> translating ipv4 addresses into a reserved range of ipv6 addresses That's already a part of IPv6: https://en.wikipedia.org/wiki/IPv6_address#Transition_from_

> translating ipv4 addresses into a reserved range of ipv6 addresses That's already a part of IPv6: https://en.wikipedia.org/wiki/IPv6_address#Transition_from_IPv4 https://en.wikipedia.org/wiki/IPv6_address#Transition_from_I... (In fact, when I store IPv4 addresses in memory/files, I just use the IPv6 encoding, which saves having a separate IP version field.)