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There has been an increasing number of network deployments that provide dedicated connections through on-demand and in-advance scheduling in support of high- performance applications. We describe algorithms for scheduling and path computations needed for dedicated bandwidth connections for fixed-slot, highest available bandwidth in a given slot, first available slot, and all-available slots computations. These algorithms for bandwidth scheduling are based on extending the classical breadth-first search, Dijkstra, and Bellman-Ford algorithms. We describe a bandwidth management system for UltraScience Net that incorporates implementations of these algorithms.
Date of Conference: 22-28 April 2007