> > create a tunnel.
>
> => I guess you would give the same answer
> for link-locals and many other cases.
link-locals are there for autoconfiguration, not security.
> So, if you have a tunnel, secure it.
answer is non-responsive. we were discussing unauthorized
router modifications.
site locals do not result in a meaningful improvement in security to a
site of nontrivial size -- any node with a global address may
unilaterally "choose" to extend the site...
- Bill
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