在多样性业务承载、网络流量快速增长等需求推动下,光传送网(OTN)已成为骨干传送网首选技术,相应OTN互联互通将为业界关注的应用热点。本文主要分析了OTN互联互通应用涉及关键技术,并进一步针对国网大容量骨干光传送网中OTN互联互通应用进行了探讨。
To meet the requirement of service diversity and traffic growth, optical transport network(OTN) technology is becoming the first choice in the future backbone transport network,and interconnection application of different administration domains will also become the hot topic in this field. This paper analyzes key technology of the OTN interconnection firstly, and then discusses scenarios and applications of the OTN interconnection in the high capacity backbone optical transport network of State Grid of China.