ITV内容分发网络关键技术的研究与实现

Research and Implementation of Some key technologies of CDN in ITV System

ITV是区别与传统广播电视的新型电视媒体。文章源于从事新媒体ITV业务研发的实践经验,分析内容分发网络在ITV系统中的重要作用,研究ITV系统内容分发网络所涉及的几项关键技术,设计出可作用于现实ITV系统的内容分发存储网络体系,内容存储技术,内容分发技术,负载均衡技术,以及链路路由规划方法,并总结出ITV实践中所遇到的问题及解决办法,为后续相关产品的开发和服务提供了有益参考。

Unlike traditional broadcast television, Interactive TV is a new TV server. In this paper, according to the author＇ s practical experience of design new media architecture, analysis the important role CDN in the Interactive TV system. Analysis several key technologies of CDN in Interactive TV system, the design process, content storage technology, load balancing, and the link route planning method used in the application. The at, thor also summed up the problems encountered and their solutions in new media practice, and provided a useful reference for the following work.