Rethinking failure and attack tolerance assessment in complex networks

Cinara G. Ghedini and Carlos H.C. Ribeiro

Physica A: Statistical Mechanics and its Applications, 2011, vol. 390, issue 23, 4684-4691

Abstract: Studies have revealed that real complex networks are inherently vulnerable to the loss of high centrality nodes. These nodes are crucial to maintaining the network connectivity and are identified by classical measures, such as degree and betweenness centralities. Despite its significance, an assessment based solely on this vulnerability premise is misleading for the interpretation of the real state of the network concerning connectivity. As a matter of fact, some networks may be in a state of imminent fragmentation before such a condition is fully characterized by an analysis targeted solely on the centrally positioned nodes. This work aims at showing that, in fact, it is basically the global network configuration that is responsible for network fragmentation, as it may allow many other lower centrality nodes to seriously damage the network connectivity.

Keywords: Vulnerability in complex networks; Failure and attack tolerance; Network connectivity (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (12)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:390:y:2011:i:23:p:4684-4691

DOI: 10.1016/j.physa.2011.07.006

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