【摘要】 网格技术意在驱动互联网上所有资源的全面共享与协同工作.网格工作流技术是近年来兴起的又一研究热点.简述了网格发展,提出网格系统层次模型,并分析总结其中的关键技术.接着,分析网格工作流的起因,概述其概念,并提出其区别于传统工作流的特点.最后,综述网格工作流的研究现状,分析并提出其中的关键技术及发展方向,力图为网格工作流在描述、实现和应用方面的技术创新提供基础和依据.更多还原

【Abstract】 Grid technology enables all the resources on the internet to be shared widely and collaborated.Grid workflow is one of the most attractive research fields currently.Firstly grid development was summarized, an architectural model of grid system was presented and its key technologies were explained.Then aiming at a grid workflow,its growing cause was analyzed,definitions were introduced and characters were differentiated.Finally,by reviewing the state of the art,some key technologies and future trends of grid workflow were stated,as a basis of creation on its description,implementation and application.更多还原