TCP connection Setup

    #+BEGIN_SRC plantuml :file images/tcp_connect.png    &NBSP;TITLE&NBSP;TCP Connection established     autonumber    participant client     participant server    note over client ,  Server    client and server initial state are in closed    end note     client ->  server : syn (seq=x)     activate  Client    note left: 3 The 1th step of the handshake, \ nthe client is in Syn_sent state      Client <-- server : syn (seq=y,ack=x+1)     activate server The 2nd step of the     note right: 3 handshake, \ nthe server is in the SYN_RCVD state after that     client  ->  server :  (seq=x+1,ack=y+1)     deactivate client     deactivate serVer    note left of client: 3 the 3rd step of the handshake, \nclient confirm that the server syn,\ N and in the established state     note right of server: server SYN is confirmed by the client, \ Nserver also enters established state     note over client , server     3 handshake ends, both client and server enter established status      from now on both sides can transmit data     end  note    #+end_src

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TCP connection Setup