Approach to Reliability Optimization of Web ServiceComposition with Redundancy

doi:10.3969/j.issn.1000-3428.2008.04.011

Computer Engineering ›› 2008, Vol. 34 ›› Issue (4): 31-33. doi: 10.3969/j.issn.1000-3428.2008.04.011

• Degree Paper • Previous Articles Next Articles

Approach to Reliability Optimization of Web ServiceComposition with Redundancy

ZHONG Du-hang, QI Zhi-chang, XU Xi-shan

(School of Computer, National University of Defense Technology, Changsha 410073)

Received:1900-01-01 Revised:1900-01-01 Online:2008-02-20 Published:2008-02-20

基于冗余的Web服务组合可靠性优化方法

钟读杭，齐治昌，徐锡山

（国防科技大学计算机学院，长沙 410073）

Abstract

Abstract: In order to provide composite Web services according to the reliability requirements of clients, an approach to the optimization of software reliability is proposed. The emphasis is put on the software redundancy to achieve fault tolerance. Based on the reliability prediction model of Web services composition, two optimization models are formulated. They are significant for the optimal design of Web services composition.

Key words: Web service composition, reliability, software fault tolerance

摘要： 为了确保Web服务组合的可靠性满足用户需求，该文提出一种可靠性优化方法，利用软件容错技术来提高组合服务的可靠性。在Web服务组合的可靠性预测模型的基础上，分别给出两种容错模式下可靠性优化模型的表示，对于Web服务组合的优化设计具有一定的理论指导意义。

关键词: Web服务组合, 可靠性, 软件容错

CLC Number:

TP393

ZHONG Du-hang; QI Zhi-chang; XU Xi-shan. Approach to Reliability Optimization of Web ServiceComposition with Redundancy[J]. Computer Engineering, 2008, 34(4): 31-33.

钟读杭;齐治昌;徐锡山. 基于冗余的Web服务组合可靠性优化方法[J]. 计算机工程, 2008, 34(4): 31-33.

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