Re: [IPv6] [v6ops] RFC for fec0:0:0:ffff::1?

I have also heard through the grapevine that those pre-dated the
deprecation of site-local and that there is "no plan to remove them". This
is anecdotal, I have never seen reference to it, just side conversations I
have had over the years.

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nb

ᐧ

On Wed, Nov 30, 2022 at 9:53 AM Dale W. Carder <dwcarder@es.net> wrote:

> Thus spake Klaus Frank (klaus.frank@posteo.de) on Wed, Nov 30, 2022 at
> 04:08:07AM +0000:
> > does anyone know what RFC is responsible for the IPv6 DNS server
> > configuration on all windows clients defaulting to fec0:0:0:ffff::1, I
> was
> > unable to find any. Nor is it listed in the iana special-purpose address
> > registry.
> >
> > I however found a draft (draft-ietf-ipv6-0dns-discovery-07) from 2002,
> but
> > no actual RFC.
>
> That draft matches my memory.  Recall that was well before rfc5006
> which was quite late to the party to address a glaring oversight
> as the ra vs dhcpv6 holy wars raged on.
>
> Having well-known resolver addresses be site-local (and anycasted,
> despite what the draft claims on that issue) could have been a
> logical design pattern for local networks.
>
> But more generally, no two people could ever be expected to agree on
> a common definition of what a "site" is.  rfc3879 documents the pain
> very well.  (see a generalized incarnation of this issue in rfc8799).
>
> Dale
>
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