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基于OGSA的多媒体内容分发系统研究与设计 被引量：1

Research and Design on Multimedia Content Delivery System Based on OGSA
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摘要 从分析目前多媒体分发技术遇到的问题和挑战出发,提出了一种新型的基于OGSA服务网格的多媒体内容分发体系架构.首先阐述了新型的基于OGSA的多媒体分发Intergrid系统架构,虚拟组织关系架构和基于OGSAGT3的Intragrid系统软件架构.而后提出了多媒体分发网格的系统实现架构,主要阐述了一个使用OGSAGT3实现的新型VODIntergrid系统.进一步介绍了在该领域开展的原型系统的实验与并对实验,结果进行了对比分析.阐述了该领域未来需要重点突破的研究方向. From the analysis of some hard problems in multimedia service technology today, this paper presents a new multimedia delivery architecture based on Open Grid Services Architecture （OGSA）. This paper firstly describes OGSA-based Intergrid system architecture, virtual organization relationship architecture and OGSA-GT3-based Intragrid software development architecture. And then this paper proposes system implementation - a typical VOD Intergrid scheme Using OGSA-GT3. As part of this study, this paper demonstrates a prototype system design, and analyses the contractive experiment results. At last, this paper analyzes the main challenges confronted in this field, and illustrates the prospective research direction.
作者 吕智慧 张世永 钟亦平 杨舰
机构地区 复旦大学计算机与信息技术系
出处 《小型微型计算机系统》 CSCD 北大核心 2005年第9期1626-1631,共6页 Journal of Chinese Computer Systems
基金 国家自然科学基金项目(60373018)资助 国家"十五"重大科技攻关项目(2001BA101A03)资助.
关键词 网格计算 开放网格服务架构 多媒体分发 内容分发网络 虚拟组织 Globus Web服务 grid computing open grid services architecture （OGSA） multimedia delivery content delivery networks （CDN） virtual organization globus Web Service
分类号 TP393 [自动化与计算机技术—计算机应用技术]
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参考文献22

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小型微型计算机系统
2005年 第9期

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