
324 Part Three • IPv6 Practice
differently. Still, this simple example offers an idea of some of the major
steps involved in moving to an IPv6-enabled world. Our hypothetical
enterprise is a multinational corporation with 4000 users spread across
eight sites in the United States, Asia, and Europe, with a fully deployed
IPv4 network. Although the specifics of each network are different, our
example should offer something to which almost everyone can relate.
20.1 Start Now
IPv4 will be with us for a long time: The sheer number of IPv4 nodes in the
world ensures that we will live in an environment where interoperability
is mandatory. Some enterprises will ...