ICT and Electric Power Systems Interdependencies Modeling

Abstract:
Power systems and ICTs interdependencies request innovative and revolutionary methods, built on new ideas that aim at identifying weaknesses and critical components that can fail and create many other failures either by cascading, common-mode or escalating. One possible approach to understand critical infrastructures vulnerabilities is to study their topologies and to quantify their physical and cyber interdependencies. This paper proposes a topologic-driven approach to model coupled infrastructures interdependencies, which evaluates complex-weighted graphs to assess some topological indices: Betweenness Centrality and Efficiency. The method is demonstrated on a typical French Distribution Network including a surrounding ICT network.