"Cost too much" is the understatement of the decade here. Of course, if you handwave away the hypermassive problem, then there is no problem ;) Except maybe the

"Cost too much" is the understatement of the decade here. Of course, if you handwave away the hypermassive problem, then there is no problem ;) Except maybe the transition between the old and the new Internet and whatnot - see IPv4 and IPv6 for a similar brouhaha.