option 253 is deprecated.
> >> The above is OK.
> >>
> > Is it also worthwhile to have this draft record the unauthorized use of
> > option kind 69 for a prior protocol that is superseded by TCP-ENO?    This
> > would be only as a description of what's happened.
> If and when 69 is assigned - yes.
> 
> But not before and not if a different codepoint is assigned.  It's
> sufficient to say that "all previous variants of this protocol are
> superceded by this", which applies both to content and codepoints.
>

That seems like  a reasonable path forward.

Thanks,
--David

[... remainder snipped ...]

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