Re: Not entirely on topic, but...
I raise a complaint with BT, who tell me that there is no way they can do static addresses on domestic broadband. They can't even tell me if the IPv6 prefix will be static on a business-type connection
That's not a problem with IPv6, that's a problem with BT. They can - and should - give you a static prefix (it's not like there's any scarcity of those). But they have chosen to be a bunch of clueless numpties, and there's no fixing that with technology...
Vic.