摘要
新的技术和业务发展对广播电视节目的传输质量提出了更高的要求。早期的卫星地球站,由于标清、高清制式的大量应用,SDH信号传输过程中存在着数据率高、占用带宽大、安全系数低、链路设计复杂和维护困难等问题,而基于TS over IP技术的SDH双机热备系统,通过VRRP+MSTP热备份智能检测故障,实现主备倒换和负载分担,达到简化链路、降低成本、易于维护、通信隔离、提高传输速率和可靠性的目的。
New technology and business development put forward higher requirements for transmission quality of radio and television programs. In early satellite earth station, due to extensive application of SD and HD standards, there were problems in SDH signals transmission such as high data rate, large occupied bandwidth, low security factor, complex link design and difficult maintenance. SDH dual-machine hot standby system based on TS over IP technology, through VRRP+MSTP hot standby intelligent fault detection, realizes active/standby switching and load sharing, and achieves the purpose of simplifying links, reducing costs, easy maintenance, communication isolation, and improving transmission rate and reliability.
作者
黄建文
Huang Jianwen(Guangdong Radio and TelevisionTechnology Center,Guangdong 510012,China)
出处
《广播与电视技术》
2021年第4期111-115,共5页
Radio & TV Broadcast Engineering
