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A Framework for Trust and Reputation in Grid Environments推荐
J Grid Computing (2008) 6:225–237
DOI 10.1007/s10723-008-9101-4
A Framework for Trust and Reputation
in Grid Environments
Torsten Eymann · Stefan König · Raimund Matros
Received: 20 May 2007 / Accepted: 25 February 2008 / Published online: 8 April 2008
© Springer Science + Business Media B.V. 2008
Abstract This paper examines the role of trust tional network, describing supply and demand for
and reputation in Grid environments. As Grid computational or data services. However, Service
technology becomes standardized and stable, providers usually have more information about
business models are invented and increasingly quality or availability of the services they provide,
applied, and economic implications can be ob- than their potential users (consumers). This case
served. Asymmetrically distributed information of asymmetrically distributed information usually
may allow for opportunistic behavior of service leads to suboptimal results due to occurring uncer-
providers or users who opportunistically exploit tainty on the consumer side, and thus to a inferior
the information gap between providers and con- usage of the Grid in total. Not only providers, but
sumers on the quality of services. The paper also consumers, can cause asymmetrical distrib-
takes up these economic issues by proposing a uted information. Both transaction participants
reputation-based conceptual framework for en- have to deal with uncertainty caused by environ-
abling future open Grid markets, to recommend mental factors (e.g. network failures as a result
the most promising Grid architecture and a cor- of natural disasters). According to our compre-
responding reputation approach in a particular hensio
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