三网融合与下一代广播电视网（NGB）

随着信息技术的快速发展和社会信息化需求的增加，包括通信网和互联网、广电网的融合以及下一代网的产业融合已经成为产业发展的主流趋势。首先介绍了三网各自的技术特，最、现存的问题和发展状况，进而探讨了下一代广播电视网的运营公司的关键成功因素、业务模式和商业模式。

Tri-network Convergence and the Next Generation Broadcasting Network

With the rapid development of Information technology and the increments requirement on the world informatization, tri-network convergence and the industry convergence of the next generation network have become the mainstream trends in communication industry. First, this article introduced the technology character- istic of tri-network each, the problem exited and the development status now. Then this article discussed the key success factor, the operations mode and business mode of the next generation broadcasting.