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Seventh International Network Conference (INC 2008)

Seventh International Network Conference (INC 2008)
Plymouth, UK, July 8-10, 2008
ISBN: 978-1-84102-188-1

Title: Sharing Supply-Demand Trends for Efficient Resource Discovery in GRID Environments
Author(s): Nick Antonopoulos, Georgios Exarchakos, Kan Zhang
Reference: pp125-137
Keywords: Grid, Peer-to-Peer, Resource discovery, Cooperation
Abstract: A critical factor for the success or otherwise of any GRID-oriented environment is the quality of tools it offers to its users to enable them to discover pertinent information and resources efficiently and accurately. The peer-to-peer model of interaction and the sheer number of resources makes the design of a GRID information/resource discovery service more challenging compared to similar services for traditional client-server environments. In this article we present the architecture of the Grid Talk (GT) agent; a pure peer-to-peer framework to facilitate resource discovery in GRID environments. In contrast to current approaches that introduce separate, inter-linked, dedicated nodes for resource discovery, our proposed framework enforces the direct interaction between requesters and providers through the sharing of supply-demand trends. The absence of any hierarchical or web-like middleware implies that our framework is firstly efficient since queries are sent directly to appropriate providers and secondly adaptive because any changes to the status or capacity of the providers are reported directly to the consumers through peer-to-peer table sharing.
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