A Language for Self-Adaptive System Requirements

  • Authors:
  • Jon Whittle;Pete Sawyer;Nelly Bencomo;Betty H. C. Cheng

  • Affiliations:
  • -;-;-;-

  • Venue:
  • SOCCER '08 Proceedings of the 2008 International Workshop on Service-Oriented Computing Consequences for Engineering Requirements
  • Year:
  • 2008

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Abstract

Self-adaptive systems have the capability to autonomously modify their behaviour at run-time in response to changes in their environment. Such systems are now commonly built in domains as diverse as enterprise computing, automotive control systems, and environmental monitoring systems. To date, however, there has been limited attention paid to how to engineer requirements for such systems. As a result, self-adaptivity is often constructed in an ad-hoc manner. In this paper, we argue that a more rigorous treatment of requirements relating to self-adaptivity is needed and that, in particular, requirements languages for self-adaptive systems should include explicit constructs for specifying and dealing with the uncertainty inherent in self-adaptive systems. We present some initial thoughts on a new requirements language for self-adaptive systems and illustrate it using examples from the services domain.