Strategic Analysis and Design of Robust and Resilient Interdependent Power and Communication Networks with a New Model of Interdependency

Arunabha Sen, School of Computing, Informatics and Decision Systems Engineering, Arizona State University
Vendredi 11 septembre 2015 à 11h, salle 26-00/332
Abstract
The critical infrastructures of the nation such as the power grid and the communication network are highly interdependent. Recognizing the need for a deeper understanding of the interdependency in a multi-layered network, significant efforts have been made in the research community in the last few years to achieve this goal. Accordingly a number of models have been proposed and analyzed. Unfortunately, most of the models are over simplified and as such they fail to capture the complex interdependency that exists between entities of power grid and communication networks involving a combination of conjunctive and disjunctive relations. To overcome the limitations of existing models, we have recently proposed a new model that is able to capture such complex interdependency relations. Utilizing this model, we have studied a number of problems, including (i) identification the k most vulnerable nodes of an interdependent network, (ii) entity hardening problem, (iii) progressive recovery problem, (iv) targeted attack problem and several others. In this talk, we first present the new model and then discuss several problems that has been studied utilizing this model.
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