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IP Addressing Using IPv6

I think anyone who surfs the Web even occasionally is aware of the fact that the incredible number of people and businesses connected to the Internet has all but exhausted the number of available IP addresses. As you know from Chapter 5, "Network Protocols: Real and Imagined," IP addresses currently consist of four octets of information. Each octet holds 8 bits of information, meaning an entire IP address consists of 32 bits. This version of the Internet Protocol is called IPv4, which provides 4 billion unique IP addresses.

Although not every one of the 4 billion unique IP addresses has been used, networks of the near future, particularly in the home market, may include your refrigerator, your television, and maybe even your car. This means that the current address pool will be pillaged in pretty short order. Therefore, a scheme that provides more addresses is required.


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