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    Message passing for analysis and resilient design of self-healing interdependent cyber-physical networks

    Date
    2016
    Author
    Behfarnia, Ali
    Eslami, Ali
    Metadata
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    Citation
    A. Behfarnia and A. Eslami, "Message Passing for Analysis and Resilient Design of Self-Healing Interdependent Cyber-Physical Networks," 2016 25th International Conference on Computer Communication and Networks (ICCCN), Waikoloa, HI, 2016, pp. 1-6
    Abstract
    Coupling cyber and physical systems gives rise to numerous engineering challenges and opportunities. An important challenge is the contagion of failure from one system to another, that can lead to large scale cascading failures. On the other hand, self-healing ability emerges as a valuable opportunity where the overlay cyber network can cure failures in the underlying physical network. To capture both self-healing and contagion, we introduce a factor graph representation of inter-dependent cyber-physical systems in which factor nodes represent various node functionalities and the edges capture the interactions between the nodes. We develop a message passing algorithm to study the dynamics of failure propagation and healing in this representation. Through applying a fixed-point analysis to this algorithm, we investigate the network reaction to initial disruptions. Our analysis provides simple yet critical guidelines for choosing network parameters to achieve resiliency against cascading failures.
    Description
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    URI
    http://dx.doi.org/10.1109/ICCCN.2016.7568543
    http://hdl.handle.net/10057/12828
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