Abstract
While the IntServ solution to Internet QoS can achieve a strong service model that guarantees flow throughputs and loss rates, it places excessive burdens on high-speed core routers to signal, schedule, and manage state for individual flows. Alternatively, the DiffServ solution achieves scalability via aggregate control, yet cannot ensure a particular QoS to individual flows. To simultaneously achieve scalability and a strong service model, we have designed and implemented a novel architecture and admission control algorithm termed Egress Admission Control. In our approach, the available service on a network path is passively monitored, and admission control is performed only at egress nodes, incorporating the effects of cross trafic with implicit measurements rather than with explicit signaling. In this paper, we describe our implementation of the scheme on a network of prototype routers enhanced with ingress-egress path monitoring and edge admission control. We report the results of testbed experiments and demonstrate the feasibility of an edge-based architecture for providing IntServ-like services in a scalable way.
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© 2001 Springer-Verlag Berlin Heidelberg
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Schlembach, J., Skoe, A., Yuan, P., Knightly, E. (2001). Design and Implementation of Scalable Admission Control. In: Marsan, M.A., Bianco, A. (eds) Quality of Service in Multiservice IP Networks. QoS-IP 2001. Lecture Notes in Computer Science, vol 1989. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-44554-4_1
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DOI: https://doi.org/10.1007/3-540-44554-4_1
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Online ISBN: 978-3-540-44554-8
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