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Application of Stuck-Free Conformance to Service-Role Composition

  • Fritjof Boger Engelhardtsen
  • Andreas Prinz
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4320)

Abstract

We use SDL and UML 2.0 state machines for behavior modeling of communication control software for telecommunication services. To ensure consistent designs we want to identify when a signal sent is not consumed and when a state machine waits indefinitely for a signal that never arrives. One approach to ensure such consistency is to derive interface contracts for each port from the properties of the state machine and use the contracts to check consistency. In this paper we describe how Calculus for Communicating Systems (CCS) [1] and stuck-free conformance [2] can be used as a formal fundament for this consistency checking. Interface descriptions should be comprehensible without having to learn process algebra. Therefore we introduce a graphical notation for both the port contracts and for the interaction made possible across the interface of two state machines.

Keywords

State Machine Queue Length Design Constraint Transition Graph Process Algebra 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Fritjof Boger Engelhardtsen
    • 1
    • 2
  • Andreas Prinz
    • 1
  1. 1.Faculty of Engineering and Science, Dep. of Information and Communication TechnologyAgder University CollegeGrimstadNorway
  2. 2.Faculty of Information Technology, Mathematics and Electrical Engineering, Dep. of TelematicsNorwegian University of science and technologyTrondheimNorway

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