In your previous mail you wrote:
... unless the following happens.
Node A on link1 has fe35::1 as global address.
AND
Node B on link2 has fe35::1 as global address.
They end up with the same global address meaning they are not global by
my definition.
=> then you concern is about duplicate global address detection only?
So ND would have to make sure also that the link-local is unique across
the multiple links. That could be difficult.
=> of course current ND DAD doesn't work in this case but a management
tool can easily fill the hole (for instance if we require nodes must
register new addresses in a central (ie with the multiple link scope)
database then it will be easy to detect duplicates. I'd like to use
DHCPv6 for that (then I am *not* happy with the last I-D which makes
this impossible, even this is not (yet) written down) but this function
is easy to implement if the way interface IDs are built does not imply
they are unique).
Regards
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