[rfc-i] "obsoleted by" in RFC 5143

Julian Reschke julian.reschke at gmx.de
Thu Nov 19 11:57:55 PST 2009

Andrew G. Malis wrote:
> Bob and Julian,
> I can fill you in on that one, as the primary guilty party.
> When we did the work in the pwe3 working group on this protocol, even
> though what we standardized was RFC 4842, there were substantial
> pre-standard deployments of the original early drafts, which can
> happen when the running code precedes the rough consensus :-).
> So the agreement we reached in the WG was that we would publish 4842
> as the officially blessed PS for future implementations to use, and
> then go back and publish the original work as historic, just to
> document what was running in the field at that time. That resulted in
> 5143, which was indeed obsoleted by 4842. We made that pretty clear in
> the abstract to 5143.
> Cheers,
> Andy
> ...

Thanks Andrew.

It all makes sense now, but seeing RFC M obsoleted by RFC N, with M > N, 
was kind of surprising...

BR, Julian

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