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IPTV业务的技术需求与体系架构研究
引用本文:金伟.IPTV业务的技术需求与体系架构研究[J].中兴通讯技术,2006,12(3):23-26,40.
作者姓名:金伟
作者单位:信息产业部电信研究院通信标准研究所,北京,100083
摘    要:IPTV是一个产业关系复杂的业务,需要网络技术、计算机技术、图像处理技术的支持。因而体系架构必须满足多种业务、多种技术的特定需求。结合目前电信、电视的网络现状,可以采用基于三网融合的IPTV业务体系架构模型。该体系架构可使系统具有综合服务能力,可通过同一个平台提供直播电视、点播电视和时移电视业务,支持本地和跨地区的用户和业务认证,提供清晰的电子节目单和流畅的电视图像,并保障信息内容安全。

关 键 词:IPTV业务  业务需求  体系架构  三网融合
文章编号:1009-6868(2006)03-0023-04
收稿时间:2006-03-11
修稿时间:2006年3月11日

Technical Demand and System Architecture of IPTV Services
JIN Wei.Technical Demand and System Architecture of IPTV Services[J].ZTE Communications,2006,12(3):23-26,40.
Authors:JIN Wei
Abstract:IPTV services have complex industry relationships, and need support of network, computer and image processing technologies. Therefore, IPTV service system architecture should meet the special demands of various services and technologies. The architecture based on the convergence of the three networks could be used considering the current situation of telecommunications and television networks. With the architecture, the IPTV system is capable of providing integrated services, offering Live TV, TV On Demand (TVOD), and Time-shifted TV services through the same platform. Besides, it is able to support both local and trans-regional user and services authentications, provide clear electronic playbills and smooth television picture, and ensure the security of information content.
Keywords:IPTV services  service demand  architecture  convergence of three networks
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