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A C/S and P2P hybrid resource discovery framework in grid environments

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4 Author(s)
Yili Gong ; Chinese Acad. of Sci., Beijing, China ; Wei Li ; Yuzhong Sun ; Zhiwei Xu

Resource discovery is crucial to efficient deployment of a grid system whose dynamic, heterogeneous characteristics make it difficult. In this paper, Vega Infrastructure for Resource Discovery (VIRD) is developed, then augmented with new features (i.e., some new algorithms) to build a C/S (client/server) and P2P (peer-to-peer) hybrid resource discovery framework. The three layered architecture of the VIRD is developed to make advantage of the physical and logical topologies of the Internet to facilitate resource discovery. With our simulations and theoretical analysis, it is proved that VIRD is of good scalability with respect to the sizes of the underlying backbone. Even when the resource density is low and the max TTL (time-to-live) is small, VIRD still achieves high search success rates in a small amount of hops. Compared with flooding and random walk algorithms via the same search success rates, VIRD outperforms them in both network traffic and response time.

Published in:

Parallel Processing, 2005. ICPP 2005. International Conference on

Date of Conference:

14-17 June 2005

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