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In the Hierarchical Path Computation Element (H-PCE) architecture, an optimum end-to-end path is computed
using a hierarchical relationship among PCEs. An H-PCE-based path computation procedure provides low
network blocking probability meanwhile it results on a great amount of control overhead messages. In this paper
we propose a hybrid path computation procedure based on the H-PCE architecture and the Backward Recursive
PCE-Based Computation (BRPC). Extensive simulation results show that the proposed approach performs better
than H-PCE in terms of network control overhead.
CitationHernández-Sola, G., Perello, J., Agraz, F., Spadaro, S., Comellas, J., Junyent, G. Scalable hybrid path computation procedure for PCE-based. A: International Conference on Transparent Optical Networks. "Proceedings of the 13th International Conference on Transparent Optical Networks, 2011". Stockholm: 2011, p. 1-4.
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