Dynamic Provisioning of Virtual Clusters for Grid Computing

Authors:
Manuel Rodríguez;Daniel Tapiador;Javier Fontán;Eduardo Huedo;Rubén S. Montero;Ignacio M. Llorente
Affiliations:
Departamento de Arquitectura de Computadores y Automática Facultad de Informática, Universidad Complutense de Madrid, Spain;European Space agency ESA, Villanueva de la Cañada, Spain;Departamento de Arquitectura de Computadores y Automática Facultad de Informática, Universidad Complutense de Madrid, Spain;Departamento de Arquitectura de Computadores y Automática Facultad de Informática, Universidad Complutense de Madrid, Spain;Departamento de Arquitectura de Computadores y Automática Facultad de Informática, Universidad Complutense de Madrid, Spain;Departamento de Arquitectura de Computadores y Automática Facultad de Informática, Universidad Complutense de Madrid, Spain
Venue:
Euro-Par 2008 Workshops - Parallel Processing
Year:
2009

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Abstract

Virtual machines can greatly simplify grid computing by providing an isolated, well-known environment, while increasing security. Also, they can be used as the base technology to dynamically modify the computing elements of a grid, so providing an adaptive environment. In this paper we present a Grid architecture that allows to dynamically adapt the underlying hardware infrastructure to changing Virtual Organization (VO) demands. The backend of the system is able to provide on-demand virtual worker nodes to existing clusters and integrate them in any Globus-based Grid. In this way, we establish a basis to deploy self-adaptive Grids, which can support different VOs in shared physical infrastructures and dynamically adapt its software configuration. Experimental results on a prototyped testbed show less than a 10% overall performance loss including the hypervisor overhead.