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Performance Evaluation
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Computer Networks: The International Journal of Computer and Telecommunications Networking - Special issue: Advances in modeling and engineering of Longe-Range dependent traffic
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RTSS '01 Proceedings of the 22nd IEEE Real-Time Systems Symposium
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ECRTS '06 Proceedings of the 18th Euromicro Conference on Real-Time Systems
Long-Range Dependence at the Disk Drive Level
QEST '06 Proceedings of the 3rd international conference on the Quantitative Evaluation of Systems
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Performance Evaluation
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IEEE Journal on Selected Areas in Communications
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We describe an efficient and accurate approximation method for calculating the bandwidth that should be allocated on each link along the path of a point-to-point Multiprotocol Label Switching connection, so that the end-to-end delay D is less than or equal to a given value T with a probability γ, that is, P(D≤T)=γ. We model a connection by a tandem queuing network of infinite capacity queues. The arrival process of packets to the connection is assumed to be bursty and correlated and it is depicted by a two-stage Markov-Modulated Poisson Process. The service times are exponentially distributed. The proposed method uses only the first queue of the tandem queuing network to construct an upper and lower bound of the required bandwidth so that P(D≤T)=γ. Subsequently, we estimate the required bandwidth using a simple interpolation function between the two bounds. Extensive comparisons with simulation showed that the results obtained have an average relative error of 1.25%. Copyright © 2011 John Wiley & Sons, Ltd.