Some open issues in multi-domain/multi-operator/multi-granular ASON/GMPLS networks
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Large optical backbone networks may be composed of several domains, each one controlled by different administrators/operators. Besides, the bandwidth granularity of these domains may be different. Label Switched Paths (LSPs) provisioning in multi-domain/multi-operators/multi-layer network scenarios is a challenging problem actually, which has to be properly faced. In this paper, some open issues related to end-to-end bandwidth provisioning are discussed. Among others, the grooming problem in multi-layer/multi-domain optical networks and the performance degradation of recovery mechanisms due to limited inter-domain knowledge are analyzed.
CitacióSpadaro, S. [et al.]. Some open issues in multi-domain/multi-operator/multi-granular ASON/GMPLS networks. A: 11th International Conference on Transparent Optical Networks. "11th International Conference on Transparent Optical Networks". Island of Sao Miguel, Azores: IEEE, 2009, p. 1-4.