Using constraint-based optimization and variability to support continuous self-adaptation

  • Authors:
  • Carlos Parra;Daniel Romero;Sébastien Mosser;Romain Rouvoy;Laurence Duchien;Lionel Seinturier

  • Affiliations:
  • Université de Lille, INRIA Lille-Nord Europe, France;Université de Lille, INRIA Lille-Nord Europe, France;Université de Lille, INRIA Lille-Nord Europe, France;Université de Lille, INRIA Lille-Nord Europe, France;Université de Lille, INRIA Lille-Nord Europe, France;Université de Lille, INRIA Lille-Nord Europe, France

  • Venue:
  • Proceedings of the 27th Annual ACM Symposium on Applied Computing
  • Year:
  • 2012

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Abstract

Self-adaptation is one of the upcoming paradigms that accurately tackles nowadays systems complexity. In this context, Dynamic Software Product Lines model the intrinsic variability of a family of systems, and dynamically support their reconfiguration according to updated context. However, when several configurations are available for the same context, making a decision about the right one is a hard challenge: further dimensions such as QoS are needed to enrich the decision making process. In this paper, we propose to combine variability with Constraint-Satisfaction Problem techniques to face this challenge. The approach is illustrated and validated with a context-driven system used to support the control of a home through mobile devices.