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Efficient Call Management in Broadband Networks

By Andrew M. Inggs


Huge increases in switching and transmission capacity coupled with a need to integrate communication services has lead to the development of the asynchronous transfer mode (ATM), a standard for the transport of all telecommunication services over a common network. This thesis describes optimization techniques used to design call admission controls and call routing strategies which optimize the rate of earning revenue in broadband ATM networks carrying multirate tracs. Several optimization techniques are investigated and a new technique called XFG is presented. XFG is a small ecient algorithm for calculating a virtual path connection network (VPCN) that optimizes the rate of earning revenue. The optimal VPCN provides route separation (each origin-destination pair is connected by a dedicated VPC) and service integration (all service classes share a VPC). The thesis presents the theoretical basis of XFG, followed by applications of the algorithm to several test networks. These results ar..

Year: 1999
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