In this paper, the OPNET modeling technology is adopted to study the end-to-end real-time performance of service data stream in power communication network in detail. PTN network technology is used to establish PTN test network simulation model of power communication network, and analyze characteristics of data flow in power communication network, message transmission process and packet end-to-end delay. Specific research on end-to-end delay of data stream in different network configuration scence is did, pointing out that the sended data packet size, transmit interval, link background utilization, protocols of higher layer, the number of terminals are the main impact-factors of the real-time performance in power communication network, giving a detail analysis result, and putting forward a helpful scheme for reducing the data packet end-to-end delay.
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