WDM Loop-back Recovery in Mesh Networks

  title={WDM Loop-back Recovery in Mesh Networks},
  author={Muriel M{\'e}dard and Steven G. Finn and Richard A. Barry},
Current means of providing loop-back recovery, which is widely used in SONET, relies on fiber-based recovery, where a fiber is used to back up another fiber. We present WDM-based loop-back recovery for optical networks where wavelengths are used to back up other wavelengths. We present two new algorithms for performing WDM-based loop-back over optical mesh networks. The first algorithm performs recovery for link failures. We compare its operation with known ways of providing loop-back recovery… CONTINUE READING
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