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

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 h...

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Bibliographic Details
Published in:Journal of grid computing 2013-12, Vol.11 (4), p.753-770
Main Authors: Méndez Muñoz, Víctor, Casajús Ramo, Adrian, Fernández Albor, Víctor, Graciani Diaz, Ricardo, Merino Arévalo, Gonzalo
Format: Article
Language:English
Subjects:
Applied sciences
Architecture
Cloud computing
Communities
Computation
Computer architecture
Computer networks
Computer Science
Computer science
control theory
systems
Computer systems and distributed systems. User interface
Construction
Distributed processing
Exact sciences and technology
Infrastructure
Management of Computing and Information Systems
Mathematical models
Middleware
Platforms
Processor Architectures
Software
Software services
Software-as-a-service
User Interfaces and Human Computer Interaction
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Summary: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.
ISSN:1570-7873
1572-9184
DOI:10.1007/s10723-013-9279-y