Three way TCP handshake

When a new TCP connection is established, TCP handshake is done. Since TCP is connection oriented protocol, no further handshakes are needed.

TCP handshake consists of three parts. These parts are: SYN, ACK SYN, ACK.

SYN stands for word "synchronize".

ACK stands for word "acknowledge".

TCP handshake typically does not include any data. Once handshake is done, and connection is established, then two parties can exchange data.

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