A Process-Oriented Approach for the Optimal Satisficing of Non-Functional Requirements

  • Christopher Burgess
  • Aneesh Krishna
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5543)


In an ever more competitive world, the need for software systems to meet specific quality characteristics becomes increasingly apparent. These quality characteristics, or non-functional requirements, are often contradictory and ambiguous, making them difficult to manage during software development processes. This paper presents a modification of the NFR framework that facilitates the automated discovery of optimal system designs for the satisfaction of non-functional requirements. Just as with the NFR framework, this method can be used at any stage during the software development process in order to aid design decisions. The proposed method introduces the capacity to incorporate both qualitative and quantitative non-functional requirements, as well as the potential to include various cost factors into the optimisation process.


Requirements engineering non-functional requirements NFR framework softgoal interdependency ruleset graphs 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Christopher Burgess
    • 1
  • Aneesh Krishna
    • 1
  1. 1.School of Computer Science and Software EngineeringUniversity of WollongongAustralia

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