“There is no reason anyone would want a computer in their home.”
—Ken Olsen, President, Chairman, and Founder of Digital Equipment, 1977
The IPv6 protocol has been designed from the beginning with transition in mind to maintain complete backward compatibility with IPv4. Unlike the Y2K bug, there is no D-day for the switch from IPv4 to IPv6 networks on the Internet. The complete conversion of the Internet to IPv6 will be a long transition period during which IPv6 networks will have to communicate and coexist with IPv4 networks. The transition is expected to take several years.
After reading this chapter, you should understand the main integration and coexistence strategies (defined by IETF) ...