一种动态服务组合技术及其支撑系统  

Dynamic Service Composition and its Supporting System

作　　者：虞建杰[1] 马晓星[1] 吕建[1] 

机构地区：[1]南京大学计算机软件新技术国家重点实验室南京大学计算机软件研究所,南京210093

出　　处：《计算机科学》2008年第12期234-238,共5页Computer Science

基　　金：国家自然科学基金(60403014);教育部新世纪人才项目(NCET-07-0419);江苏省自然科学基金(BK2006712);江苏省六大人才高峰项目的支持

摘　　要：Web服务组合现已成为软件研究和实践热点之一。目前虽已出现多种Web服务组合模型和描述语言,但是面对开放分布多变的Internet网络环境,这些模型和语言在应对变化的动态性支持方面仍显不足,尤其是缺乏从协作全局对动态性的支持。在分析既有服务组合方式及其特点的基础上给出了一个解决方案,它通过一种动态协同模型综合了服务编排和服务编制的优点,在保持与主流技术和平台的兼容性的同时增强了对组合服务动态性的支持。还实现了相应的支撑系统,并在其上实现了一个应用示例。Web service composition has raised many interests in software research and practice. Now there are many Web service composition models and description languages, but most of them are not effectively adapt to the open dynamic and distributed network environment since they provide little support to the dynamic evolution, especially from the view of global collaboration. Analyzed the composition approaches applied nowadays and then presented a solution to the above problem. A dynamic coordination model that combines choreography and orchestration was proposed to enhance the support for dynamism, which is done without the sacrifice of the compatibility with mainstream platforms and technologies. Finally a supporting system was developed,with which an illustrative application was also implemented.

关 键 词：服务组合 动态性 协作性 WS-CDL BPEL 

分 类 号：TP393.4[自动化与计算机技术—计算机应用技术] TU755.22[自动化与计算机技术—计算机科学与技术]