Vertical and horizontal integration towards collective adaptive system: a visionary approach

  • Authors:
  • Liang Guang;Ethiopia Nigussie;Juha Plosila;Hannu Tenhunen

  • Affiliations:
  • University of Turku, Finland;University of Turku, Finland;University of Turku, Finland;University of Turku, Finland

  • Venue:
  • Proceedings of the 2012 ACM Conference on Ubiquitous Computing
  • Year:
  • 2012

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Abstract

Hybrid multi-domain computing systems are emerging. While the context-aware self-adaptive system models are under intensive research in individual computing domains, their integration into a collective adaptive system still remains a major challenge. This position paper visions a meet-in-the-middle approach, where horizontal integration is applied to sub-system models extracted from vertical integration. The integration relies on orthogonal behavior and execution models respectively capturing the functional and non-functional features of sub-systems. The construction towards guaranteed services can be achieved with composition of static (worst-case) execution models, while best-effort services can be constructed with statistical models. Given that each computing domain has, to some extent, formulated its own design flow of context-aware systems, the envisaged meet-in-the-middle integration approach maximizes the reuse of existing models and platforms, thus is promising for the highly-complex system design process.