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Fault-tolerant grid architecture and practice
Authors:Hai?Jin  author-information"  >  author-information__contact u-icon-before"  >  mailto:hjin@hust.edu.cn"   title="  hjin@hust.edu.cn"   itemprop="  email"   data-track="  click"   data-track-action="  Email author"   data-track-label="  "  >Email author,DeQing?Zou,HanHua?Chen,JianHua?Sun,Song?Wu
Affiliation:(1) Huazhong University of Science and Technology, 430074 Wuhan, P.R. China
Abstract:Grid computing emerges as effective technologies to couple geographically distributed resources and solve large-scale computational problems in wide area networks. The fault tolerance is a significant and complex issue in grid computing systems. Various techniques have been investigated to detect and correct faults in distributed computing systems. Unreliable fault detection is one of the most effective techniques. Globus as a grid middleware manages resources in a wide area network. The Globus fault detection service uses the well-known techniques based on unreliable fault detectors to detect and report component failures. However, more powerful techniques are required to detect and correct both system-level and application-level faults in a grid system, and a convenient toolkit is also needed to maintain the consistency in the grid. A fault-tolerant grid platform (FTGP) based on an unreliable fault detector and the Globus fault detection service is presented in this paper. The platform offers effective strategies in such three aspects as grid key components, user tasks, and high-level applications.
Keywords:grid computing   fault tolerance   middleware   Globus   distributed computing
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