NAT64 and DNS64 together provide a mechanism to be able to connect to IPv4 destinations from an IPv6 network. It is based on a NAT converting the addresses from IPv6 to IPv4 with the collaboration of a DNS server generating artificial IPv6 addresses.
It is supported by WebRTC endpoints now and it is important because of the need for iOS apps to be compatible with this mechanism.
WebRTC Glossary is a collaborative space where users can learn more about WebRTC related terms. Anyone can also modify or add new terms to this glossary, but it requires registration to the site first.