Requirements modeling and system reconfiguration for self-adaptation of Internetware

  • Authors:
  • Yang Zhuo-Qun;Jin Zhi

  • Affiliations:
  • Chinese Academy of Sciences, Beijing, China;Peking University, Beijing, China

  • Venue:
  • Proceedings of the Fourth Asia-Pacific Symposium on Internetware
  • Year:
  • 2012

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Abstract

Internetware is a new paradigm proposed in recent years, which is defined as a kind of software constructed by a set of autonomous software entities distributed over the Internet. The environment where Internetware operates, including the Internet and other physical condition that the domain should hold, changes unexpectedly and comes with uncertainty. So the self-adaptation issue becomes inevitable in terms of dynamically configuring the Internetware. Here come two basic questions: how can we derive the adaptation problem in Internetware and how can we solve this problem with some adaptation mechanisms? In this paper, we focus on the requirements level for solving this problem and propose to use i* framework for modeling requirements of Internetware and deriving the adaptation problem from the i* models. To solve the adaptation problem, we provide a synergy approach involving i* models and widely accepted self-adaptation process---the MAPE loop, and apply ECA (3-tuple of ) to present the rationale for reconfiguration decisions.