The threat of uncertainty in service-oriented architecture
Proceedings of the 2008 RISE/EFTS Joint International Workshop on Software Engineering for Resilient Systems
Non-functional properties in the model-driven development of service-oriented systems
Software and Systems Modeling (SoSyM)
A fault-tolerant web services architecture
APWeb'06 Proceedings of the 2006 international conference on Advanced Web and Network Technologies, and Applications
Dependable composite web services with components upgraded online
Architecting Dependable Systems III
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Web Services (WSs) correspond to conceptualentities with well defined interfaces published bydifferent organizations. For example, with businesses,a WS might correspond to a business process to beinvoked by other WSs and Internet applications. Toincrease availability of a WS, an organization mightreplicate it across different nodes. This study focuseson data intensive applications that (a) expose aconceptual entity as a Web Service (WS) and (b)disperse copies of their WSs across the nodes of adistributed environment to enhance both performanceand availability. We describe the design andimplementation of a Dependable Web services (DeW)framework to realize physical-location-independence.Physical-location-independence means a plan willexecute as long as a copy of its referenced WSs isavailable. This concept enables the client proxy objectsto continue operation in the presence of both failuresand WS migrations that balance system load.