Question: Explain the data flow in the following diagrams System A State/(Command) System B State/(Command) System A State/(Command) System B State/(Command) CLOSED CLOSED CLOSED (Passive Open)

Explain the data flow in the following diagrams

System A State/(Command) System B State/(Command) System A State/(Command) System B State/(Command) CLOSED CLOSED CLOSED (Passive Open) LISTEN SYN (Active Open) SYN SENT (Active Open) SYN SENT ESTAB ESTAB SYN ESTAB (a) Active/Passive Open SYN SYN CLOSED (Active Open) SYN SENT ESTAB (b) Active/Active Open

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