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We propose an ILP model and an efficient rescaled failure-probability-aware algorithm (RFPA) to minimize spectral resource consumption. Simulation results show that, compared to a traditional algorithm, both ILP model and RFPA achieve higher spectrum efficiency.
An integrated hierarchical PCE model is proposed to relieve the path selection policy constraint by the parent PCE in the hierarchical PCE (H-PCE) framework. The parent and child PCEs are unified by routing at a higher level in this new model, where each PCE maintains the summarized information of all the other domains apart from its interior link states in the Traffic Engineering Database (TED)....
A dual routing engine-based routing scheme for large scale optical networks is proposed in this paper. An interpreter-based modeling of the group engine is discussed and a preliminary routing strategy is designed with consideration of scalability and flexibility.
Proposed in this paper is a dual routing engine-based routing architecture for multi-domain multi-layer networks. An interpreter-based modeling of the group engine is discussed and a preliminary routing strategy is designed with consideration of scalability and flexibility.
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