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Performance evaluation of multi-rate streaming traffic by quasi-stationary modelling. (English)
Núñez-Queija, Rudesindo (ed.) et al., Network control and optimization. Third Euro-NF conference, NET-COOP 2009, Eindhoven, The Netherlands, November 23‒25, 2009. Proceedings. Berlin: Springer (ISBN 978-3-642-10405-3/pbk). Lecture Notes in Computer Science 5894, 30-44 (2009).
Summary: A quasi-stationary approach to evaluate streaming traffic performance was recently proposed, which combines in a simple way the traffic variations at flow and packet time-scales. The present paper elaborates on it, by specifically focusing on the multi-class/multi-rate aspects of the model. A first original contribution is the theoretical description of flow peak rates in terms of a continuous distribution. Then, a set of simulations is reported which shows in some simple cases, e.g., a multiplex of constant bit rate flow classes, the suitability and efficiency of the approach. Finally, a preliminary trace-driven simulation experiment, although not fully satisfactory, shows some need for explicitly taking into account the flow peak rates in performance evaluation.
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