| 基于SDN的CDN体系架构及关键技术研究 |
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| 引用本文： | 韩晓梅,陈戈.基于SDN的CDN体系架构及关键技术研究[J].互联网天地,2014(8):17-22. |
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| 作者姓名： | 韩晓梅 陈戈 |
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| 作者单位： | 中国电信股份有限公司广东研究院,广州510640 |
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| 摘 要： | 互联网应用带来流量持续增长,CDN成为提升用户体验的必然选择。在新业务需求和新技术的双重驱动下,电信运营商CDN需要提升CDN智能化能力,以适应快速变化的新业务。SDN是一种新型网络架构,通过将网络设备控制平面与数据转发平面分离,实现了网络的灵活控制。本文首先分析了SDN对CDN发展的影响,然后介绍了基于SDN的CDN体系架构,最后对实现基于SDN的CDN的关键技术进行探讨。
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| 关 键 词： | 内容分发网络 软件定义网络 体系架构 |
Research on the Architecture and Key Technology of CDN Based on SDN |
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| Han Xiaomei. Chen Ge.Research on the Architecture and Key Technology of CDN Based on SDN[J].China Internet,2014(8):17-22. |
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| Authors: | Han Xiaomei Chen Ge |
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| Affiliation: | Han Xiaomei. Chen Ge (Guangdong Research Institute of China Telecom Co., Ltd., Guangzhou 510640, China) |
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| Abstract: | With the development of Internet applications, CDN is an appropriate choice for improving the end-users＇ experience. The new business requirements and technologies were key drivers for CDN operators to improve the CDN intelligence. SDN is a new network architecture, and the flexible control of network traffic was achieved by separating the network device control plane and data forwarding plane. Firstly, the SDN impact on development of CDN was analyzed, then the architecture of CDN based on SDN was introduced. Finally, the key technologies of CDN based on SDN were discussed. |
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| Keywords: | content delivery network software defined network architecture |
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