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DCN(Data Communication Network)是电信运营商为其各类支撑系统提供专用数据通信的网络,旨在为各专业的网管系统提供通用的业务传送平台。作为运营商的业务支撑系统,DCN好比运营商
DCN (Data Communication Network) is a network that telecom operators provide dedicated data communication for all kinds of support systems. The purpose of DCN is to provide common service delivery platform for various professional network management systems. As an operator’s business support system, DCN is like a carrier