| IPTV媒体分发技术之一--代理缓存 |
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| 引用本文： | 聂秀英.IPTV媒体分发技术之一--代理缓存[J].电信工程技术与标准化,2006,19(3):1-5. |
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| 作者姓名： | 聂秀英 |
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| 作者单位： | 信息产业部电信研究院通信标准研究所,北京,100083 |
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| 摘 要： | 媒体分发技术在保证IPTV业务的服务质量上具有相当关键的作用.CDN(内容分发网络)技术在Web业务上得到了较为广泛的应用,但与传统的Web业务不同,IPTV需要分发的内容是数据量相当大的视频数据,采用传统的CDN技术不能完全满足IPTV业务的需要.本文介绍应用于IPTV视频流分发的代理缓存技术.
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| 关 键 词： | IPTV媒体流分发 分层编码 分段缓存 |
One of IPTV Media Delivery Techniques-Proxy Caching |
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| Nie Xiuying.One of IPTV Media Delivery Techniques-Proxy Caching[J].Telecom Engineering Technics and Standardization,2006,19(3):1-5. |
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| Authors: | Nie Xiuying |
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| Affiliation: | Institute of Communication Standards Research, China Academy of Telecom. Research, MII, Beijing 100083 |
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| Abstract: | Media delivery technique plays a key role to ensure the QoS of IPTV services.CDN(Content Delivery Network)technique is widely used in Web services,but IPTV services are different from traditional Web services as the contents delivered within IPTV services contain quite huge amount of video data.It can not meet the requirements of IPTV services using traditional CDN technique.This article introduces the proxy caching technique applied to IPTV video streams delivering. |
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| Keywords: | IPTV media streaming delivery layered encode segment-based caching |
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