Backbone Network definition:
Backbone (Backbone Network) is used to connect a plurality of regions or areas with high-speed network. Different network providers have their own backbone network to connect their which are located in different areas. Backbone is usually used to describe the large-scale network structure. Backbone is generally can be a WAN.
With modern telecommunications, the rapid development of computer and Internet technology, data, voice and video traffic transmission are growing, and showing convergence trend, the existing network has been difficult to meet the rapidly growing business needs, a strong need to build a new broadband backbone network to carry these fast-growing business.