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- Outdated and aged Exchanges.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.
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