Interacting services: From specification to execution

  • Authors:

  • Gero Decker;Oliver Kopp;Frank Leymann;Mathias Weske

  • Affiliations:

  • Hasso-Plattner-Institute, University of Potsdam, Potsdam, Germany;Institute of Architecture of Application Systems, University of Stuttgart, Germany;Institute of Architecture of Application Systems, University of Stuttgart, Germany;Hasso-Plattner-Institute, University of Potsdam, Potsdam, Germany

  • Venue:
  • Data & Knowledge Engineering
  • Year:
  • 2009

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Abstract

Interacting services play a key role to realize business process integration among different business partners by means of electronic message exchange. In order to provide seamless integration of these services, the messages exchanged as well as their dependencies must be well-defined. Service choreographies are a means to describe the allowed conversations. This article presents a requirements framework for service choreography languages, along which existing choreography languages are assessed. The requirements framework provides the basis for introducing the language BPEL4Chor, which extends the industry standard WS-BPEL with choreography-specific concepts. A validation is provided and integration with executable service orchestrations is discussed.