An interdependent network coupling strategy based on overlapping link structure against targeted attack
Abstract
The robustness of interdependent networks has attracted much attention recently. Existing studies mainly focus on random failures, however, targeted attacks are ubiquitous in the real world. In this paper, a low degree neighbor node priority coupling (LDNPC) strategy is proposed, which enhances the robustness of interdependent networks under high-degree node targeted attacks by changing the relationship between layers to generate structures of overlapping links. First, nodes are ranked in descend according to their degrees. Then, nodes with low degrees have priority to choose their dependency partners to generate structures of overlapping links. Finally, experiments on three models of interdependent networks show that LDNPC can enhance the robustness of interdependent networks against high-degree node targeted attacks effectively.
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