[6bone] multiple address handling

[itojun@iijlab.net]

>Of course part of the problem is the lack of progress of the multi6 WG,
>albeit a non-trivial problem to be working on :)   The "classic" IPv6
>solution for our university is to take two /48's from different providers,
>and for all clients to have two global addresses, but the client-side
>support for handling the multiple addressing is yet to be resolved.

	curious: where do you see problems in multiple address handling?
	i don't really see any, except the lack of ability to switching
	address pair for TCP (maybe we should use SCTP?).

	i'm using /48 address blocks from 4 upstreams in my home, and seeing
	no problem at all.

itojun