Catastrophic cascade of failures in interdependent networks

Sergey V. Buldyrev (), Roni Parshani, Gerald Paul, H. Eugene Stanley and Shlomo Havlin
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Sergey V. Buldyrev: Yeshiva University, 500 West 185th Street, New York, New York 10033, USA
Roni Parshani: Bar-Ilan University
Gerald Paul: Boston University, Boston, Massachusetts 02215, USA
H. Eugene Stanley: Boston University, Boston, Massachusetts 02215, USA
Shlomo Havlin: Bar-Ilan University

Nature, 2010, vol. 464, issue 7291, 1025-1028

Abstract: Power outages: catastrophic failure of linked networks On 28 September 2003, Italy suffered a near-nationwide power cut (Sicily was spared) that also brought down the Internet. Buldyrev et al. take this event, typical of a number that have occurred worldwide in recent years, and examine how such a cascade of failures involving independent networks can occur. They find that, surprisingly, a broader degree of distribution increases the vulnerability of interdependent networks to random failure — the opposite of what happens in a single network. This highlights the need to consider interdependent network properties when designing robust networks if a random failure is not to have catastrophic results.

Date: 2010
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DOI: 10.1038/nature08932

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