IPv6 Addressing

We are in the midst of a large-scale change on the Internet. For many years now, many of us have worked to come to grips with the subtleties of IP addressing, subnetting, and more. Meanwhile, IP address space has approached exhaustion much sooner than anyone anticipated. When software and operating systems get outdated, what do we do? We upgrade them. The same goes for protocols that begin to show the signs of age and not being able to serve what is needed for the times. Classless IPv4 has helped, but it’s not enough. IP has now been upgraded to version 6—also called IP next generation (IPng)—and the great migration has begun.

Introduction to IPv6 Addressing

IP v6 is not built upon the building blocks of IP v4. Instead, it’s ...

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