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Research on Invulnerability Technology of Node Attack in Space-Based Information Network Based on Complex Network

1
Graduate School, Space Engineering University, Beijing 101416, China
2
Science and Technology on Complex Electronic System Simulation Laboratory, Space Engineering University, Beijing 101416, China
*
Author to whom correspondence should be addressed.
Electronics 2019, 8(5), 507; https://doi.org/10.3390/electronics8050507
Received: 19 March 2019 / Revised: 30 April 2019 / Accepted: 30 April 2019 / Published: 8 May 2019
(This article belongs to the Section Networks)
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Abstract

With the rapid development of communications technology, the space-based information network (SBIN) is increasingly threatened by the outside world. Dynamic changes in any part of its interior can cause the collapse of the entire network. Therefore, research on the invulnerability of SBIN has become an urgent need to promote the economic development of our country and improve the living standards of our people. To this end, this paper has carried out research on the node-attacked invulnerability of SBIN based on the complex network theory. First, based on the model of SBIN, the internal parameters of the network are analyzed theoretically based on complex networks. Second, the paper proposes an improved tree attack strategy to analyze the invulnerability of SBIN, which constitutes a problem where the traditional attack strategy has a low invulnerability and the connected edge cannot fully realize the network function. Then, based on the improved tree attack strategy algorithm, this paper optimizes the invulnerability of SBIN by constructing four different edge-increasing strategies. Through the research, the LDF edge-increasing strategy makes the entire network flatter and can effectively improve the network’s ability to resist destruction. The research of invulnerability based on the complex network has a certain technical support and theoretical guidance for the construction of a reasonable and stable SBIN. View Full-Text
Keywords: space-based information network (SBIN); node attack; invulnerability; complex network space-based information network (SBIN); node attack; invulnerability; complex network
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Liu, C.; Xiong, W.; Zhang, Y.; Sun, Y.; Xiong, M.; Guo, C. Research on Invulnerability Technology of Node Attack in Space-Based Information Network Based on Complex Network. Electronics 2019, 8, 507.

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