Hello,
I think that this discussion came up in the first place
because Francis Dupont pointed out that DHCPv6 does not
specifically support multi-link subnets.
They aren't typically implemented as part of stateless
autoconfiguration, and we don't know how to support them
directly with DHCPv6, and DHCPv6 is already late by a year+.
So, I would like to avoid seeing DHCPv6 encumbered with
any requirement to support multi-link subnets, except
insofar as avoiding the obvious problem of assigning the
same IP address to two different DHCP clients on the same
subnet. This latter problem does not exist in the current
spec.
I suggest that the existing DHCPv6 specification does not
need to deal with the issue at all, because ensuring
uniqueness is a problem for DAD, not DHCPv6. Whatever
DAD does, will work as well for DHCPv6 as for stateless.
Regards,
Charlie P.
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