Providing quality of service for disks I/O sub-system with...

Details Providing quality of service for disks I/O sub-system with... Providing quality of service for disks I/O sub-system with...

2005-03-22

2005-03-22

Nguyen, Huy (Department: 2616)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000

Reexamination Certificate

active

06871011

ABSTRACT:
The disk scheduling algorithms try to service a request with lower priority and strict deadline only if serving this request is not going to violate the deadline constraints of a higher priority request. One of the algorithms uses a single queue to hold all the requests regardless of their priority. The single queue is reorganized after the arrival of a new request according to the order requests would be serviced. A second algorithm uses multiple queues. Each queue holds only requests with the same priority, and the requests in each priority queue are sorted according to their deadlines. The decision of servicing a request is made at scheduling time.

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I. Kamel, T. Niranjan, S. Ghandeharizedah, “A Novel Deadline Driven Disk Scheduling Algorithm for Multi-Priority Multimedia Objects”, Data Engineering, 2000. Proceeedings. 16th International Conference on San Diego, CA, USA, Feb. 29-Mar. 3, 2000.

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