Flexible architectures for optical transport nodes and networks

  title={Flexible architectures for optical transport nodes and networks},
  author={Steven Gringeri and Bert Basch and Vishnu Shukla and Roman Egorov and Tiejun Xia},
  journal={IEEE Communications Magazine},
Flexibility to support mesh topologies, dynamic capacity allocation, and automated network control and light path setup are key elements in the design of next-generation optical transport networks. To realize these capabilities, reconfigurable optical add/drop multiplexers with dynamic add/drop structures, embedded control planes, and lightpath characterization are required. This article presents the architectures and various ROADM implementations including colorless, directionless, and… CONTINUE READING
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