Data Centers

Providing Fault-Tolerant Execution of Web-Service-Based Workflows within Clouds

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Executive Summary

With a variety of services rapidly evolving at all architectural levels of cloud computing, there is an increasing demand for a standardized way to coordinate their interactions. Business process management, that is, more general, the management of Web-service-based workflows, could satisfy this demand and, indeed, first corresponding offerings have gained instant popularity. While from a functional perspective, these Platform-as-a-Service (PaaS) solutions are already quite mature; their support for fault tolerance is still very limited, making them inapplicable for critical tasks.

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