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1250 JOURNAL OF SOFTWARE, VOL. 7, NO. 6, JUNE 2012 Research on Dependable Distributed Systems for Smart Grid Qilin Li Production and Technology Department, Sichuan Electric Power Science and Research Institute, Chengdu, P.R.China Email: li_qi_lin@163.com Mingtian Zhou School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, P.R.China Email: mtzhou@ Abstract— Within the last few years, smart grid has been cooperate correctly to carry out some common work. one of major trends in the electric power industry and has Each component runs on a computer. The operation of gained popularity in electric utilities, research institutes and one component generally depends on the operation of communication companies. As applications for smart grid other components that run on different computers [1] [2] . become more distributed and complex, the probability of Although the reliability of computer hardware has faults undoubtedly increases. This fact has motivated to construct dependable distributed systems for smart grid. improved during the last few decades, the probability of However, dependable distributed systems are difficult to component failure still exists. Furth