Network management system and method of guaranteeing normal communication

A network management system and network management technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve problems such as inability to obtain network element information, network management system paralysis, and failure of network management Proxy to automatically recover, achieving functional expansion. Convenience and the effect of improving safety and reliability

Inactive Publication Date: 2008-04-09
ZTE CORP
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Problems solved by technology

[0005] On the one hand, the network management proxy becomes the hub of communication between the NMS and each SNMP Agent. Once the network management proxy fails and stops working, the entire network management system will be paralyzed, and the NMS will not be able to obta

Method used

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  • Network management system and method of guaranteeing normal communication

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Example Embodiment

[0028] The basic idea of ​​the present invention is: on the basis of the original network management system model, a backup network management Proxy is added, and a heartbeat line is connected between the backup network management Proxy and the main network management Proxy. In a normal state, the backup network management Proxy passes the detection of the main network management The heartbeat Trap sent by the proxy monitors the status of the main network management proxy in real time. When the main network management proxy is found to be invalid, it will automatically switch to the main network management proxy, notify the NMS in time and reset the destination address of the SNMP agent to make the original backup network management. Proxy, as the new main network management proxy, completes the communication between the NMS and each managed network element device. Here, the heartbeat trap is a kind of trap in the SNMP protocol.

[0029] Figure 1 shows the composition structure of...

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Abstract

The invention discloses a network management system and a method for ensuring the normal communication thereof. A backup network management Proxy is added. Under normal conditions, the backup network management Proxy monitors in real-time the state of a main network management Proxy; when detecting the main network management Proxy is invalid, the backup network management Proxy automatically is switched to the main network management Proxy and promptly notifies a network management station (NMS) and resets a destination address of a simple network management protocol agent (SNMP Agent), to allow the communication between the NMS and each SNMP Agent via a new network management Proxy. Therefore, the invention can detect the invalidity of the network management Proxy in time and automatically switch the network management Proxy, so as to rapidly recover the normal communication function of the network management system and thus to improve the safety and reliability of the network management system communication.

Description

technical field [0001] The invention relates to network management technology, in particular to a network management system based on network management Proxy backup and a method for ensuring its normal communication. Background technique [0002] With the rapid development of the network, almost all network communication devices have the network management function of the Simple Network Management Protocol (SNMP, Simple Network Management Protocol). The traditional SNMP network management system consists of a network management workstation (NMS, Network Management Station) It is composed of a network management agent (SNMP Agent) running on the managed network element device, and the SNMP Agent communicates with the NMS through the standard SNMP protocol. [0003] In order to solve problems such as inter-private network and NMS centralized management, the method of deploying network management Proxy is widely used in the existing SNMP network management system. Specifically...

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Application Information

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IPC IPC(8): H04L12/24H04L1/22H04L29/06
Inventor 廖翔陈俊卓必强
Owner ZTE CORP
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