| 一种基于JPDA的EJB组件强迁移方法 |
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| 引用本文： | 周睿鹏,郭渊博,刘伟,肖建鹏.一种基于JPDA的EJB组件强迁移方法[J].信息工程大学学报,2010,11(1):75-78. |
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| 作者姓名： | 周睿鹏 郭渊博 刘伟 肖建鹏 |
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| 作者单位： | 1. 信息工程大学,电子技术学院,河南,郑州,450004
2. 65012部队,辽宁,沈阳,110101 |
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| 基金项目： | 国家863计划资助项目，河南省基础与前沿技术计划项目 |
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| 摘 要： | 随着分布式应用技术的发展，组件的静态性限制了分布式系统在运行期间适应其环境变化的要求。为了动态适应外界环境变化，提高系统性能，组件迁移的研究受到广泛关注。目前学术界对组件迁移技术的研究大多集中在组件弱迁移上，对强迁移的研究较少。文章提出了一种新的EJB组件强迁移方法，它通过JPDA来捕获和恢复组件强迁移所需的运行状态。这种方法可以在不需要修改JVM的情况下，得到并恢复EJB组件的运行状态，保证了较强的通用性。本方法在自主研制的JANTM平台中得到了实现，应用在负载平衡和失效恢复两个方面。
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| 关 键 词： | 组件迁移 JPDA 强迁移 EJB |
Research on Strong Migration Algorithm of Enterprise Java Bean Components Based on JPDA |
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| ZHOU Rui-peng,GUO Yuan-bo,LIU Wei,XIAO Jian-peng.Research on Strong Migration Algorithm of Enterprise Java Bean Components Based on JPDA[J].Journal of Information Engineering University,2010,11(1):75-78. |
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| Authors: | ZHOU Rui-peng GUO Yuan-bo LIU Wei XIAO Jian-peng |
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| Affiliation: | 1. Institute of Electronic Technology, Information Engineering University, Zhengzhou 450004, China 2. Unit 65012, Shenyang 110101, China) |
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| Abstract: | With the development of distributed application technology, the static distributed compo-nent has prevented distributed systems from meeting changing requirements of the external environ-ment. In order to enhance the system performance, component migration has been widely con-cerned. At present, the academic circles research into component migration technique in the majori-ty of the weak migration, and pay little attention to strong migration. This paper presents a novel method of Strong Migration of EJB Components, which through the JPDA captures and restores the necessary executive state for component strong migration. This method requiresno modifications of JVM, captures and restores the executive state of EJB components, and ensures a strong universali-ty. The algorithm has been developed in JANTM platform, and has been applied to load balancing and failure recovery. |
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| Keywords: | JPDA EJB component migration JPDA strong migration EJB |
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