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Network topology discovery method and device

A network topology and discovery method technology, which is applied in the field of network topology discovery methods and devices, can solve the problems of connection relationship uncertainty, incomplete data, and affecting the accuracy of network topology, and achieve the effect of overcoming inaccurate network topology

Inactive Publication Date: 2018-01-26
ALIBABA GRP HLDG LTD
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Problems solved by technology

[0004] The SNMP-based network topology discovery method requires the establishment of an SNMP network management operating environment, and the SNMP function needs to be enabled on the device. However, in the actual network environment, the SNMP function on some devices is often not enabled, which will cause network topology problems. The data required for discovery is incomplete, resulting in uncertainty in the discovered connection relationship, which affects the accuracy of the network topology

Method used

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Embodiment approach

[0123] In a specific implementation manner, the network topology discovery may be performed according to two kinds of protocol data, the neighbor discovery protocol data and the LSDB. Specifically, such as Figure 4 As shown, an implementation manner of the above-mentioned step 103 includes the following steps:

[0124] 1031. Perform topology discovery according to NDP data, to obtain information about devices that enable NDP in the network and connection information between devices that enable NDP to form first network topology information.

[0125] As can be seen from Table 1 above, the NDP data includes, but is not limited to: the system name of the device where the NDP data resides, the port id of the device where the NDP data resides, the system name and port of the neighbor device connected to the device where the NDP data resides id, etc.

[0126] Based on the neighbor discovery protocol data, all devices that enable the neighbor discovery protocol can be discovered t...

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Abstract

The application discloses a network topology discovery method and device. The method comprises the following steps: acquiring at least two network protocol data existing in a network and capable of reflecting adjacency relation between adjacent network equipment, wherein at least two protocol data comprises link state database; performing network topology discovery according to at least two protocol data so as to acquire the network topology of the network. By using the method and device disclosed by the application, the network topology discovery can be performed, and the precision ratio of the network topology is improved.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to a method and device for discovering network topology. Background technique [0002] With the development of cloud computing and big data, Internet Data Center (IDC) is ushering in the construction climax. With the soaring cost of IDC construction, the focus of IDC management began to shift to optimize IDC infrastructure. In the process of network optimization, the network topology is an important basic data. Only by mastering the network topology can traffic engineering, network optimization and simulation experiments be carried out. [0003] Usually, the network topology is expressed as the connection relationship among the devices in the network. The principle of network topology discovery is to use the protocol to collect the information of each device in the network, and generate a complete topology structure through a certain algorithm to display the...

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Application Information

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IPC IPC(8): H04L12/24
Inventor 许刚陈立波
Owner ALIBABA GRP HLDG LTD
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