See TCP handshake.
"TCP/IP handshake." YourDictionary, n.d. Web. 21 June 2018. <http://www.yourdictionary.com/tcp-ip-handshake>.
TCP/IP handshake. (n.d.). Retrieved June 21st, 2018, from http://www.yourdictionary.com/tcp-ip-handshake
Do you use YourDictionary every day? If not, remember that it is never to late to do so!
Let us be there for you: