Customer requirements: The customer has two equipment rooms with a distance of

有两个机房，距离，需要在这两个机房之间配置光传输设备，机房之间要传输业务量，配置 OTN/WDM，OTNOptical Transport Netwo

The carrier's communication network can be divided as follows: backbone network

The carrier's communication network can be divided as follows: backbone network

Internet Service Provider (ISP) is a service provider that provides the followi

Customer is a telecommunications operator in Africa, having a lot of opera

Customer is an ISP secondary operator in Southeast Asiahold . He its develop I