Re: RFC 2460..
> IPv6 deployment is *easy*
True. But, to echo Mr Fawlty, now for the hard part: coexistence with IPv4-only services (such as El Reg itself). That's always been the hard part, ever since the first IPv6 interop demo and the first commercial product (in 1997). However, the fact today is that (for example) 21% of Google users are on IPv6: https://www.google.com/intl/en/ipv6/statistics.html
It's a done deal except for the laggards.