A complete offering of telecom solution including: MPLS-TP technology to handle both traditional TDM (Time Division Multiplexing) and packet-based services and provides a scalable, flexible, and efficient solution for service providers applied for access, aggregation and core node; DWDM technology to increase the capacity of optical fiber communication networks by multiplexing multiple signals onto a single fiber which allows service providers to transmit large amounts of data over long distances with high reliability and low latency; Data Diode technology to allow the most secure network separation.