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Two important problems arise in WDM network planning: network design to minimize the operation cost and traffic grooming to maximize the usage of the high capacity channels. In practice, however, these two problems are usually simultaneously tackled, denoted as the network design problem with traffic grooming (NDG). In this paper, a mathematical formulation of the NDG problem is first presented. Then,...
This paper studies the traffic grooming and routing problem with simple path constraint (denoted as GR) in WDM mesh networks. To the best of our knowledge, the simple path constraint has not been studied in previous literature. However, this non-trivial constraint is essential in practice and it makes the traffic grooming and routing problem become much more challenging due to the introduction of...
Two important problems arise in WDM network planning: network design to minimize the construction cost and traffic grooming to maximize the usage of high capacity channels. They are usually settled simultaneously and are denoted as the network design problem with traffic grooming (NDG). This paper proposes an approach based on Greedy Randomized Adaptive Search Procedure (GRASP) to solve the NDG problem...
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