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Appears in Collections:Computing Science and Mathematics Conference Papers and Proceedings
Peer Review Status: Refereed
Author(s): Turner, Kenneth J
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Title: Formalising Graphical Service Descriptions using SDL
Editor(s): Reed, Rick
Reed, Jeanne
Citation: Turner KJ (2003) Formalising Graphical Service Descriptions using SDL In: Reed Rick, Reed Jeanne (ed.) SDL 2003: System Design: 11th International SDL Forum, Stuttgart, Germany 2003, Proceedings, Berlin: Springer-Verlag. 11th International SDL Forum, 1.7.2003 - 4.7.2003, Stuttgart, pp. 183-202.
Issue Date: Jul-2003
Series/Report no.: Lecture Notes in Computer Science 2708, volume 2708
Conference Name: 11th International SDL Forum
Conference Dates: 2003-07-01T00:00:00Z
Conference Location: Stuttgart
Abstract: It is convenient to describe telecomms services using a graphical notation that is accessible to non-specialists. However, the notation should also have a formal interpretation for rigorous analysis. CRESS (Chisel Representation Employing Systematic Specification) has been developed for this purpose. A brief overview of CRESS is given. It is explained how features (additional services) can be defined in a modular fashion, and automatically combined with a base service. Brief case studies illustrate how the approach has been used to describe services in the IN (Intelligent Network), SIP (Session Initiation Protocol), and IVR (Interactive Voice Response). Finally, it is shown how CRESS diagrams are translated into SDL for automated simulation, validation and implementation.
Status: Post-print (author final draft post-refereeing)
Rights: Published by Springer-Verlag. The original publication is available at

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