A Reflective Framework to Support Adaptive Service Composition under Correctness Constrains

2008 Third International Conference on Internet and Web Applications and Services Pub Date : 2008-06-08 DOI:10.1109/ICIW.2008.25

Yanlong Zhai, H. Su, Shouyi Zhan

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引用次数: 3

Abstract

Process-based Web service composition is receiving significant momentum as an important strategy to allow enterprise collaboration. However the current Web service composition solutions are rather restricted and inflexible as they use a pre-defined model of the process environment. These solutions have assumed that the information in the models and consequently the compositions remain static and accurate throughout the service composition life cycle. The reflective framework presented here aims to improve the adaptability of BPEL based Web service composition. A meta-model was defined to represent the control and data flow of the composition model. To ensure the correctness of dynamic adaptation, a set of constrains and a verification algorithm were defined. A prototype adaptive service composition environment has been developed to implement our solution and demonstrate its effectiveness. In summary, it is stated that the reflective framework provides an considerable solution to the adaptive service composition without causing any control or dataflow errors.

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一个在正确性约束下支持自适应服务组合的反射框架

基于流程的Web服务组合作为一种允许企业协作的重要策略，正获得巨大的发展势头。然而，当前的Web服务组合解决方案相当有限且不灵活，因为它们使用预定义的流程环境模型。这些解决方案假设模型中的信息以及组合在整个服务组合生命周期中保持静态和准确。这里介绍的反射框架旨在提高基于BPEL的Web服务组合的适应性。定义了元模型来表示组合模型的控制流和数据流。为了保证动态自适应的正确性，定义了一组约束条件和验证算法。已经开发了一个原型自适应服务组合环境来实现我们的解决方案并证明其有效性。总而言之，反射框架为自适应服务组合提供了一个相当好的解决方案，而不会导致任何控制或数据流错误。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2008 Third International Conference on Internet and Web Applications and Services

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