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A Scalable Autonomous Replica Management Framework for Grids

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4 Author(s)
Vlassov, V. ; Dept. of Electron., Comput. & Software Syst., R. Inst. of Technol., Stockholm ; Dong Li ; Popov, K. ; Haridi, S.

Data replication can reduce access time and improve fault tolerance and load balancing. Typical requirements for a replica management system include an upper bound on replica round trip time, scalability, reliability, self-management and self-organization, and ability to maintain consistency of mutable replicas. This article presents the design and a prototype implementation of a scalable, autonomous, service-oriented replica management framework for Globus Toolkit Version 4 using DKS. DKS is a structured peer-to-peer middleware. Grid nodes are integrated into a P2P network. The framework uses the ant metaphor and techniques of multiagent systems for collaborative replica selection. We propose also a complimentary "background" service that collects access statistics and optimizes replica placement based on access pattern and replica lifetimes statistics. We have tested and profiled the prototype

Published in:

Modern Computing, 2006. JVA '06. IEEE John Vincent Atanasoff 2006 International Symposium on

Date of Conference:

3-6 Oct. 2006

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