中文摘要：

文章认为三网融合的发展对网络架构的新需求主要体现在网络的扁平化和透明化,对网络容量的需求也有大幅度提高,同时需要传送网提供灵活的大容量调度能力;作为业务网络的基础承载网络,传输网络需要满足各种业务承载的传送带宽和长传输距离、安全性和灵活调度等要求;传送网的技术发展在光传送网（OTN）技术、分组传送网（PTN）技术和100G技术方面的发展为传输网的进一步发展和融合做好了技术储备。

英文摘要：

Converging networks raises the requirements for flattened architecture as well as increased transparency and capacity.Flexible high-capacity scheduling is also needed in the transport network.The transport network is the basic bearing network and should be safe,flexible,broadband,and capable of transmitting over long distances.The transport network in optical transport networks（OTNs）,packet transport networks（PTNs）,and in 100G technology is preparing the way for better convergence and the development of the transport network.