https://bugzilla.redhat.com/show_bug.cgi?id=1263941
--- Comment #2 from Ingvar Hagelund ingvar@linpro.no --- Additional info, or why NAT64?
With the support of a DNS64 server, tayga allows the translation of ipv4 addresses into an ipv6 prefix. This allows a network to be ipv6 only, while still maintaining contact with ipv4 networks.