Structured communication-centred programming for web services

  • Authors:
  • Marco Carbone;Kohei Honda;Nobuko Yoshida

  • Affiliations:
  • Department of Computing, Imperial College London;Department of Computer Science, Queen Mary University of London;Department of Computing, Imperial College London

  • Venue:
  • ESOP'07 Proceedings of the 16th European conference on Programming
  • Year:
  • 2007

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Abstract

This paper relates two different paradigms of descriptions of communication behaviour, one focussing on global message flows and another on end-point behaviours, using formal calculi based on session types. The global calculus, which originates from a web service description language (W3C WS-CDL), describes an interaction scenario from a vantage viewpoint; the end-point calculus, an applied typed π-calculus, precisely identifies a local behaviour of each participant. We explore a theory of end-point projection, by which we can map a global description to its end-point counterpart preserving types and dynamics. Three principles of well-structured description and the type structures play a fundamental role in the theory.