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Keywords:

  • network resilience;
  • network reliability;
  • series-parallel networks

Abstract

Network resilience measures the average two-terminal reliability (connectedness) of a network. Multiterminal resilience extends this measure to any k vertices; it is the average k-terminal reliability of a network. This generalizes two well-studied network connectedness measures. Calculating multiterminal resilience on general networks encompasses all-terminal reliability and thus is NP-hard. Multiterminal resilience is examined on undirected series-parallel networks, and an efficient (polynomial time) algorithm is developed for calculating the resilience for every k. Applications in mobile ad hoc and sensor networks are outlined. © 2007 Wiley Periodicals, Inc. NETWORKS, Vol. 50(2), 164–172 2007