AI engineering glossary · Computing foundations

What is TCP?

TCP (also called Transmission Control Protocol): Transmission Control Protocol, a transport protocol that provides reliable, ordered delivery of data by establishing a connection, numbering bytes, acknowledging receipt and resending anything lost. Web pages, email and file transfers rely on it.

Level: intermediateTopic: Computing foundations

TCP: an example

If one packet of a file download is lost, TCP notices and asks for it again so the file arrives complete.

Related terms

More Computing foundations terms

Where you learn it

TCP is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.

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