What is the TCP 3-Way Handshake and Why Backend Engineers should understand it

The TCP handshake is one of the most common things that happen when we establish a connection to a server. I thought I take a few minutes to explain why do we need the TCP Handshake, how does it work and its effect on the performance of applications.

Chapters
0:00 Intro
0:40 Why Do we need TCP Handshake?
4:40 Handshake Explained
8:50 Impact of Handshake on Performance


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