摘要
从IPTV业务属性出发,分析了IPTV承载网所遇到的问题,提出将CDN网络引入到IPTV系统中的解决思路。通过描述CDN网络的构成、原理和关键技术,指出了现有CDN网络直接用来承载IPTV业务的不足之处,并提出将CDN网络用于IPTV业务的改进方法。
Starting with the description of IPTV service characteristics, the article analyzes problems of the IPTV carrier network, and recommends a solution that the CDN should be introduced into the IPTV system. Then, it describes the structure, principle and key technologies of CDN. After that, the article points out CDN＇S shortcomings when it is directly used to carry the IPTV service. In the end, it puts forward some methods to improve the performance oft：he CDN to carry＇ the IPTV service.
出处
《现代电信科技》
2005年第11期38-42,共5页
Modern Science & Technology of Telecommunications
