论文部分内容阅读
有线电视网络经过多年的发展,从最初的共用天线系统发展到今天的HFC网络,数字技术在有线电视网络上的不断运用,B平台的建设和运营,更是推进着有线电视网络向一个现代通信网络发展,现在的有线电视网络已由一个单一传送电视节目为主的网络发展为一个多业务网络。随着互联网接入(INTERNET)、视频点播(VOD)、网络电话(VOIP)等业务的提供,网络的可靠性变得日益重要。
After years of development of cable television network, from the initial development of shared antenna system to today’s HFC network, continuous use of digital technologies in cable television networks and construction and operation of platform B further promote the development of cable television network to a modern communication With the development of the network, the cable television network now has evolved from a network that mainly delivers television programs to a multi-service network. With the availability of services such as internet access, video on demand (VOD) and voice over internet protocol (VOIP), the reliability of networks has become increasingly important.