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Definition

Transmission Control Protocol

The Transmission Control Protocol (TCP) is a transport-layer communication protocol that provides reliable, ordered data delivery between programs over a network. To guarantee that data arrives accurately and in sequence, TCP establishes a connection prior to sending information, assigns sequence numbers to each data unit, confirms receipts from the destination, retransmits lost packets, and regulates data transmission rates to mitigate network congestion.

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Updated 2026-09-06

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Prep Sessions

Anatomy of the Internet: Core Protocols and Packet Delivery @ University of Michigan - Ann Arbor

Ch.3 Transport Layer Mechanisms - Anatomy of the Internet: Core Protocols and Packet Delivery @ University of Michigan - Ann Arbor

Transmission Control Protocol and Connection Establishment - Anatomy of the Internet: Core Protocols and Packet Delivery @ University of Michigan - Ann Arbor

User Datagram Protocol and Real-Time Communication - Anatomy of the Internet: Core Protocols and Packet Delivery @ University of Michigan - Ann Arbor