Parameter Dependent Performance Specifications of Software Components

  • Heiko Koziolek
  • Jens Happe
  • Steffen Becker
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4214)


Performance predictions based on design documents aim at improving the quality of software architectures. In component-based architectures, it is difficult to specify the performance of individual components, because it depends on the deployment context of a component, which may be unknown to its developers. The way components are used influences the perceived performance, but most performance prediction approaches neglect this influence. In this paper, we present a specification notation based on annotated UML diagrams to explicitly model the influence of parameters on the performance of a software component. The UML specifications are transformed into a stochastical model that allows the prediction of response times as distribution functions. Furthermore, we report on a case study performed on an online store. The results indicate that more accurate predictions could be obtained with the newly introduced specification and that the method was able to support a design decision on the architectural level in our scenario.


Execution Time Performance Prediction Software Architecture Software Component Component Service 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Heiko Koziolek
    • 1
    • 2
  • Jens Happe
    • 1
    • 2
  • Steffen Becker
    • 1
    • 2
  1. 1.Graduate School TrustsoftUniversity of OldenburgGermany
  2. 2.Chair for Software Design and QualityUniversity of KarlsruheGermany

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