Abstract
In this paper a novel scheme for the dynamic allocation of bandwidth at the virtual path level in B-ISDNs is presented. A fluid flow model is developed to describe the time varying mean behaviour of a virtual path and serves as a state variable model. A multilevel optimal control theoretic approach is used in conjunction with the state model to derive a coordinated decentralised algorithm for virtual path bandwidth allocation. The integration of the virtual path bandwidth controller into a hierarchically organised network control scheme is incorporated in the problem formulation. The performance of the proposed scheme is evaluated using simulation.
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