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Expressing and Reasoning about Service Contracts in Service-Oriented Computing

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7 Author(s)
Kuo, D. ; Sch. of Comput. Sci., Manchester Univ. ; Fekete, K. ; Greenfield, Paul ; Nepal, S.
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The Web services and service-oriented architectures (SOA) vision by Helland, P. (2005) is about building large-scale distributed applications by composing coarse-grained autonomous services in a flexible architecture that can adapt to changing business requirements. These services interact by exchanging one-way messages through standardized message processing and transport protocols. This vision is being driven by economic imperatives for integration and automation across administrative and organizational boundaries. This paper presents a concise yet expressive model for service contracts to describe messaging behavior. The idea is simple: we use Boolean conditions to specify when a message can be sent and received, where the conditions refer only to other messages in the service contract - that is, conditions only refer to a service's externalized messaging state and not to internal state

Published in:

Web Services, 2006. ICWS '06. International Conference on

Date of Conference:

18-22 Sept. 2006