| 内容配送网路由请求系统的研究 |
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| 引用本文： | 胡鹏,洪佩琳,李津生,杨海松. 内容配送网路由请求系统的研究[J]. 计算机应用, 2005, 25(2): 245-247. DOI: 10.3724/SP.J.1087.2005.0245 |
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| 作者姓名： | 胡鹏 洪佩琳 李津生 杨海松 |
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| 作者单位： | 中国科学技术大学,电子工程与信息科学系,安徽,合肥,230027;中国科学技术大学,电子工程与信息科学系,安徽,合肥,230027;中国科学技术大学,电子工程与信息科学系,安徽,合肥,230027;中国科学技术大学,电子工程与信息科学系,安徽,合肥,230027 |
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| 基金项目： | 国家自然科学基金资助项目(90104011) |
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| 摘 要： | 分析了内容配送网现有的DNS路由请求机制,提出一种基于策略的路由请求系统PBR2S。该系统能够根据网络的当前状态,动态地更新DNS名字服务器,可以较为安全地处理突发数据。对PBR2S的架构、协议和功能模块做了详细的说明,最后分析了系统的特性。
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| 关 键 词： | 路由请求 策略 判决 动态更新 安全 可扩展性 |
| 文章编号： | 1001-9081(2005)02-0245-03 |
Research on request-routing system in CDN |
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| HU Peng,HONG Pei-lin,LI Jin-sheng,YANG Hai-song. Research on request-routing system in CDN[J]. Journal of Computer Applications, 2005, 25(2): 245-247. DOI: 10.3724/SP.J.1087.2005.0245 |
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| Authors: | HU Peng HONG Pei-lin LI Jin-sheng YANG Hai-song |
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| Affiliation: | Department of Electronic Engineering and Information Science, University of Science and Technology of China |
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| Abstract: | After DNS-based request-routing in CDN(Content Delivery Network) was analyzed firstly, the PBR~2S(Policy-Based Request Routing System) architecture with policy-based of request-routing system was proposed in this article. This system could update DNS Name Server dynamically according to the state of network, it could process flash crowd more securely. Architecture, protocol and functional module were described in detail, at last the character of the system was summarized. |
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| Keywords: | request-routing policy decision dynamic update security extendiblity |
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