What is Internet Protocol (IP) ?
The method or protocol by which data is sent from one computer to another on the Internet. Each computer (known as a host) that is connected to the Internet has at least one IP address that uniquely identifies it from all other computers. The most widely used version of IP today is Internet Protocol Version 4 (IPv4). However, IP Version 6 is also beginning to be supported. IPv6 provides for much longer addresses and therefore for the possibility of many more Internet users. IPv6 includes the capabilities of IPv4 and any server that can support IPv6 packets can also support IPv4 packets.