Question about migrating to IPv6 with multiple upstreams.

[rcarpen at network1.net (Randy Carpenter)]

> Why do people insist on creating solutions where each host has
> exactly one IPv6
> address, instead of letting each host have *three* (in this case) - a
> ULA and
> two provider-prefixed addresses?
> 

How does the upstream router control which address/path the client host use to route?

-Randy