Technology Research And Application Of Building The Metropolitan Area Network Carried IPTV Of Dalian City

Since the naissance of the IPTV's conception, IPTV is considered unanimously by trades to be the high-class application in broadband network in future. But IPTV finally moves towards the reality from the dream now. According to the technical level of today's Internet, the existing IP network technology only demonstrates parts of it, moreover it is acknowledged that IP network will become the carrying network of the intelligent network in the future. At present, the development of IPTV business in China has strode out a step for IP network becoming the carrying network of the synthesis business, and the technology of domestic existing IP network as the IPTV business carrying network is in the process of researching.In order to develop the service of IPTV vigorously, as the operator of NETCOM Liaoning Province companies, NETCOM Dalian Branch conform the requirements of NETCOM Liaoning Province companies to build the Carrying Network ,which is aimed to content the requirement of IPTV business , and it can also fulfil the development of this business's long-term planning in future. Through the detailed analysis of the existing network ,My staff and I decided to improve the original IP MAN. The aim of this thesis is to transform Dalian existing IP network into the suitable network,which will be up to the IPTV carrying demands. The thesis takes the existing network user's access into account to analyze the available network, and it resolves the problems in every link according to specific demands of applying IPTV in IP network.Firstly, this thesis introduces the existing technical system and the network structure of the metropolitan area network of Dalian as well as related technical principles of carrying IPTV business; then it analyses the key technical requests of carrying IPTV business according to the characteristics of IPTV business, in view of each concrete demand and the technical question,it carrys on careful research to give solutions; then it presents the concrete implementation plans and deploys them, through the testing of the establishment experiment bureau; finally it will set forth the improvement work which should be carried on in order to develop the carrying network further.