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.


About WebRTC Glossary

The WebRTC Glossary is an ongoing project where users can learn more about WebRTC related terms. It is maintained by Tsahi Levent-Levi of

Looking to learn more about WebRTC? 

Check my WebRTC training courses