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A Transmission Control Protocol/Internet Protocol (TCP/IP) is a suite of protocols used to transfer data from one computer to other computer. It is the technology behind the Internet and communications between the computers in a network.
The TCP is the transport part, which matches the size of the packets on either end and ensures that the correct packet has been received.
The second part, IP part is the user's computer address on a network. Every computer in a TCP/IP network has its own IP address that is either dynamically assigned at startup or permanently assigned.
All TCP/IP packets contain the address of the destination network as well as the address of the destination station. This enables TCP/IP messages to be transmitted to multiple networks (subnets) in a Metropolitan Area Network or Internet.
