Towards trace semantics for WS-CDL with alignments

  • Authors:
  • Yahui Lu;Li Zhang;Jiaguang Sun

  • Affiliations:
  • Tsinghua University, Beijing, P.R.China;Tsinghua University, Beijing, P.R.China;Tsinghua University, Beijing, P.R.China

  • Venue:
  • Proceedings of the 2008 ACM symposium on Applied computing
  • Year:
  • 2008

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Abstract

WS-CDL (Web Service Choreography Description Language) provides a global view to describe the interactive behaviors between multiple participants of Web Services. Although the alignment property plays an important role in the WS-CDL specification, little attention has been paid on the research of alignments. In this paper, we aim at exploring the essence of alignment property and providing formal semantics for WS-CDL with alignments. To achieve this goal, we first define a formal language CDLa, which includes the basic components in WS-CDL. We then discuss the influence of alignment property to the semantics of these components and propose five possible local action based trace semantics for CDLa.