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Three-Way-Handshake


Definition - What does Three-Way-Handshake mean?

A three-way-handshake is a method used in a TCP/IP network to create a connection between a local host/client and server. It is a three-step method that requires both the client and server to exchange SYN and ACK (acknowledgment) packets before actual data communication begins.

A three-way-handshake is also known as a TCP handshake.

Techopedia explains Three-Way-Handshake

A three-way-handshake is primarily used to create a TCP socket connection. It works when: 

Upon completion of this process, the connection is created and the host and server can communicate.

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