TCP Operational Overview and the TCP Finite State Machine (FSM) http://tcpipguide.com/free/t_TCPOperationalOverviewandtheTCPFiniteStateMachineF.htm

http://tcpipguide.com/free/t_TCPOperationalOverviewandtheTCPFiniteStateMachineF.htm   http://tcpipguide.com/free/t_TCPOperationalOverviewandtheTCPFiniteStateMachineF-2.htm http://tcpipguide.com/free/t_TCPOperationalOverviewandtheTCPFiniteStateMachineF-3.htm 

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原文地址：https://www.cnblogs.com/rsapaper/p/8056878.html