Method and device for detecting connection state between network nodes

A network node and connection state technology, applied in the field of communication, can solve the problem of low efficiency of BFD connection

Pending Publication Date: 2021-07-20
HUAWEI CLOUD COMPUTING TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] This application provides a method and device for detecting connection status between netwo

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  • Method and device for detecting connection state between network nodes
  • Method and device for detecting connection state between network nodes
  • Method and device for detecting connection state between network nodes

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Embodiment Construction

[0028] In order to make the objectives, technical solutions and advantages of the present application clearer, the embodiments of the present application will be further described in detail below with reference to the accompanying drawings.

[0029] For ease of understanding, the terms involved in the embodiments of the present application are first explained below.

[0030] Border Gateway Protocol: A routing protocol for autonomous systems (AS) that runs on top of Transmission Control Protocol (TCP) to achieve reachable routes between autonomous systems and select the best route distance vector routing protocol.

[0031]Autonomous System: In the Internet, an autonomous system is a small network unit that has the power to autonomously decide which routing protocol should be used in the system. The network unit can be a simple network or a network group controlled by one or more general network administrators. An autonomous system is sometimes referred to as a routing domain....

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Abstract

The invention discloses a method for detecting a connection state between network nodes, and belongs to the technical field of communication. The method is applied to a first network node, and comprises the following steps: the first network node receives a border gateway protocol BGP neighbor establishment request sent by a second network node, the BGP neighbor establishment request carrying identification information of the second network node, the BGP neighbor establishment request is used for indicating the first network node and the second network node to establish a BGP neighbor relationship; and the first network node establishes a bidirectional forwarding detection (BFD) connection with the second network node according to the identification information of the second network node on the basis of the BGP neighbor relationship established with the second network node so as to use the BFD connection to detect the connection state between the first network node and the second network node. According to the invention, the efficiency of establishing the BFD connection 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 detecting a connection state between network nodes. Background technique [0002] Border Gateway Protocol (BGP) is a distance vector routing protocol that realizes the reachability of routes between autonomous systems (AS) and selects the best route. A BGP neighbor relationship can be established between every two network devices in different autonomous systems, and BGP is used to communicate between the two network devices that have established a BGP neighbor relationship. [0003] In order to ensure the communication quality between two network devices that have established a BGP neighbor relationship, the connection status between the two communication devices is usually detected, and the two network devices are no longer used when the connection status between the two is abnormal. communication between connections. In the rela...

Claims

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Application Information

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IPC IPC(8): H04L12/26H04L29/08
CPCH04L43/0805H04L43/0811H04L67/141H04L67/146
Inventor 伍孝敏房若民
Owner HUAWEI CLOUD COMPUTING TECH CO LTD
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