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TCP

The internet protocol that turns unreliable packets into a dependable, ordered stream of data.

TCP (Transmission Control Protocol) sits on top of raw IP packets and adds guarantees: data arrives in order, nothing is lost, and duplicates are removed — normally via acknowledgements, retransmission, and reassembly. A 'minimal TCP' that lacks retransmit and reassembly only handles the simplest case and drops those reliability guarantees. Most internet traffic, including web and TLS, rides on TCP.

See also

  • TLSThe protocol that encrypts internet connections — the 's' in HTTPS.
  • TLS 1.3The current, streamlined version of the TLS encryption protocol.
  • syscallThe controlled doorway a program uses to ask the operating system kernel to do something for it.

Referenced by

TLS