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Accession Number:
ADA360937
Title:
The Case For Prediction-based Best-effort Real-time Systems.
Descriptive Note:
Corporate Author:
CARNEGIE-MELLON UNIV PITTSBURGH PA DEPT OF COMPUTER SCIENCE
Report Date:
1999-01-01
Pagination or Media Count:
20.0
Abstract:
We propose a prediction-based best-effort real-time service to support distributed, interactive applications in shared, unreserved computing environments. These applications have timing requirements, but can continue to function when deadlines are missed. In addition, they expose two kinds of adaptability tasks can be run on any host, and their resource demands can be adjusted based on user-perceived quality. After defining this class of applications, we describe two significant examples, an earthquake visualization tool and a GIS map display tool, and show how they could benefit from the service. Finally, we present evidence that the service is feasible in the form of two studies of algorithms for host load prediction and for predictive task mapping.
Distribution Statement:
APPROVED FOR PUBLIC RELEASE