> From: Bob Hinden <bob.hinden@xxxxxxxxx>
> the other reason why we went with 128-bit address with a 64/64 split
> as the common case and defining IIDs that indicate if they have
> global uniqueness. This creates a framework that an ID/locator split
> could be implemented. ... we have a framework that would allow it
> without having to roll out another version of IP.
Alas, the inclusion of _both halves_ of the IPv6 address in the TCP
checksum means the framework you speak of is basically useless for an
identity/location split.
Noel
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