Rafhyc: an Architecture for Constructing Resilient Services on Federated Hybrid Clouds

  • Authors:

  • Víctor Méndez Muñoz;Adrian Casajús Ramo;Víctor Fernández Albor;Ricardo Graciani Diaz;Gonzalo Merino Arévalo

  • Affiliations:

  • Port d'Informació Científica (PIC), Universitat Autonoma de Barcelona, Bellaterra, Spain and Institut de Fisica d'Altes Energies (IFAE), Bellaterra, Spain;Department of Structure and Constituents of Matter, Universitat de Barcelona (UB), Barcelona, Spain;Particle Physics Department, Universidade de Santiago de Compostela (USC), Santiago de Compostela, Spain;Department of Structure and Constituents of Matter, Universitat de Barcelona (UB), Barcelona, Spain;Port d'Informació Científica (PIC), Universitat Autonoma de Barcelona, Bellaterra, Spain and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, USA

  • Venue:
  • Journal of Grid Computing
  • Year:
  • 2013

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Abstract

Federated hybrid clouds is a model of service access and delivery to community cloud infrastructures. This model opens an opportunity window to allow the integration of the enhanced science (eScience) with the Cloud paradigm. The eScience is computationally intensive science that is carried out in highly distributed computing infrastructures. Nowadays, the eScience big issue on Cloud Computing is how to leverage on-demand computing in scientific research. This requires innovation at multiple levels, from architectural design to software platforms. This paper characterizes the requirements of a federated hybrid cloud model of Infrastructure as a Service (IaaS) to provide eScience. Additionally, an architecture is defined for constructing Platform as a Service (PaaS) and Software as a Service (SaaS) in a resilient manner over federated resources. This architecture is named Rafhyc (for Resilient Architecture of Federated HYbrid Clouds). This paper also describes a prototype implementation of the Rafhyc architecture, which integrates an interoperable community middleware, named DIRAC, with federated hybrid clouds. In this way DIRAC is providing SaaS for scientific computing purposes, demonstrating that Rafhyc architecture can bring together eScience and federated hybrid clouds.