Architectural mismatch tolerance

  • Authors:

  • Rogério De Lemos;Cristina Gacek;Alexander Romanovsky

  • Affiliations:

  • Computing Laboratory, University of Kent at Canterbury, UK;School of Computing Science, University of Newcastle upon Tyne, UK;School of Computing Science, University of Newcastle upon Tyne, UK

  • Venue:
  • Architecting dependable systems
  • Year:
  • 2003

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Abstract

The integrity of complex software systems built from existing components is becoming more dependent on the integrity of the mechanisms used to interconnect these components and, in particular, on the ability of these mechanisms to cope with architectural mismatches that might exist between components. There is a need to detect and handle (i.e. to tolerate) architectural mismatches during runtime because in the majority of practical situations it is impossible to localize and correct all such mismatches during development time. When developing complex software systems, the problem is not only to identify the appropriate components, but also to make sure that these components are interconnected in a way that allows mismatches to be tolerated. The resulting architectural solution should be a system based on the existing components, which are independent in their nature, but are able to interact in well-understood ways. To find such a solution we apply general principles of fault tolerance to dealing with architectural mismatches.