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Finite Horizon QoS Prediction of Reconfigurable Firm Real-Time Systems

Amirijoo, Mehdi; Tesanovic, Aleksandra; Andersson, Torgny; Hansson, Jorgen; Son, Sang
Format
Report
Author
Amirijoo, Mehdi
Tesanovic, Aleksandra
Andersson, Torgny
Hansson, Jorgen
Son, Sang
Abstract
Updating real-time system software is often needed in re- sponse to errors and added requirements to the software. Stopping a running application, updating the software, and then restarting the application is not suitable for systems with high availability requirements. On the other hand, dy- namically updating a system may increase the execution time of the tasks, thus, degrading the performance of the system. Degradation is not acceptable for performance- critical real-time systems as there are strict requirements on the performance. In this paper we present an approach that enables dynamic reconfiguration of a real-time system, where the performance of the system during a reconfigu- ration satisfies a given worst-case performance specifica- tion. Evaluation shows that the presented method is efficient in guaranteeing the worst-case performance of dynamically reconfigurable firm real-time systems.
Language
English
Date Received
2012-10-29
Published
University of Virginia, Department of Computer Science, 2006
Published Date
2006
Collection
Libra Open Repository
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