Dark Fibre is a method of transmitting information from one place to another by sending light pulses through fiber. The light that is carried is electromagnetic wave that is modulated to carry information. Fiber optics have superior properties compared to electrical cables when high bandwidth, long distances, or immunity to electromagnetic interference are needed.

FTTx (Fiber to the x) is a generic term for broadband network architecture that uses fiber optic cable to replace all or part of the common metal cable used in the loop at the end of the telecommunication network.

WAN (Wide Area Network) – Wide area network is a data network designed to connect between urban networks (MAN networks) between distant geographical areas. In terms of geographical scale, the GAN (Global Area Network) has the largest scale, then the WAN and LAN (local area network has high speed but the transmission line is short and can only operate in an area. certain).

IP transit is a way to connect ISPs and service providers to the Internet at home and abroad. IP transit will transmit large data from the infrastructure of domestic customers through the international gateway or international Internet connection infrastructure of the provider.

IPLC is a transmission channel used to connect and transmit information in internal networks, private telecommunications networks from domestic branches to overseas offices around the world according to the point-to-point, point-to-point connection method. multipoint.