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The subnet management system sends the commands to the NE management
system, which then send them to the NE. After the commands are executed, the
NE sends responses to the subnet management system through the NE
management system. Besides, the NE management layer can provide Corba
interfaces to the network management layer.
2.
Interface Description
1) Q
interface:
X
In Fig. 1.2-4, it is the interface between the Agent and Manager, that is, the
interface between the NCP board and the computer where the Manager program
exists. It conforms to the TCP/IP protocol.
2) F interface:
In Fig. 1.2-4, it is the interface between the GUI and Manager, that is, the
interface between the GUI and the computer where the Manager program exists.
It conforms to the TCP/IP protocol.
3) f interface:
In Fig. 1.2-4, it is the interface between the Agent and LMT, that is, between the
NCP board and the maintenance terminal that is configured with the
corresponding network management software. The interface conforms to the
TCP/IP protocol.
4) S interface:
In Fig. 1.2-4, it is the interface between the Agent and the MCU, that is, the
communication interface between the NCP and other boards. The S interface
adopts HDLC-based point-to-point communication.
5) ECC interface
As shown in Fig. 1.2-4, it is the interface between two Agents, that is, the
communication interface between NEs. It adopts DCC to implement
communication and can support both user-defined communication protocol and
standard protocol. It implements the bridge function on the Agent.
For the detailed description of the network management software, please refer to
relevant network management manuals.
1-11
Chapter 1 System Overview
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