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Equivalent capacity and its application to bandwidth allocation in high-speed networks

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3 Author(s)
R. Guerin ; IBM Thomas J. Watson Res. Center, Yorktown Heights, NY, USA ; H. Ahmadi ; M. Naghshineh

The authors propose a computationally simple approximate expression for the equivalent capacity or bandwidth requirement of both individual and multiplexed connections, based on their statistical characteristics and the desired grade-of-service (GOS). The purpose of such an expression is to provide a unified metric to represent the effective bandwidth used by connections and the corresponding effective load of network links. These link metrics can then be used for efficient bandwidth management, routing, and call control procedures aimed at optimizing network usage. While the methodology proposed can provide an exact approach to the computation of the equivalent capacity, the associated complexity makes it infeasible for real-time network traffic control applications. Hence, an approximation is required. The validity of the approximation developed is verified by comparison to both exact computations and simulation results

Published in:

IEEE Journal on Selected Areas in Communications  (Volume:9 ,  Issue: 7 )