The Origins of TCP/IP

TCP/IP gets its name from the most widely used protocols in the suite: Transmission Control Protocol (TCP), the OSI-RM Level 4 protocol that provides connection- oriented data transport service, and Internet Protocol (IP), the OSI-RM Level 3 protocol that provides datagram delivery and addressing facilities. Early in TCP/IP's development, its capability to provide network connectivity between different types of hosts was extolled as one of its greatest virtues.

This virtue has made TCP/IP the protocol on which most client/server computing is based. Most interactive application layer protocols use the client/server model to exchange data. Client/server is a transaction-based processing model. The client represents the user ...

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