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Introducing IPv6

Before leaving the subject of TCP/IP administration, we should introduce IP Version 6. IP Version 4, which is the current version of IP used, provides a 32-bit addressing system (as represented by the four octets in the dotted decimal format of an IP address). This supplies more than 3,560,000,000 total addresses.

The problem with IP Version 4 is that the IP address pool has been nearly exhausted. This is amazing, considering that even as little as 10 years ago, no one would have imagined the possibility of running out of unique IP addresses.


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