A Data Centre (DC), a building site that provides an operating environment for centrally placed electronic information equipment.

OTN (Optical Transport Network) is a next generation backbone transport network based on WDM technology and organised on the optical layer.

Optical Access Network (OAN) refers to a type of access network that uses optical fibre as the transmission medium in whole or in part between the local exchange, or the remote module and the user. 

Mobile communication continues the development pattern of one generation of technology per decade and has gone through 1G, 2G, 3G and 4G development. 

Data security, data storage and data recovery are challenges that these industries must face.