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Scalable QoS guaranteed communication services for real-time applications

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5 Author(s)
Byung-Kyu Choi ; Dept. of Comput. Sci., Texas A&M Univ., College Station, TX, USA ; Dong Xuan ; R. Bettati ; Wei Zhao
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We propose an approach to flow-unaware admission control which is a combination with an aggregate packet forwarding scheme, improving scalability of networks while guaranteeing end-to-end deadlines for real-time applications. We achieve this by using an off-line delay computation and verification step, which allows to reduce the overhead at admission control while keeping admission probability and resource utilization high. Our evaluation data show that our system's admission probabilities are very close to those of significantly more expensive flow-aware approaches. At the same time, the admission control overhead during flow establishment is very low. Our results therefore support the claim from the DS architecture literature that scalability can be achieved through flow aggregation without sacrificing resource utilization and with significant reduction in run time overhead

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Distributed Computing Systems, 2000. Proceedings. 20th International Conference on

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