With the development of the computer technology, computer systems become more important to the enterprise and service. Dependability of the system play a critical roll. A system undo model, which can help the system operator to face up the problem is introduced.
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孙海涛 陈开颜 赵强 刘洁. 面向恢复的系统级undo模型[J]. 科学技术与工程, 2005, (21): 1665-1667. SUN Haitao, CHEN Kaiyan, ZHAO Qiang, et al. A System Undo Model Oriented Recovery[J]. Science Technology and Engineering,2005,(21):1665-1667.