IPv4 embedded: An IPv6 address that carries an IPv4 address in the low-order 32 bits of the address. However, unlike RFC 1918 addresses, these addresses are not intended to be statefully translated to a global unicast address.
Unique local: Similar to a private address in IPv4 (RFC 1918) and not intended to be routable in the IPv6 Internet. Unspecified address: Used only as a source address and indicates the absence of an IPv6 address. Loopback: An address not assigned to any physical interface that can be used for a host to send an IPv6 packet to itself. Link-local: Used only to communicate with devices on the same local link (covered in more detail in Chapter 6). Global unicast: A routable address in the IPv6 Internet, similar to a public IPv4 address (covered in more detail in Chapter 5). The following is a quick preview of each type of unicast address discussed in this section: This section covers the different types of unicast addresses, as illustrated in Figure 4-6.
Remember that IPv6 does not include a broadcast address. Notice that there is no broadcast address shown in Figure 4-6.
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