Message transmission module, network communication system and communication implementation method thereof
A message model and message technology, applied in the transmission system, digital transmission system, data exchange network, etc., can solve the problems of incompatibility with multi-source heterogeneous CNC systems and real-time accuracy of transmitted data, etc.
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[0091]Figure 5A method of implementation of communication between different terminals, as follows:
[0092](1) The process of establishing a port connection with the terminal device B, terminal device C, and terminal device D, and the terminal device A is established as an example:
[0093](1.1) According to the requirements of the application, when the terminal device A first initiates a connection, generates a port porta and opens a temporary space;
[0094](1.2) The first transfer message terminal source port on the terminal device A side fills in port porta, and its destination port is the fixed port 8888 of the terminal device B; the start connection is set to 1, the control bit is set to 1;
[0095](1.3) The connection request is initiated to the fixed port 8888 of the terminal device B based on the IP address of the corresponding terminal device B;
[0096](1.4) The terminal device B receives the data of the first transfer message, randomly generates an available port portb, fi...
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