02 May 2010
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IPv4 - Internet Protocol Version 4
IPv4 - Internet Protocol Version 4. Internet Protocol version 4 (IPv4) is the fourth revision in the development of the Internet Protocol (IP) and it is the first version of the protocol to be widely deployed. Together with IPv6, it is at the core of standards-based internetworking methods of the Internet. IPv4 is still by far the most widely deployed Internet Layer protocol. As of 2010[update], IPv6 deployment is still in its infancy.