Grooming Multicast Traffic in Flexible Optical Wavelength Division Multiplexing WDM Networks

摘要

There is provided a distance-adaptive and fragmentation-aware all-optical traffic grooming (DFG) method, which addresses the all-optical traffic grooming problem while considering the transmission reach constraints. The DFG procedure provisions traffic demands in optical channels such that the spectrum requires for guard bands is minimized. The DFG procedure provisions optical channels such that network fragmentation is minimized while ensuring the transmission reach constrains over flexible-grid WDM networks.

主权项

1. A computer implemented method for performing all optical traffic grooming in an optical network, comprising:
providing distance-adaptive and fragmentation-aware all-optical traffic grooming that enables all-optical traffic grooming responsive to provisioning of traffic demands in optical channels such that the spectrum required for guard bands is minimized, such that network fragmentation is minimized while ensuring transmission limits over flexible-grid wavelength0-division multiplexed WDM networks are reached, the providing comprising: routing a groomed channel, selecting a modulation format for the groomed channel, selecting traffic demands to be aggregated in the groomed channel; and determining a size of the groomed channel to avoid spectral fragmentation.