Toshiba V Series - Page 110

90 Ethernet module User’s Manual
Chapter 6 Socket Interface Communication
6
Figure 6-4 TCP Connection Communication Procedure (Outline)
Closed state
Active open
Connection established
Data transmission
Data transmission
Data transmission
Data transmission
Close request
Closed state
Closed state
Passive open
Connection established
Data reception
Data reception
Close request
Closed state
Connection establishment
request
Data transmission
ACK (acknowledge) response
Close request
Close request
Data reception
Data reception
Data transmission
ACK (acknowledge) response
Data transmission
ACK (acknowledge) response
Data transmission
ACK (acknowledge) response
ACK (acknowledge) response
Client side
(Active open)
Server side
(Passive open)