Cafe: A Generic Configurable Customizable Composite Cloud Application Framework

  • Authors:

  • Ralph Mietzner;Tobias Unger;Frank Leymann

  • Affiliations:

  • Institute of Architecture of Application Systems, University of Stuttgart, Stuttgart, Germany 70569;Institute of Architecture of Application Systems, University of Stuttgart, Stuttgart, Germany 70569;Institute of Architecture of Application Systems, University of Stuttgart, Stuttgart, Germany 70569

  • Venue:
  • OTM '09 Proceedings of the Confederated International Conferences, CoopIS, DOA, IS, and ODBASE 2009 on On the Move to Meaningful Internet Systems: Part I
  • Year:
  • 2009

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Abstract

In this paper we present Cafe (Composite Application Framework) an approach to describe configurable composite service-oriented applications and to automatically provision them across different providers. Cafe enables independent software vendors to describe their composite service-oriented applications and the components that are used to assemble them. Components can be internal to the application or external and can be deployed in any of the delivery models present in the cloud. The components are annotated with requirements for the infrastructure they later need to be run on. Providers on the other hand advertise their infrastructure services by describing them as infrastructure capabilities. The separation of software vendors and providers enables end users and providers to follow a best-of-breed strategy by combining arbitrary applications with arbitrary providers. We show how such applications can be automatically provisioned and present an architecture and a prototype that implements the concepts.