摘要
分析了业务承载变化对城域传送网带来的问题和挑战,从传送网架构调整、带宽提升以及新的网络技术引入等方面给出了城域传送网技术演进趋势,并结合现网应用分析了SDN、POTN等热点技术当前面临的问题及相关解决方案。
This paper analyzes the issues and challenges of metro transport networks caused by rapid services changing, and illustrates the technology trend of metro transport network from following aspects： transport network architecture adjustment, bandwidth upgrading and network technologies evolution. According to application scenarios, the paper also analyzed the problems and solutions of hot topics such as SDN and POTN.
出处
《电信网技术》
2013年第6期32-39,共8页
Telecommunications Network Technology
