STRUCTURE OF IPV6 ADDRESSES
Each IPv6 address is a 128-bit number. IPv6 addresses are assigned to interfaces, and each interface may be assigned multiple IP addresses. Three basic types of IPv6 addresses are used:
Unicast. A unicast address is used for a single interface.
Anycast. An anycast address is used for a set of interfaces. A packet sent to an anycast address is delivered to the nearest interface. The nearest interface is calculated by a routing protocol.
Multicast. A multicast address is used for a group of interfaces, and packets sent to multicast address are delivered to all interfaces in that multicast group.
Note that no broadcast address is used in IPv6.
Because a much greater number of IP addresses are available in IPv6 networks, ...
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