Network Management
The network management layer manages all network elements in the area under its jurisdiction.
The Main Functions Include:
1> Coordinate and control the activities of all network elements from the perspective of the entire network;
2> Provide, modify or terminate network services;
3> Interact with the above service management layer on network performance, availability and other matters.
Unit Management
The unit management layer directly exercises the management function of individual network elements.
The Main Functions Include:
1> Control and coordinate a series of network elements;
2> Provide coordination function for network layer management and network unit communication;
3> Maintain statistics and other data related to the network unit.
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