TCP – 3 way handshake

Here’s a simple explanation for the TCP 3 way handshake agreement for Connection Establishment and Connection Termination —

Connection establishment :

1. SYN packet sent to the next node

2. SYN packet sent by the next node, along with the ACK of our SYN packet

3. ACK for their SYN sent to the next node

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Connection Termination:

1. FIN packet sent to the next node

2. FIN packet sent by the next node, along with ACK of our FIN packet

3. ACK of their FIN packet sent to the next node

Connection Establishment

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