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Communication Dans Un Congrès Année : 2010

A Dynamic Approach for Characterizing Collusion in Desktop Grids

Résumé

By exploiting idle time on volunteer machines, desktop grids provide a way to execute large sets of tasks with negligible maintenance and low cost. Although desktop grids are attractive for cost-conscious projects, relying on external resources may compromise the correctness of application execution due to the wellknown unreliability of nodes. In this paper, we consider the most challenging threat model: organized groups of cheaters that may collude to produce incorrect results. We propose two on-line algorithms for detecting collusion and characterizing the participant behaviors. Using several real-life traces, we show that our approach is accurate and efficient in identifying collusion and in estimating group behavior.

Dates et versions

inria-00441256 , version 1 (15-12-2009)

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Louis-Claude Canon, Emmanuel Jeannot, Jon Weissman. A Dynamic Approach for Characterizing Collusion in Desktop Grids. 24th IEEE International Parallel and Distributed Processing Symposium - IPDPS 2010, Apr 2010, Atlanta, United States. pp.1-12, ⟨10.1109/IPDPS.2010.5470422⟩. ⟨inria-00441256⟩
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