Abstract:Fault detection is critical for all-optical networks (AONs). This paper introduces the concept of monitoring cycle and proposes a fault detection mechanism based on decomposing AONs into a set of cycles (a cycle cover), in which each one is defined as a monitoring cycle. Two cycle-finding algorithms are developed and compared for the proposed fault detection mechanism: heuristic depth first searching (HDFS) and shortest path Eulerian matching (SPEM). The degradation of wavelength utilization and the cardinalit… Show more
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