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Improving the demand-priority protocol

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2 Author(s)
J. Ottensmeyer ; Paderborn Univ., Germany ; P. Martini

The demand-priority protocol currently in the process of standardization by IEEE 802.12 aims at supporting interactive multimedia applications by providing a low latency service for high-priority traffic. This goal may be achieved in case of large frames and/or small distances. Otherwise, improvements are required. This paper starts with a brief description of the basic characteristics of the network topology and the medium access control protocol. Then, it presents simulation results for normal and high priority traffic in scenarios with variable bit rate high priority loads for networks of different sizes. It reveals the drawbacks of the demand-priority protocol and clearly shows the advantages of using service strategies different from those included in the current version of the draft standard

Published in:

Computer Communications and Networks, 1995. Proceedings., Fourth International Conference on

Date of Conference:

20-23 Sep 1995