TCP的状态

TCP A TCP B 1. ESTABLISHED ESTABLISHED (Close) 2. FIN-WAIT-1 --> <SEQ=100><ACK=300><CTL=FIN,ACK> --> CLOSE-WAIT 3. FIN-WAIT-2 <-- <SEQ=300><ACK=101><CTL=ACK> <-- CLOSE-WAIT (Close) 4. TIME-WAIT <-- <S

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