Chapter 3: Common IPv6 Coexistence Mechanisms
As the name suggests, transition mechanisms help in the transition from one protocol to another. In the perspective of IPv6, transition basically means moving from IPv4 to IPv6. One day, IPv6 networks will completely replace today’s IPv4 networks. For the near term, a number of transition mechanisms are required to enable both protocols to operate simultaneously. Some of the most widely used transition mechanisms are discussed in the following sections.