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Failures in communication networks may arise from natural catastrophes, component wear out, or action of intentional enemies. A communication network can be modeled by an undirected graph (or digraph) G= (V,E), where V and E are the set of nodes and edges (links) of G, respectively. Moreover the failure probabilities of the network components are represented by assigning probabilities of failure to the nodes and/or edges (links) of its underlying graph (digraph). In this paper, the authors will discuss a reliability model called the edge reliability-model, and they present a clear description of its applicability to assess performance objectives of real communication networks such as mesh networks.
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