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Adaptive QoS Management in Dynamically Reconfigurable Real-Time Databases
Linköping University, Department of Computer and Information Science.
Linköping University, Department of Computer and Information Science.
2005 (Swedish)Independent thesis Basic level (professional degree)Student thesisAlternative title
Adaptive QoS Management in Dynamically Reconfigurable Real-Time Databases (English)
Abstract [en]

During the last years the need for real-time database services has increased due to the growing number of data-intensive applications needing to enforce real-time constraints. The COMponent-based Embedded real-Time database (COMET) is a real-time database developed to meet these demands. COMET is developed using the AspeCtual COmponent-based Real-time system Development (ACCORD) design method, and consists of a number of components and aspects, which can be composed into a number of different configurations depending on system demands, e.g., Quality of Service (QoS) management can be used in unpredictable environments.

In embedded systems with requirementson high up-time it may not be possible to temporarily shut down the system for reconfiguration. Instead it is desirable to enable dynamic reconfiguration of the system, exchanging components during run-time. This in turn sets demands on the feedback control of the system to adjust to these new conditions, since a new time variant system has been created.

This thesis project implements improvements in COMET to create a more stable database suitable for further development. A mechanism for dynamic reconfiguration of COMET is implemented, thus, enabling components and aspects to be swapped during run-time. Adaptive feedback control algorithms are also implemented in order to better adjust to workload variations and database reconfiguration.

Place, publisher, year, edition, pages
Institutionen för datavetenskap , 2005.
Keyword [en]
Datalogi, real-time databases, dynamic reconfiguration, quality of service, component-based software development, aspect-oriented software development, adaptive feedback control
Keyword [sv]
Datalogi
National Category
Computer Science
Identifiers
URN: urn:nbn:se:liu:diva-2800ISRN: LITH-IDA-EX--05/014--SEOAI: oai:DiVA.org:liu-2800DiVA: diva2:20142
Uppsok
teknik
Available from: 2005-05-10 Created: 2005-05-10

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CiteExportLink to record
Permanent link

Direct link
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf