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TCP/IP is the foundational protocol suite for Internet communication, defining addressing, fragmentation, and reliable transport mechanisms. It comprises layers such as IP and TCP/UDP, enables routing across heterogeneous networks and underpins web, email and application services. Engineers use TCP/IP as a reference model for design and troubleshooting.
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TCP/IP is a family of network protocols that lets applications exchange data across interconnected networks.
TCP/IP grew out of DARPA Internet research and the development of TCP by Vint Cerf and Bob Kahn. The Internet Protocol published in RFC 791 in 1981, together with host requirements, made the stack interoperable.
IP addresses and moves individual packets, while TCP reliably and orderly transfers streams between applications. Application, transport, internet, and link layers work together.
IP addresses devices and routes packets across multiple networks.
TCP provides an ordered, acknowledged stream between applications.
The suite combines protocols from several layers to enable Internet communication.
TCP/IP is the technical foundation of almost every Internet service. Understanding it supports API design, troubleshooting, security, and sizing distributed applications.
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