基于Web服务的网格体系结构及其支撑环境研究

胡春明; 怀进鹏; 孙海龙

引用本文:	胡春明,怀进鹏,孙海龙.基于Web服务的网格体系结构及其支撑环境研究.软件学报,2004,15(7):1064-1073

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基于Web服务的网格体系结构及其支撑环境研究
胡春明¹, 怀进鹏¹, 孙海龙¹
北京航空航天大学,计算机学院,北京,100083

摘要:

网格技术是当前网络计算的前沿领域,基于Web服务技术构建网格系统有助于提高网格系统的可扩展性和互操作能力,是这一领域中的最新热点.但现有的工作尚未明确界定基于Web服务的网格的功能模型和实现机制.首先讨论了网格功能模型,基于OGSA(open grid service architecture)框架提出了基于Web服务的网格层次体系结构,并将Web服务工作流引入到网格任务描述中,给出一种Web服务与网格技术相融合的机制,介绍了基于Web服务的网格支撑环境WebSASE4G的总体结构和设计原理,为基于Web

关键词: 分布式计算网格体系结构 OGSA Web服务

DOI：

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基金项目:Supported bythe National High-Tech Research and Development Plan of China under Grant Nos.2001AA113030,2001AA115110,2002AA116050,2003AA115420(国家高技术研究发展计划(863))

Web Service-Based Grid Architecture and Its Supporting Environment

HU Chun-Ming,HUAI Jin-Peng,SUN Hai-Long

Abstract:

Grid is a new paradigm of Internet computing to share distributed resources and collaborate among them. A web service-based approach for Grid can improve the extensibility and interoperability of Grid system. In this paper, a layered Grid functional model is discussed; within the OGSA (open grid service architecture) framework, a Web service-based Grid architecture is presented. An approach of integrating web services and Grid technology is proposed. Web service workflow technology is used to model the task of the Grid application and its requirement on resource services. The architecture of a Web service-based Grid supporting environment called WebSASE4G is introduced, which gives a new approach to Web service based Grid architecture.

Key words: distributed computing grid architecture OGSA (open grid service architecture) Web service