J. Kim, K.-C. Ho, and M. Lee (Korea)
MPEG-2, real-time, deadline, scheduling, priority
In this paper, we propse real-time scheduling techniques to effectively allocate the CPU bandwidth to multimedia tasks for MPEG-2 video streams. The paper describes a server-based mechanism for assigning the CPU resource to multimedia tasks modeled as soft real-time tasks. We show how to dynamically control the fraction of the CPU bandwidth allocated to each multimedia task according to the priority. The primary purpose of these techniques is to minimize the mean tardiness of the multimedia tasks. The performance of the proposed scheduling techniques is compared with that of similar mechanisms through simulation experiments.
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