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Transmission Control Protocol (TCP) and Internet Protocol (IP (Internet Protocol)) (TCP/IP) (commonly known as the TCP/IP protocol suite or simply as the Internet Protocol suite)

Complete Definition:

The Internet protocol suite (commonly TCP/IP) is the set of communications protocols that implement the protocol stack on which the Internet and most commercial networks run. It is named for two of the most important protocols in it: the Transmission Control Protocol (TCP) and the Internet Protocol (IP), which were also the first two networking protocols defined. Today's IP networking represents a synthesis of two developments that began to evolve in the 1960s and 1970s, namely LANs (Local Area Networks) and the Internet, which, together with the invention of the World Wide Web by Sir Tim Berners-Lee in 1989, have revolutionized computing.

The Internet Protocol suite—like many protocol suites—can be viewed as a set of layers. Each layer solves a set of problems involving the transmission of data, and provides a well-defined service to the upper layer protocols based on using services from some lower layers. Upper layers are logically closer to the user and deal with more abstract data, relying on lower layer protocols to translate data into forms that can eventually be physically transmitted. The TCP/IP reference model consists of four layers. From lowest to highest, these are the link layer, the network layer, the transport layer, and the application layer.

Transmission Control Protocol/Internet Protocol. Common name for the suite of protocols developed by the U.S. DoD in the 1970s to support the construction of worldwide internetworks. TCP and IP (Internet Protocol) are the two best-known protocols in the suite.

Wikipedia Internet Protocol Suite (TCP/IP suite) Definition

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