Dynamic context-aware and limited resources-aware service adaptation for pervasive computing

  • Authors:

  • Moeiz Miraoui;Chakib Tadj;Jaouhar Fattahi;Chokri Ben Amar

  • Affiliations:

  • LATIS Laboratory, École de Technologie Supérieure, Université du Québec, Montréal, QC, Canada;LATIS Laboratory, École de Technologie Supérieure, Université du Québec, Montréal, QC, Canada;LSFM Laboratory, Université Laval, Québec City, QC, Canada;REGIM Laboratory, École Nationale d'Ingénieurs de Sfax, Université de Sfax, Sfax, Tunisia

  • Venue:
  • Advances in Software Engineering
  • Year:
  • 2011

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Abstract

A pervasive computing system (PCS) requires that devices be context aware in order to provide proactively adapted services according to the current context. Because of the highly dynamic environment of a PCS, the service adaptation task must be performed during device operation. Most of the proposed approaches do not deal with the problem in depth, because they are either not really context aware or the problem itself is not thought to be dynamic. Devices in a PCS are generally hand-held, that is, they have limited resources, and so, in the effort to make them more reliable, the service adaptation must take into account this constraint. In this paper, we propose a dynamic service adaptation approach for a device operating in a PCS that is both context aware and limited resources aware. The approach is then modeled using colored Petri Nets and simulated using the CPN Tools, an important step toward its validation.