Abstract
In this paper, we propose an intelligent multi-agent Quality of Service control architecture for the delivery and the control of MPEG-encoded applications over ATM best effort UBR+ service. The designed architecture relies on two components: an efficient video-oriented switch scheduling strategy with an adaptive discarding mechanism, and a multi-agent system based on rules and policies for global network resource management and dynamic switch parameters control. The newly presented cell elimination scheme adaptively and selectively adjusts discard level to switch buffer occupancy, video cell payload types and forward error correction drop tolerance parameter. To simplify its management and improve its performance, automatic and dynamic switch control parameters regulation (e.g. buffer thresholds, drop tolerance,…) are provided by a set of distributed and cooperative intelligent agents. The aim of this automated QoS control architecture is twofold. Firstly, ensuring a graceful picture quality degradation by minimizing cell loss probability for critical video data while guaranteeing a bounded end-to-end cell transfer delay. Secondly, optimizing the network effective throughput by reducing the transmission of non useful video data.
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© 1998 IFIP
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Mehaoua, A., Iraqi, Y., Ghlamallah, A. (1998). An Intelligent Multi-Agent Architecture for Dynamic Regulation of ATM Congestion Control Parameters. In: Boutaba, R., Hafid, A. (eds) Management of Multimedia Networks and Services. IFIP Advances in Information and Communication Technology. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-35318-0_13
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DOI: https://doi.org/10.1007/978-0-387-35318-0_13
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-5041-2879-7
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