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计算机工程 ›› 2009, Vol. 35 ›› Issue (17): 94-96.doi: 10.3969/j.issn.1000-3428.2009.17.032

• 软件技术与数据库 • 上一篇    下一篇

面向Web服务的层次型动态失效检测体系

(广西大学计算机与电子信息学院，南宁 530004)   

  1. (广西大学计算机与电子信息学院，南宁 530004)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-09-05 发布日期:2009-09-05

Hierarchical and Dynamical Failure Detection Architecture for Web Service

(College of Computer and Electronic Information, Guangxi University, Nanning 530004)   

  1. (College of Computer and Electronic Information, Guangxi University, Nanning 530004)
  • Received:1900-01-01 Revised:1900-01-01 Online:2009-09-05 Published:2009-09-05

PDF

1258

被引次数

5 | 3

摘要： 根据Web服务的特点，考虑服务依赖关联和检测的可靠性需求，提出一种基于服务依赖关联和可靠性需求的层次型失效检测体系构造算法，研究失效检测的动态适应机制，包括反馈式和预防式策略。仿真实验结果表明，该算法可以提高失效检测的准确性和适应性，避免了“伪失效”现象。

关键词: Web服务, 可靠性, 失效检测, 适应性

Abstract: According to the character of Web service and in view of service dependent correlation and reliability requirement, a hierarchical failure detection architecture construction algorithm based on service dependent correlation and reliability requirement is presented. The dynamical adaptation mechanisms including reactive strategy and proactive strategy are studied. Simulation experimental results show this algorithm can improve the accuracy and adaptation of failure detection and avoid fake failure case.

Key words: Web service, reliability, failure detection, adaptation

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