TCP/IP, or Transmission Control Protocol/Internet Protocol, standardises communication between computers over the internet. TCP/IP can also be used in private networks.

Transmission Control Protocol (TCP) is the standard for two computers establishing a connection with each other over the internet and transmitting streams of data, and also ensuring that data packets are received in the right order.

The Internet Protocol (IP) finds out the address of the data packet and ensures it is routed to the right destination based on that address, even if there is no direct connection to that address.

Every computer with access to the internet uses TCP/IP .

By Sarah at UK Broadband Finder
Read my Broadband Glossary disclaimer

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