> > If the private nodes are organized into private and public
> > subnets, so that you could use autoconfiguration with
> > site-local addresses on some networks and global addresses on
> > others, then why would you need site-locals for that?  You
> > could just advertise two different global prefixes, and
> > filter one of them...
> 
> I agree, but that requires specific topology constraints that are
> unreasonable. If my laptop needs to be publicly accessable but my
> printer does not, why is it reasonable to require separate network drops
> rather than letting them share a hub?

who said anything about separate pieces of hardware?
we've been routing multiple subnets on the same cable for ages now.

Keith
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