> They could have at least let ipv6 only folks talk to ipv4 more easily. And how do the IPv4 hosts talk back? 464XLAT is one solution, but it requires infrast

> They could have at least let ipv6 only folks talk to ipv4 more easily. And how do the IPv4 hosts talk back? 464XLAT is one solution, but it requires infrastructure to be in place to perform the protocol translation. The protocol alone isn't enough to allow interoperation.