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首先介绍IPTV业务承载网络结构及组成,然后介绍IPTV业务流程,最后对IPTV业务对承载网络及承载网元的具体需求做了详细介绍、总结与建议。
Firstly, the structure and composition of the IPTV service bearer network are introduced. Then the IPTV service flow is introduced. Finally, the detailed requirements, the summary and the suggestions of the IPTV service on the bearer network and the bearer network element are introduced.