Chapter Summary
IPv6 is the future of networking, primarily because it offers a vastly greater address space than IPv4. For some organizations, IPv6 is the immediate future, and those organizations must begin adopting IPv6 immediately. For most organizations, an IPv6 infrastructure will not be required for several years. An understanding of IPv6 requirements will allow the latter organizations to make hardware and software purchases today that will still be usable in the future IPv6 network environment.
Even within an organization that is adopting IPv6 today, the transition will not be immediate. To allow IPv6 to function on networks that still support only IPv4, IPv6 supports several important transition technologies: ISATAP, 6to4, and Teredo. ...
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