Managing dynamic reconfiguration in component-based systems

  • Authors:
  • Thais Batista;Ackbar Joolia;Geoff Coulson

  • Affiliations:
  • ,Computer Science Department, Federal University of Rio Grande do Norte (UFRN), Natal, RN, Brazil;Computing Department, InfoLab21, Lancaster University, Lancaster, UK;Computing Department, InfoLab21, Lancaster University, Lancaster, UK

  • Venue:
  • EWSA'05 Proceedings of the 2nd European conference on Software Architecture
  • Year:
  • 2005

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Abstract

We propose a meta-framework called ‘Plastik' which i) supports the specification and creation of runtime component-framework-based software systems and ii) facilitates and manages the runtime reconfiguration of such systems while ensuring integrity across changes. The meta-framework is fundamentally an integration of an architecture description language (an extension of ACME/Armani) and a reflective component runtime (OpenCOM). Plastikgenerated component frameworks can be dynamically reconfigured either through programmed changes (which are foreseen at design time and specified at the ADL level); or through ad-hoc changes (which are unforeseen at design time but which are nevertheless constrained by invariants specified at the ADL level). We provide in the paper a case study that illustrates the operation and benefits of Plastik.