e/IPv6 transition mechanisms

Information
has gloss	eng: IPv6 transition mechanisms are important technologies to facilitate the transitioning of the Internet from its initial IPv4 infrastructure to the next generation addressing system of IPv6. Specifically, they are methods that allow IPv6-connected hosts to access IPv4 Internet resources and hosts. Some IPv6 transition mechanisms were first defined in RFC 1933, which has been superseded by newer developments in RFC 4213.
lexicalization	eng: IPv6 transition mechanisms
instance of	c/IPv6 transition technologies