Decentralized Establishment of Consistent, Multilateral Collaborations
A formal model and its application in the Web Service domain
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Service Oriented Architecture (SOA) support decentralized and loosely coupled applications. In particular, parties make functionality available as a service, which is maintained and controlled independent of a centralized coordinator. Further, loose coupling supports late binding of services, i.e., a service requestor may decide at run-time which service provider to use for that particular collaboration. As a consequence of these decentralized decisions and the lack of a centralized coordinator, a decentralized decision has to be made whether the composed collaboration will be successful, thus...
Service Oriented Architecture (SOA) support decentralized and loosely coupled applications. In particular, parties make functionality available as a service, which is maintained and controlled independent of a centralized coordinator. Further, loose coupling supports late binding of services, i.e., a service requestor may decide at run-time which service provider to use for that particular collaboration. As a consequence of these decentralized decisions and the lack of a centralized coordinator, a decentralized decision has to be made whether the composed collaboration will be successful, thus will not be deadlocked. In this book a formal workflow model for checking bilateral consistency in a composed collaboration is presented. This approach is extended to multi-lateral consistency checking without centralized coordination. Further, the approach is evaluated by applying the workflow model in the Web Service domain.
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