Getting ready for IPv6
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The first public Internet (version 4) IP address space is nearly exhausted. There were 4.2 billion addresses (sounds like a lot), and all IPv4 addresses have been assigned. Do you see the problem? The next generation of the Internet is version 6 (IPv6) and is capable of more addresses:
IPv4 – 4,294,967,296 addresses
IPv6 – 340,282,366,920,938,463,463,374,607,431,768,211,456 addresses
The growth of IPv6 traffic is a small portion of the overall Internet, but it is a rapidly growing segment. In early 2012, IPv6 traffic accounted for less than 1% of the overall Internet traffic. In mid 2015, IPv6 traffic accounted for over 7% of the Internet traffic. IPv6 traffic has doubled each of the past four (4) years and shows no sign of slowing. See the below chart (or this Google