> Yes, a router with multiple connected sites is certainly the case
> where the biggest savings from eliminating or restricting site locals
> would be found.
Hosts have routing tables, too.
A host connected to multiple sites needs nearly all of the mechanisms
that a multi-site router needs.
If that becomes common, then the approach to SL's that required
a DMZ between sites (no nodes in 2 sites) may become the standard way to
operate.
I don't think such a requirement will be meaningful because "node" is
underspecified -- someone will argue that you can meet this
requirement in a single box running a single OS image by supporting
two virtual nodes connected by a virtual DMZ, and we're back to where
we started.
- Bill
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