Sichuan Telecom Iptv Bearer Network-cdn Network Transformation

With the processing development of IP technology and communication of information in 21th century , the INTERNET and broadband network have been rapidly Processing .The video service with streaming media technology was borned in the development of boardband network. Compared with the short existstance of IP network ,the industry of TV has more rich source data of entertainment for the development of hundreds years .Series of mature digital techenology and the growing spiritual demand of the comsumer make the appereance of the emerging industry of IPTV ,which has the two characters of ineractivity and real-time,be inevitable. For the branch of China Telecom of Sichuan,the ADSL with single business has been declined.To find the new breaking point of adding benefit,to operate the IPTV is critical. And the data from the firm at home or aboard,which has the IPTV business for a long time show that the average revenue per user can be promote higly with the business.The paper delves the bearer network reconstruction project during 2008-2010 ,especially the CDN ,which is superimposed on the bearer network.With the experience coming from the companies at home or aboard,which has operated IPTV business, concering with the bearer network status and the specific business type of IPTV and the expected scale of the developing subscriber simultaneously, reconstruct the bearer network and promote the CDN to satisfiy the requirement of the expecting IPTV subscriber. The project is the first one of all the telecom operator in Sichuan. IT can give the enjoyment of digital information with high quality to SICHUAN tv wather for the first time ,on the other hand ,the experiment drafting from the project can be Worthful to the other mobile opartor which want to operate the business of IPTV in the future.