Router link updating method, router and storage medium

An update method and router technology, applied in the communication field, can solve problems such as route learning failure and traffic interruption

Active Publication Date: 2021-06-25
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during the link state information change process, there may be problems such as route learning failure and traffic interruption

Method used

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  • Router link updating method, router and storage medium
  • Router link updating method, router and storage medium
  • Router link updating method, router and storage medium

Examples

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Embodiment Construction

[0017] In order to make the purpose, technical solution and advantages of the application clearer, the embodiments of the application will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0018] In addition, in the embodiments of the present application, words such as "optionally" or "exemplarily" are used as examples, illustrations or illustrations. Any embodiment or design solution described as "optional" or "exemplary" in the embodiments of the present invention shall not be interpreted as being more preferred or more advantageous than other embodiments or design solutions. Rather, the use of words such as "optionally" or "exemplarily" is intended to present related concepts in a concrete manner.

[0019] Such as figure 1 As shown, in the scenario of a network composed ...

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PUM

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Abstract

The invention provides a router link updating method, a router and a storage medium. The method is applied to a network comprising at least three routers, and the method comprises the following steps: after any router detects that a current network state is changed, and updating network link state information according to the changed network state, wherein at least three routers select one router as the router pointing to the virtual designated router DR, any router is the router pointing to the virtual DR, or any router is the router controlled by other routers pointing to the virtual DR. In this way, when the network state changes, the virtual DR can shield changes in the network, so that other routers in the network do not refresh related link state information pointing to the virtual DR.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a router link update method, a router and a storage medium. Background technique [0002] In the communication network, many protocols adopt the designated router (Designated Router, DR) mechanism. For example, in the multi-access network, all routers only exchange messages with the elected DR, so as to avoid all routers from pair to pair. Packet interaction brings a large number of redundant packets. Similarly, DR mechanisms are also introduced in link state routing protocols, Open Shortest Path First (OSPF), and Intermediate System-to-Intermediate System (ISIS). In addition, the OSPF protocol also introduces a backup designated router (Backup Designated Router, BDR) mechanism. When the DR fails, the BDR can immediately take over the failed DR to perform the DR's duties. [0003] However, when a router generates a link pointing to the DR in the link state ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/751H04L45/02
CPCH04L45/02H04L45/03
Inventor 何建军
Owner ZTE CORP
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