On design principles for realizing adaptive service flows with BPEL

Manfred Reichert, Stefanie Rinderle

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

13 Scopus citations

Abstract

Web service technology offers a promising approach for realizing enterprisewide and cross-organizational business applications. With the Business Process Execution Language for Web Services (BPEL, also known as WS-BPEL or BPEL4WS) a powerful language for the process-oriented composition and orchestration of Web services exists. However, BPEL flow specifications tend to be too complex, and current BPEL engines do not provide the flexibility needed to cover the broad spectrum of business processes we have to deal with in practice. Neither ad-hoc deviations form the pre-specified BPEL schema (e.g., to add or move activities for single flow instances) nor the propagation of BPEL schema changes to a collection of flow instances have been supported by BPEL engines yet. This limits their applicability to only well-structured, rigid service flows. In this paper we address fundamental issues, which arise when enriching BPEL engines with dynamic change capabilities. We focus on the question how such changes can be realized in a correct and consistent manner and which prerequisites must be met in this context. In particular, we restrict BPEL to a reasonable subset of language elements in order to decide on these fundamental questions. By offering flexibility and adaptability in a controlled and reliable way the so promising Web Service technology will broaden its application scope significantly.

Original languageEnglish
Title of host publicationEMISA 2006 - Beitrage des Workshops der GI-Fachgruppe Entwicklungsmethoden fur Informationssysteme und Deren Anwendung
Pages133-146
Number of pages14
StatePublished - 2006
Externally publishedYes
EventWorkshops der GI-Fachgruppe Entwicklungsmethoden fur Informationssysteme und Deren Anwendung - Methoden, Konzepte und Technologien fur die Entwicklung von Dienstbasierten Informationssystemen, EMISA 2006 - Hamburg, Germany
Duration: 17 Oct 200618 Oct 2006

Publication series

NameBeitrage des Workshops der GI-Fachgruppe Entwicklungsmethoden fur Informationssysteme und Deren Anwendung

Conference

ConferenceWorkshops der GI-Fachgruppe Entwicklungsmethoden fur Informationssysteme und Deren Anwendung - Methoden, Konzepte und Technologien fur die Entwicklung von Dienstbasierten Informationssystemen, EMISA 2006
Country/TerritoryGermany
CityHamburg
Period17/10/0618/10/06

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