Chapter 7 P2P Service
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7.5.3 TCP user define frame client
Client
Time
①
SYN
Time
②
SYN ACK
③
ACK
PUSH ACK
⑤
PUSH ACK
⑥
ACK
⑦
FIN ACK
⑧
ACK
⑨
RST
Server
Transmission port : n >1024
Destination port: user
’
s
assignment
Connection
Disconnection
Connection
Disconnection
User define frame
(Client)
User define frame
(Server)
Transmission port: n >1024
Destination port : user
’
s
assigment
●
●
●
[Fig. 7-35] TCP user define frame client
(1) TCP user define frame client provides a function sending the registered frame as the sending block to the user’s assigned
port.
(2) In case of operation condition –‘ON’ in block, TCP user define frame client does SYN, and send the registered frame in
①
sending block to the port.
(3) In case of UDP user define frame client does not do SYN , it send the frame to the po
①
rt when the operation condition is
‘ON’.