Prof. Li Chen Profile

Prof. Li Chen

at State Grid Gansu Electric Power Company

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Proceedings Article | 19 October 2022 Paper

Inter-network connection of power transmission system based on network isolation switching deployment

Li Chen, Yiming Zhang, Wenyuan Bai, Shaobo Liu, Fupeng Li

Proceedings Volume 12294, 122941F (2022) https://doi.org/10.1117/12.2641931

KEYWORDS: Control systems, Network security, Switching, Computer security, Data transmission, Information security, Standards development, Network architectures, Mathematical modeling, Lithium

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The electric power industry is the pillar industry of the society, shouldering the important task of providing stable power output for the country and the people. Therefore, the network security requirements of the power industry need to develop higher standards. The automation of transmission system has greatly improved the production efficiency of power grid, but the in-depth application of network technology has made the security of transmission system a new problem. In this paper, the network isolation technology is used to design the network isolation component. The Netmap high-speed packet receiving and sending framework technology is used to capture and forward the data of the network isolation component, reduce the number of copies of data packets in the kernel, and improve the packet forwarding speed of the network insulation component, which meets the needs of network isolation components in the case of large amounts of data. In the experimental test, according to the analysis of the test program and results, it is verified that the network isolation component can achieve access control and transmission protocol filtering functions in function, and can handle high concurrent connections in performance to ensure the efficient operation of the business, realize the isolation and exchange of internal and external network data of the transmission system, and protect the information security of the internal network of the system.

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