An Internet Protocol version 6 address (IPv6 address) is a numeric label that is used to identify and locate a network interface of a computer or a network node participating in a computer network using IPv6.

An IPv6 packet is the smallest message entity exchanged using Internet Protocol version 6 (IPv6).

An IPv6 transition mechanism is a technology that facilitates the transitioning of the Internet from the Internet Protocol version 4 (IPv4) infrastructure in use since 1983 to the successor addressing and routing system of Internet Protocol Version 6 (IPv6).

The deployment of IPv6, the latest version of the Internet Protocol, has been in progress since the mid-2000s.

This is a comparison of operating systems in regard to their support of the IPv6 protocol.

6rd is a mechanism to facilitate IPv6 rapid deployment across IPv4 infrastructures of Internet service providers (ISPs).