Logical Layers
The framework identifies four logical layers of network management:
- Business management
- Includes the functions related to business aspects, analyzes trends and quality issues, for example, or to provide a basis for billing and other financial reports.
- Service management
- Handles services in the network: definition, administration and charging of services.
- Network management
- Distributes network resources, performs tasks of: configuration, control and supervision of the network.
- Element management
- Handles individual network elements including alarm management, handling of information, backup, logging, and maintenance of hardware and software.
A network element provides agent services, mapping the physical aspects of the equipment into the TMN framework.
Read more about this topic: Telecommunications Management Network
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