Legacy Networks & NGN

Next Generation Networks

Legacy Networks 

• Legacy Networks were dedicated and isolated networks with service specific signaling and routing for service connection.
• Limited Broadband and Multimedia services.
• High OPEX.
• High Service cost.
• Long Service provision time.
• Inefficient O&M.
• Too many sites, too many types of nodes.
• Outdated and aged Exchanges.

NGN (Next Generation Networks)

• NGN has a common IP core and provide nomadically accessible IP applications regardless of a specific access link or user device.
• Provide integrated services instead of limited service.
• Centralized management and simple network structure, reduce OPEX.
• OPEX Saving from reduction of transmission, room space, O&M center, etc.
• Realize the fast and cost effective new service deployment.
• Pave the way to all-IP network.