SDN is a great new way to think about the networking. But, till today, it was difficult for a software-defined network to communicate with the external world.

SDN重新定义了网络架构，但是直到今天，SDN网络仍很难与外部网络进行通信。

youdao

SDN is a great new way to think about the networking. But, till today, it was difficult for a software-defined network to communicate with the external world.

SDN重新定义了网络架构，但是直到今天，SDN网络仍很难与外部网络进行通信。

youdao