An evolutionary systems model

  • Authors:

  • T. Millea;J. Edwards;I. Coutts

  • Affiliations:

  • Researching Evolutionary Development Group, Department of Manufacturing Engineering, Loughborough University, Loughborough, Leicestershire LE11 3TU;Researching Evolutionary Development Group, Department of Manufacturing Engineering, Loughborough University, Loughborough, Leicestershire LE11 3TU;Researching Evolutionary Development Group, Department of Manufacturing Engineering, Loughborough University, Loughborough, Leicestershire LE11 3TU

  • Venue:
  • Systems engineering for business process change
  • Year:
  • 2002

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Abstract

Current problems associated with mature computer systems have provided new insight into the software crisis. Lack of flexibility and structural decay of software may be associated with the semantic and dynamic misalignment between software systems and the organisations they are intended to support. This paper introduces a layered model for evolutionary systems which embodies several proposed solutions to correct this misalignment. The fixed point of evolutionary change is taken to be the atomic constants of the domain, rather than an underlying software architecture. The technology beneath, and the business processes above are assumed to be subject to change. Preservation of correctness is supported through domain-oriented changes occurring at the level of specification. Proof of concept research is underway at a leading City of London financial institution.