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Path planning method, device and system

A technology for planning paths and paths, applied in the field of communication, can solve problems affecting the quality of path data transmission, achieve good data transmission quality, improve data transmission quality, and ensure the effect of data transmission quality

Inactive Publication Date: 2019-06-14
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems that may occur in related technologies that may affect the data transmission quality of the path, this application provides a method, device and system for planning paths

Method used

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  • Path planning method, device and system
  • Path planning method, device and system

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Embodiment Construction

[0060] The embodiment of the present application provides a method for planning a path, and the method can be implemented jointly by a control management device and a network device. Wherein, the control manager can be deployed on the network management side to manage each network device in the network, and the network device can be a routing device deployed on a different network layer, such as a base station side gateway (Cell Site Gateway, ASG), a convergence side gateway ( One or more of Aggregation Site Gateway, ASG) and Radio Service Gateway (Radio Service Gateway, RSG). Intercommunication based on the Border Gateway Protocol Link-State (BGP-LS) protocol can be established between the control management device and each network device in the network it controls, and each network device in the network Interworking of an interior gateway protocol (Interior Gateway Protocol, IGP) may be established. The above-mentioned path may be a data transmission path such as a tunnel. ...

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Abstract

The invention discloses a path planning method, device and system, and belongs to the technical field of communication. The method comprises: a control management device receiving a first message sentby a first network device, the first message carries first indication information, and the first indication information is used for indicating first link state information of a first link between thefirst network device and a second network device; the control management device determines that the first link satisfies a link invalid condition according to the first indication information; and the control management device determines a first path, wherein the first path does not pass through the first link. According to the invention, the data transmission quality of the path can be improved.

Description

technical field [0001] The present application relates to the technical field of communication, and in particular to a method, device and system for planning a route. Background technique [0002] In the field of communication technology, before data transmission between network devices, a path for data transmission between network devices is often planned, and a tunnel is one of the data transmission paths. At present, the tunnel technology is widely used in the communication field. A tunnel is a data transmission path connected by at least one link between a source network device and a destination network device. When establishing a data transmission tunnel, a certain path calculation algorithm can be used to select the links forming the tunnel. In the network, different tunnels can be established for different services to realize data transmission of corresponding services. [0003] In actual use, due to problems such as aging and damage, some links may have problems s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/721H04L45/243
CPCH04L45/123H04L45/124H04L45/24H04L45/121
Inventor 张广强朱永庆陈华南
Owner HUAWEI TECH CO LTD
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