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We demonstrate novel re-optimization design techniques for realizing agile and seamless service migration with minimum connection disruptions. We also show the effectiveness of our integer linear programming based approach through network simulations.
Simulations of shared mesh restoration in a backbone network supporting rapid provisioning show up to 27% fewer regenerators than dedicated protection, plus ~40% increase in capacity. Regenerator site concentration and minimum-regenerator routing provide best results.
We have studied the resource requirements and capacity of a continental-scale backbone network supporting shared mesh restoration (SMR) and service velocity (a rapid provisioning method). Network simulations of wavelength routing by colorless, nondirectional reconfigurable optical add/drop multiplexers (CN-ROADMs) show that performance depends on the routing scheme (minimum distance or minimum regenerator)...
We study the impact of partitioning client-side fiber cross-connects on the blocking performance of colorless, non-directional ROADM based dynamic optical networks. Simulations show that smaller fiber cross-connects (16×16, 48×48) can achieve low blocking.
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