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Dynamic QOS control based on the QOS-Ticket model

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2 Author(s)
Kawachiya, K. ; Tokyo Res. Lab., IBM Res., Kanagawa, Japan ; Tokuda, H.

The most notable characteristic of continuous-media data is the existence of timing constraints. To handle such data appropriately some system support for resource management and QOS control is indispensable. For this reason, we are proposing a QOS-Ticker model, which combines resource reservation and adaptation. The QOS-Ticket model has been implemented on RT-Mach. In this prototype, a new thread mechanism named Q-Thread is provided. A Q-Thread allows a user to specify the tolerable range of the period and computation time for periodic invocations, and makes it easy to write a continuous-media session that can control the QOS dynamically. We show the effectiveness of the QOS-Ticket model based on a dynamic QOS-control experiment with our prototype

Published in:

Multimedia Computing and Systems, 1996., Proceedings of the Third IEEE International Conference on

Date of Conference:

17-23 Jun 1996