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网格中一种事件驱动的服务动态中介机制
引用本文:李厚福,韩燕波,单保华,陈旺虎. 网格中一种事件驱动的服务动态中介机制[J]. 计算机集成制造系统, 2007, 13(6): 1224-1233
作者姓名:李厚福  韩燕波  单保华  陈旺虎
作者单位:中国科学院,计算技术研究所网格和服务计算研究中心,北京,100080;中国科学院研究生院,北京,100089;中国科学院,计算技术研究所网格和服务计算研究中心,北京,100080
基金项目:国家自然科学基金 , 国家高技术研究发展计划(863计划) , 科技部科技基础条件平台建设计划
摘    要:为实现网格中自治、动态和语义不一致的服务之间的互操作,提出一种事件驱动的服务动态中介机制,以解决网格中服务的动态匹配和互操作问题.在该机制中,引入了业务事件,围绕业务事件给出了一组业务事件关系.基于业务事件关系,给出了四个服务中介操作原语,以实现网格环境下服务之间更为松耦合的交互和数据交换.结合跨组织的供应链场景,讨论了该机制的核心概念、工作原理和互操作过程.实验表明,该机制能够在保持各个服务独立性的情况下实现服务之间的互操作.

关 键 词:面向服务的计算  服务网格  事件驱动的架构  服务互操作  服务中介
文章编号:1006-5911(2007)06-1224-10
收稿时间:2006-07-10
修稿时间:2006-07-102006-10-16

Event-driven service mediation mechanism for grid environments
LI Hou-fu,HAN Yan-bo,SHAN Bao-hua,CHEN Wang-hu. Event-driven service mediation mechanism for grid environments[J]. Computer Integrated Manufacturing Systems, 2007, 13(6): 1224-1233
Authors:LI Hou-fu  HAN Yan-bo  SHAN Bao-hua  CHEN Wang-hu
Abstract:To facilitate the interoperations among autonomous, dynamic and semantically inconsistent services in grid environments, an event-driven service mediation mechanism was proposed to deal with dynamic service matching and interoperation. With the mechanism, business events were treated as the first-class entities, and the relationships among business events were introduced. Based on business events and their relationships, four service mediation primitives were presented to realize loosely-coupled interoperations and data exchanges among services. The core concepts, working principles and interoperation process of the mechanism were discussed by combining a supply chain scenario. Experiments showed that the mechanism could realize the interoperation among services while preserving their independence.
Keywords:service-oriented computing   service grid   event-driven architecture   service interoperation   service mediation
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