Modeling cascading failures in congested complex networks

Jian-Feng Zheng, Zi-You Gao and Xiao-Mei Zhao

Physica A: Statistical Mechanics and its Applications, 2007, vol. 385, issue 2, 700-706

Abstract: Cascading failures occur commonly in congested complex networks, where it may be expressed as the process of generation, diffusion and dissipation of congestion. Different from betweeness centrality, we introduce congestion effects to determine the load on the node. In terms of user equilibrium condition, congestion effects can be described by cost functions or link performance functions, which map link flows to travel times. By introducing conceptual “practical capacity” dynamics to cost functions, cascading failures are well discussed in terms of the degree of congestion in complex networks. Moreover, the efficiency dynamics of the network due to cascading failures is also investigated, and a transition phenomenon is uncovered independent of clustering effect.

Keywords: Complex networks; Cascading failures; Congestion effects (search for similar items in EconPapers)
Date: 2007
References: View complete reference list from CitEc
Citations: View citations in EconPapers (12)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:385:y:2007:i:2:p:700-706

DOI: 10.1016/j.physa.2007.07.031

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