三网融合时代广电光传输网络发展趋势分析

Development Trend Analysis of Optical Transport Network for Broadcasting Network in Tri-network Integration

在三网融合的趋势下,广电业务正在从传统的广播电视业务向多业务方向发展,广电运营商为了满足日益增长的数字业务需求而不断地升级其干线传输网络,通过比较SDH,MSTP,WDM,OTN和AON等光传输网络技术特点,分析广电光传输网络的发展趋势以及适合广电运营商各自特点的光传输网络技术。

With the transition from broadcast service to multi services in tri-network integration, the operator will constantly upgrade the backbone networks. In this paper, the technology characteristics of SDH, MSTP, WDM, OTN and AON are mainly introduced. The development trend of optical transport network for broadcasting network is analyzed.