| Article |
| Type of Publication |
| Cooperative QoS Management for Multimedia
Applications |
| Title |
|
Abdelhakim Hafid
Hermann de Meer
|
| Authors |
| Proc. of the IEEE Int. Conf. on Multimedia Computing
and Systems (ICMCS'97), pp.
303-310, 1997 |
| Published in |
| 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. |
| Abstract |
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