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Paper ID: 1491

Co-allocation, Fault Tolerance and Grid Computing
Jon,MacLaren Mark,Mc Keown Stephen,Pickles

Appeared in: Proceedings of the UK e-Science All Hands Conference 2006 website: http://www.allhands.org.uk/2006/
Page Numbers:155 - 163
Publisher: National e-Science Centre
Year: 2006
ISBN/ISSN: 0-9553988-0-0
Contributing Organisation(s):
Field of Science: e-Science

URL: http://www.allhands.org.uk/2006/proceedings/papers/624.pdf

Abstract: Experience gained from the TeraGyroid and SPICE projects has shown that co-allocation and fault tolerance are important requirements for Grid computing. Co-allocation is necessary for distributed applications that require multiple resources that must be reserved before use. Fault tolerance is important because a computational Grid will always have faulty components and some of those faults may be Byzantine. We present HARC, Highly-Available Robust Co-allocator, an approach to building fault tolerant co-allocation services. HARC is designed according to the REST architectural style and uses the Paxos and Paxos Commit algorithms to provide fault tolerance. HARC/1, an implementation of HARC using HTTP and XML, has been demonstrated at SuperComputing 2005 and iGrid 2005.

Keywords: e-Science, AHM 2006


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