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Empowering Configurable QoS Management in Real-Time Systems
Linköping University, The Institute of Technology. Linköping University, Department of Computer and Information Science, RTSLAB - Real-Time Systems Laboratory.
Linköping University, The Institute of Technology. Linköping University, Department of Computer and Information Science, RTSLAB - Real-Time Systems Laboratory.
Linköping University, The Institute of Technology. Linköping University, Department of Computer and Information Science, RTSLAB - Real-Time Systems Laboratory.
2005 (English)In: Proceedings of the Fourth ACM SIG International Conference on Aspect-Oriented Software Development AOSD05,2005, USA: ACM Press , 2005Conference paper, Published paper (Refereed)
Abstract [en]

Current Quality of Service (QoS) management methods in real-time systems using feedback control loop lack support for configurability and reusability as they cannot be configured for a target application or reused across different applications. In this paper we present a method for developing reconfigurable feedback-based QoS management for real-time systems, denoted Re-QoS. By combining component-based design with aspect-oriented software development Re-QoS enables successful handling of crosscutting nature of QoS policies, as well as evolutionary design of real-time systems and QoS management architectures. Re-QoS defines a QoS aspect package, which is an implementation of a set of aspects and components that provide a number of different QoS policies. By adding a QoS aspect package to an existing system without QoS guarantees, we are able to use the same system in unpredictable environments where performance guarantees are essential. Furthermore, by exchanging aspects within the QoS aspect package one can efficiently tailor the QoS management of a real-time system based on the application requirements. We demonstrate the usefulness of the concept on a case study of an embedded real-time database system, called COMET. Using the COMET example we show how a real-time database system can be adapted to be used in different applications with distinct QoS needs.

Place, publisher, year, edition, pages
USA: ACM Press , 2005.
Keyword [en]
real-time systems, aspects, components, quality of service, embedded database
National Category
Computer Science
Identifiers
URN: urn:nbn:se:liu:diva-24450Local ID: 6561OAI: oai:DiVA.org:liu-24450DiVA: diva2:244769
Available from: 2009-10-07 Created: 2009-10-07

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http://www.ida.liu.se/~rtslab/publications/2005/tesanovic05Re-QoS.pdf

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Tesanovic, AleksandraAmirijoo, MehdiHansson, Jörgen

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