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目前,江苏有线在省内干线网已实现以多平面SDH系统为传输平台,承载的业务主要为数据专线和电视信号类业务。近年来,随着高清电视技术的快速发展和广大电视用户日益增长的高清视频需求,我司也大力发展高清电视节目的引入,高清电视业务可以通过IP over SDH技术实现在省干SDH上组播传输。本文主要总结了笔者参与处理过的二起特殊的高清电视的故障,并加以理论分析,供同行参考。
At present, Jiangsu cable trunk network in the province has been achieved with multi-plane SDH system for the transmission platform, carrying the main business for the data line and television signal services. In recent years, with the rapid development of high-definition television technology and the growing demand of high-definition video from a large number of television users, our company has also vigorously developed the introduction of high-definition television programs. HDTV services can be multicast over provincial SDH through IP over SDH technology transmission. This article summarizes the author involved in dealing with two special high-definition television failure, and theoretical analysis for peer reference.