Cooperative QoS Management for Multimedia Applications

Stefan Fischer, Abdelhakim Hafid, Gregor V. Bochmann, Hermann de Meer


Quality of Service (QoS) management becomes more and more important, especially in networks where many applications are competing for a limited number of resources. As these applications become more complex (consider e.g. multiparty multimedia applications), the number of options for QoS management increases, leading to more complex decision processes. In this paper, we propose an approach for cooperative QoS management, where application-oriented QoS agents are distributed throughout the network and the end systems, communicating with each other. This distributed management system tries to guarantee the QoS level negotiated with the users, at the same time optimizing resource usage. The advantages of distributing the management process are (i) an easier and more precise localization of the cause of QoS problems, (ii) better knowledge of local situations, (iii) a lower complexity for a single QoS agent and (iv) an increase in possible actions. We describe management procedures for QoS negotiation, adaptation and renegotiation.

Original languageEnglish
Number of pages8
Publication statusPublished - 01.01.1997
EventProceedings of the 1997 IEEE International Conference on Multimedia Computing and Systems - Ottawa, Canada
Duration: 03.06.199706.06.1997
Conference number: 46571


ConferenceProceedings of the 1997 IEEE International Conference on Multimedia Computing and Systems
Abbreviated titleICMCS 1997


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