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在移动计算环境中基于移动代理的缓存失效方案 被引量：3

A Cache Invalidation Scheme Based on Mobile Agent in Mobile Computing Environments
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摘要 Caching can reduce the bandwidth requirement in a mobile computing environment as well as minimize the energy consumption of mobile hosts. To affirm the validity of mobile host' cache content, servers periodically broadcast cache invalidation reports that contain information of data that has been updated. However, as mobile hosts may operate in sleeping mode (disconnected mode), it is possible that some reports may be missed and the clients are forced to discard the entire cache content. In this paper, we present a cache invalidation scheme base on mobile agent in mobile computing environments, which can manage consistency between mobile hosts and servers, to avoid losing cache invalidation reports. Caching can reduce the bandwidth requirement in a mobile computing environment as well as minimize the energy consumption of mobile hosts. To affirm the validity of mobile host' cache content, servers periodically broadcast cache invalidation reports that contain information of data that has been updated. However, as mobile hosts may operate in sleeping mode (disconnected mode), it is possible that some reports may be missed and the clients are forced to discard the entire cache content. In this paper, we present a cache invalidation scheme base on mobile agent in mobile computing environments, which can manage consistency between mobile hosts and servers, to avoid losing cache invalidation reports.
作者 吴劲 卢显良 任立勇
机构地区 电子科技大学计算机学院
出处 《计算机科学》 CSCD 北大核心 2003年第4期82-84,共3页 Computer Science
基金 国防973重大基础研究项目资助 编号:973-1-4-2
关键词 缓存失效 移动代理 移动计算环境 无线网络 网络通信 计算机网络 Cache invalidation, Mobile host,Mobile agent,Mobile support station,Home cache
分类号 TN92 [电子电信—通信与信息系统] TP393 [自动化与计算机技术—计算机应用技术]
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参考文献9

  • 1Barbara D, Imielinski T. Sleepers and Workaholics: Caching Strategies in Mobile Environments (Extended Version). MOBIDATA: An Interactive J. Mobile Computing, 1994,1(1).
  • 2Barbara D, Imielinski T. Sleeper and Workaholics: Caching Stragegies in Mobile Enviroments. Very Large Database J. ,Dec.1995.
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同被引文献22

  • 1吴劲,卢显良,任立勇,侯孟书.移动计算环境中基于移动代理的数据管理体系结构[J].计算机科学,2005,32(5):76-78. 被引量：2
  • 2Imielinski T, Badrinath B R. Mobile wireless computing: challenges in data management[J]. Communication of ACM,1994, 37(10): 18-28.
  • 3Barbara D, Imielinski T. Sleepers and workaholics: Caching strategies in mobile environments[C]. Proceedings of the 1994 ACM-SIGMOD International Conference on Management of Data, 1994:1-12.
  • 4Tan Kian-Lee, Cai Jun, Beng Chin Ooi. An evaluation of cache invalidation strategies in wireless env ironments[J].IEEE Transactions on Prarallel and Distrubuted System, 2001, 12(8): 789-807.
  • 5Coulouris G,Dollimore J,Kindberg T. Distributed Systems: Concepts and Design(Third Edition). Pearson Education, 2001
  • 6Imielinski T, Badrinath B R. Mobile wireless computing: challenges in data management. Communication of ACM, 1994, 37(10): 18～28
  • 7Dunham M H,Helal A. Mobile computing and databases: anything new? ACM SIGMOD Record, 1995,24 (4): 5 ～ 9
  • 8Gray J, Helland P. The dangers of replication and a solution. In:Proc. ACM SIGMOD Record, 1996, 25(2): 173～182
  • 9Anindya D, Debra E V, Aslihan C,Vijay K. Broadcast Protocals to support efficient retrieval from database by mobile users. ACM TODS,1999,24(1)1: 1～79
  • 10Barbara D, Imielinski T. Sleepers and Workaholics: Caching Strategies in Mobile Environments. In: Proc. of the1994 ACMSIGMOD intl. conf. on Management of Data, May 1994. 1～12

引证文献3

二级引证文献6

计算机科学
2003年 第4期

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