Non-intrusive monitoring and service adaptation for WS-BPEL
Proceedings of the 17th international conference on World Wide Web
Improving the trustworthiness of service QoS information in service-based systems
ATC'10 Proceedings of the 7th international conference on Autonomic and trusted computing
Research on SOA business process disaster tolerance recovery method
WISM'11 Proceedings of the 2011 international conference on Web information systems and mining - Volume Part I
Representing service-relationships as first class entities in service orchestrations
WISE'12 Proceedings of the 13th international conference on Web Information Systems Engineering
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Web services paradigm is allowing applications to interact with one another over the Internet. BPEL facilitates this interaction by providing a platform through which Web services can be integrated. However, the autonomous and distributed nature of the integrated services presents unique challenges to the reliability of composed services. The focus of our ongoing research is to transparently introduce autonomic behavior to BPEL processes in order to make them more resilient to the failure of partner services. In this work, we present an approach where BPEL processes are adapted by redirecting their interactions with partner services to a dynamic proxy. We describe the generative adaptation process and the architecture of the adaptive BPEL processes and their corresponding proxies. Finally, we use case studies to demonstrate how generated dynamic proxies are used to support self-healing and self-optimization in instrumented BPEL processes.