> From: "Stephen Sprunk" <[EMAIL PROTECTED]>
> .. ULA-C/G leaks will not collide with each other. This means that,
> unlike RFC1918 which is _impossible_ for ISPs to route for multiple
> customers, ULA-C/G routes _can_ be routed publicly. Any prohibition
> on doing so by the IETF or RIRs can (and IMHO, will) be overridden by
> customers paying for those routes to be accepted.
Which would argue that the only realistic way to make *absolutely certain*
that IPv6 "private" addresses truly *cannot* be used out in the 'main'
internetwork is to allocate the same ranges of addresses to multiple
parties.
Anything else is just PI with a few speedbumps, and a different label.
Noel
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