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移动事务处理模型中过区切换的策略研究

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摘要 移动事务处理系统中,计算平台的移动性、频繁的断接性以及长事务等特性使得过区切换的处理显得非常重要,比如在移动事务执行过程中,移动计算机位置的改变会带来复杂的过区切换问题。使用过区切换处理带来的好处:一是移动事务可以在移动主机的移动过程中完成;二是降低了事务的响应时间;三是过区切换有利于安全管理。文章以乐观两阶段移动事务处理模型为基础,着重对过区切换问题进行分析与说明,以此来讨论移动事务过区切换的基本处理策略。
作者 刘晓 杨州宇
出处 《计算机时代》 2007年第11期56-58,共3页 Computer Era
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