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TCP | Training Camp

Glossary > TCP

What is TCP?

Understanding TCP

TCP, or Transmission Control Protocol, is a connection-oriented protocol that operates at the transport layer of the OSI model. It ensures reliable and ordered delivery of data between devices on a network. TCP establishes a connection between sender and receiver, breaks data into packets, numbers them for sequencing, and includes error-checking to ensure all packets are received and retransmits any lost packets.

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