Abstract
In this paper the problem of Call Admission Control is considered for leaky bucket constrained sessions with deterministic service guarantees (zero loss and finite delay bound), served by a Generalized Processor Sharing scheduler at a single node in the presence of best effort traffic. Based on an optimization process a CAC algorithm capable of determining the (unique) optimal solution is derived. The derived algorithm is applicable, under slight modification, in a system where the best effort traffic is absent and capable of guaranteeing that a solution to the CAC problem does not exist, if not found. The provided numerical results indicate that the presented algorithm can achieve, under certain conditions, a significant improvement on bandwidth utilization compared to a (deterministic) effective bandwidth based CAC scheme.
This work has been supported in part by the G.S.R.D. of Greece under grant PENED99 (99ED 92) and the IST Program of the EU IST-1999-10160.
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Panagakis, A., Stavrakakis, I. (2001). Optimal Call Admission Control under Generalized Processor Sharing Scheduling. In: Wolf, L., Hutchison, D., Steinmetz, R. (eds) Quality of Service — IWQoS 2001. IWQoS 2001. Lecture Notes in Computer Science, vol 2092. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45512-4_32
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DOI: https://doi.org/10.1007/3-540-45512-4_32
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