A roadmap towards sustainable self-aware service systems

  • Authors:
  • Schahram Dustdar;Christoph Dorn;Fei Li;Luciano Baresi;Giacomo Cabri;Cesare Pautasso;Franco Zambonelli

  • Affiliations:
  • Vienna University of Technology, Vienna, Austria;Vienna University of Technology, Vienna, Austria;Vienna University of Technology, Vienna, Austria;Politecnico di Milano, Milano, Italy;Università di Modena e Reggio Emilia, Modena, Italy;University of Lugano, Lugano, Switzerland;Università di Modena e Reggio Emilia, Reggio Emilia, Italy

  • Venue:
  • Proceedings of the 2010 ICSE Workshop on Software Engineering for Adaptive and Self-Managing Systems
  • Year:
  • 2010

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Abstract

Self-awareness and self-adaptation have become primary concerns in large-scale systems as they have become too complex to be managed by human administrators alone, but rather require a new blend of coordination mechanisms between people and software services. This paper presents a roadmap to effective and efficient system adaptation through coupling self-awareness of global-level goals with sustainability constraints. Sustainability of large-scale systems challenges self-adaptation approaches by its intrinsic characters of global and long-lasting effects. We introduce five levels of awareness: (i) event-awareness, (ii) situation-awareness, (iii) adaptability awareness, (iv) goal-awareness, and (v) future-awareness. Within each level we introduce applicable principles and subsequently outline necessary models, algorithms, and protocols. The approach puts special focus on the interdependencies of human and service elements.