Rob Austin;
> And there's at least part of the problem. "Stateless DNS discovery"
> is not the same thing as "a solution in addition to DHCPv6" unless
> "stateless" is just a euphemism for "anything but DHCP". DHCPv6-lite
> is also "stateless" for every definition of "stateless" that applies
> to, eg, the RA-based proposals. This confusion persisted through the
> entire discussion in the IPv6 WG,
which is partly why I abandoned IPv6 WG not being a place
for serious protocol discussion long before.
> 3) Ohta-san has resurfaced the well-known-anycast hack. Issues with
> this are already on record in the IPv6 WG list archives, so I won't
> restate them here,
I guess there should be a lot of confusions on "stateless" in addition
to poor understandings on "anycast", such as that anycast addresses
should not be a source address, and on "scope" such as that discussed
in my draft that the archives are not helpful.
If my guess is wrong, correct me with a few pointed references.
> but I will note that sites which chose to do
> this with unicast addresses out of their own address space (as
> opposed to well-known unicast or anycast addresses) are already
> free to do so, and, indeed, I've been told that many ISPs already
> do this for v4 -- pretty much by definition, nobody but the ops
> staff at those ISPs would know. At a high level, though, the key
> point here is that this is not new technology, and sites which
> chose to use it can do so already without further protocol work.
Right. However, autocnfiguration is not a protocol but an operational
issue.
Site dependent anycast addresses can not remove operational effort
of DNS configuration by site administrators.
Global anycast addresses does remove it.
> In summary, while it's possible that there's a credible case to be
> made for why further protocol work is needed, I haven't seen it yet.
As we agree that
> to, eg, the RA-based proposals. This confusion persisted through the
> entire discussion in the IPv6 WG,
isn't it obvious that removal of features related to "stateless
autoconfiguration", including entire ND, from IPv6 is the required
protocol work?
Masataka Ohta
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