IPv4 supports four different classes of addresses, which are Anycast, Broadcast, Multicast, and Unicast. While the term Anycast has not been used in previous chapters in this guide, it is important to remember that Anycast addresses are not special types of addresses. Instead, an Anycast address is simply an IP address that is assigned to multiple interfaces. Common examples of technologies that use Anycast addressing include IP Multicast implementations, and 6to4 relay implementation.
NOTE: 6to4 is a transition mechanism for migrating from IPv4 to IPv6. 6to4 will be described in detail later in this chapter.
With Anycast addressing . . .
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