Real-time multi-business data multiplex communication network of electric power system
A business data and data multiplexing technology, applied in data exchange network, transmission system, network interconnection and other directions, can solve the problems of difficulty in guaranteeing real-time data, sacrificing communication stability performance indicators, reducing network performance, etc., to overcome rigidity and data sharing problems, improve the efficiency of data transmission, and overcome the effect of resource competition
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Embodiment 1
[0042] The power system real-time multi-service data multiplexing communication network of this embodiment includes a real-time switch core network, an access line, an interface module and a data terminal, the data terminal is connected to the interface module, and the interface module is connected through the access line to a real-time switch core network; the real-time switch core network includes switches with a service classification and forwarding mechanism, and the switches with the service classification and forwarding mechanism are all connected to each other.
[0043] Such as figure 2 As shown, there are four data terminals in this embodiment, which are the first data terminal, the second data terminal, the third data terminal and the fourth data terminal. The above four data terminals are respectively connected to the first interface module, the second interface module, the third interface module and the fourth interface module, and then connected to the core networ...
Embodiment 2
[0046] This embodiment is a further improvement on the basis of Embodiment 1. The improvement is that: the data terminal is used to generate the first service data in the Ethernet packet format and send it to the interface module; the data terminal is also used to Receive the fourth service data in Ethernet packet format transmitted by the interface module, the first service data and the fourth service data both include single service data and mixed service data, and the mixed service data is a combination of multiple single service data combination;
[0047] The interface module is used to receive the first business data generated by the data terminal, and convert all the business data into single business data of three business data types: synchronous sampling data, real-time control data and system management data according to the business data type , and then multiplexing each type of single service data, and transmitting the multiplexed second service data to the real-tim...
Embodiment 3
[0060] This embodiment is an improvement on the basis of Embodiment 2. The difference from Embodiment 2 is that in order to realize backup and redundancy protection in the process of business data transmission, the multi-service multiplexing communication network adopts a parallel network, so The parallel network includes two real-time switch core networks configured in parallel and parallel access lines respectively connected to the two real-time switch core networks; the parallel network realizes parallel sending and receiving of service data through an interface module.
[0061] The multi-channel parallel network interface function provided by the interface module in this embodiment is the basis of the parallel network. Such as image 3 As shown, in this embodiment, the first data terminal sends service data to the third data terminal as an example to describe the service data delivery process. The first data terminal sends the first service data to the first interface mod...
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