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Appl. Sci. 2017, 7(6), 597; doi:10.3390/app7060597

Research on the Robustness of Interdependent Networks under Localized Attack

1
Science and Technology on Information Systems Engineering Laboratory, National University of Defense Technology, Changsha 410073, China
2
Department of logistics command, The Logistics Academy, Beijing 100858, China
*
Author to whom correspondence should be addressed.
Academic Editor: Christos Verikoukis
Received: 18 April 2017 / Revised: 25 May 2017 / Accepted: 6 June 2017 / Published: 9 June 2017
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Abstract

Critical infrastructures (CI) are the cornerstone of modern society, and they are connected with each other through material, energy, or information. The robustness of interdependent CI systems under attack has been a hot topic in recent years, but previous studies mainly focused on malicious attacks or random failure. To analyze the impact of some natural disasters whose destructive force is mainly related to distance with respect to interdependent CI systems, we present a new localized attack mode considering destructive force decays with distance, and carry out simulations on several interdependent networks constructed by artificial and real world networks. Furthermore, this article analyzes the influence of coupling strength and coupling pattern on the robustness of interdependent system. The results show that dependency links between networks decrease the robustness of interdependence networks, but the robustness under failure probability degradation is not vulnerable like that under malicious attack or random failure. In addition, the coupling preference has little effect on the robustness of interdependent networks under the new localized attack strategy; when the average degree of subnetworks is large, the same conclusion can be obtained for the coupling strength. View Full-Text
Keywords: interdependent networks; critical infrastructures; robustness; localized attack interdependent networks; critical infrastructures; robustness; localized attack
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Wang, J.; Lao, S.; Ruan, Y.; Bai, L.; Hou, L. Research on the Robustness of Interdependent Networks under Localized Attack. Appl. Sci. 2017, 7, 597.

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