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This study presents an evaluation of heuristics that reconfigure a multi-layer network logical topology for efficiently accommodating variable traffic patterns. Numerical results show that reconfiguration is useful if the network is not heavily loaded.
For ASON/GMPLS multi-domain networks, three routing models, such as per-domain routing, ASON hierarchical routing, and PCE-based routing, have been being standardized. We compare these three routing models in terms of path-computation capabilities, online path-planning capabilities and inter-domain confidentiality.
We propose a routing strategy for all optical packet network. This algorithm is based on the decomposition of the topology onto two cycles. This strategy provides a bound on the End to End delay.
A new multiobjective genetic algorithm is proposed to jointly provision a WRON and design its logical topology with fault tolerance. The algorithm reduces the congestion and the number of resources employed, and therefore the cost.
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