Scheduling and admission control policy for a continuous media s

Details Scheduling and admission control policy for a continuous media s Scheduling and admission control policy for a continuous media s

1993-11-04

1996-06-18

Ramirez, Ellis B.

Boots, shoes, and leggings

3642818, 395650, G06F 1520

Patent

active

055285139

ABSTRACT:
A scheduler with admissions control in a continuous media file server is presented. The scheduler supports multiple classes of tasks with diverse performance requirements. The scheduler is based on a combination of rate-monotonic and weighted round-robin scheduling schemes. Scheduling is accomplished in a hierarchical manner. Isochronous tasks have the highest priority and are scheduled first followed by real-time and general-purpose tasks. Isochronous tasks run periodically and are invoked by a timer interrupt set for each task. After scheduling the isochronous tasks, the scheduler alternates between the real-time tasks and the general-purpose tasks using a weighted round-robin scheme.

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