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Service Selection of Ensuring Transactional Reliability and QoS for Web Service Composition

机译:确保Web服务组合的事务可靠性和QoS的服务选择

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摘要

Service-Oriented Architecture (SOA) provides a flexible framework of service composition. Using standard-based protocols, composite service can be constructed by integrating component services independently. As component services are developed by different organization and offer diverse transactional properties and QoS characteristics, it is a challenging problem how to select suitable component services which ensure reliable execution of composite Web service and construct the optimal composite Web service. In this paper, we propose a selection approach that combines transactional properties of ensuring reliability and QoS characteristics. In the selection approach, we build automaton model to implement transactional-aware service selection and use the model to guarantee reliable execution of composite Web service. We also define aggregation functions, and use a Multiple-Attribute Decision-Making approach for the utility function to achieve Qos-based optimal service selection. Finally, two scenarios of experiments are presented to demonstrate the validity of the selection approach.
机译:面向服务的体系结构(SOA)提供了灵活的服务组合框架。使用基于标准的协议,可以通过独立集成组件服务来构建复合服务。由于组件服务是由不同的组织开发的,并提供各种事务特性和QoS特性,因此如何选择合适的组件服务以确保组合Web服务的可靠执行并构造最佳的组合Web服务是一个具有挑战性的问题。在本文中,我们提出了一种选择方法,该方法结合了确保可靠性和QoS特性的事务属性。在选择方法中,我们建立自动机模型来实现事务感知服务选择,并使用该模型来保证复合Web服务的可靠执行。我们还定义了聚合函数,并对效用函数使用多属性决策方法来实现基于Qos的最佳服务选择。最后,提出了两种实验方案,以证明选择方法的有效性。

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  • 来源
    《Mathematical Problems in Engineering》 |2012年第11期|641361.1-641361.15|共15页
  • 作者单位

    College of Communication Engineering and Center of Network Engineering Technology, Weinan Normal University, West Chaoyang Street, 714000 Weinan, Shaanxi, China;

    College of Mathematics and Information Science and Center of Network Engineering Technology, Weinan Normal University, 714000 Weinan, China;

    College of Mathematics and Information Science and Center of Network Engineering Technology, Weinan Normal University, 714000 Weinan, China;

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