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Characterizing the Spread of Correlated Failures in Large Wireless Networks | IEEE Conference Publication | IEEE Xplore

Characterizing the Spread of Correlated Failures in Large Wireless Networks


Abstract:

Correlated failures pose a great challenge for the normal functioning of large wireless networks, because an initial local failure may trigger a global sequence of relate...Show More

Abstract:

Correlated failures pose a great challenge for the normal functioning of large wireless networks, because an initial local failure may trigger a global sequence of related failures. Given their potentially devastating impact, we characterize the spread of correlated failures in this paper, which lays the foundation for evaluating and improving the failure resilience of existing wireless networks. We model the failure contagiousness as two generic functions: the failure impact radius distribution function fr(x) and the failure connection function g(x). By using the percolation theory, we determine the respective characteristic regimes of fr(x) and g(x) in which correlated failures will and will not percolate in the network. As our model represents various failure scenarios, the results are generally applicable in understanding the spread of a wide range of correlated failures.
Date of Conference: 14-19 March 2010
Date Added to IEEE Xplore: 06 May 2010
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Conference Location: San Diego, CA, USA

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