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Path scheduling method, device and computer-readable storage medium

A scheduling method and scheduling device technology, applied in the field of data communication, can solve problems such as forwarding black holes, path congestion, and path policies that cannot be rolled back in time, and achieve the effect of solving path congestion or forwarding black holes

Active Publication Date: 2021-08-31
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The inventors of the present disclosure have discovered the following problems in the above-mentioned related technologies: once a path fails, the path policy cannot be rolled back in time, resulting in path congestion or forwarding black holes

Method used

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  • Path scheduling method, device and computer-readable storage medium
  • Path scheduling method, device and computer-readable storage medium
  • Path scheduling method, device and computer-readable storage medium

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Embodiment Construction

[0024] Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.

[0025] At the same time, it should be understood that, for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship.

[0026] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way intended as any limitation of the disclosure, its application or uses.

[0027] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of t...

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Abstract

The present disclosure relates to a path scheduling method, device and computer-readable storage medium, and relates to the technical field of data communication. The method includes: collecting link state information of the entire network to establish an LSDB; determining each candidate path between a source node and a target node according to the LSDB; constructing a link group of each hop in each candidate path, and determining according to the LSDB The resource utilization and survival status of each link group; real-time dynamic monitoring of the resource utilization of the link group exceeds the preset threshold or the survival status is interrupted, and the alternative path where the link group is located is rolled back. The method and device can realize the automatic fallback of the faulty path, thereby solving the problem of congestion or forwarding black hole caused by path scheduling.

Description

technical field [0001] The present disclosure relates to the technical field of data communication, and in particular to a path scheduling method, a path scheduling device, and a computer-readable storage medium. Background technique [0002] An IP network may define an optimal path through a metric value (metric) of an IGP (Interior Gateway Protocol, Interior Gateway Protocol). However, due to business development and distribution changes, the utilization of network link resources will be unbalanced. [0003] BGP (Border Gateway Protocol, Border Gateway Protocol) is a routing protocol of an autonomous system running on TCP (Transmission Control Protocol, Transmission Control Protocol), and can properly handle multi-path protocols between unrelated routing domains. Therefore, for the target network, the optimal path can be adjusted by modifying the BGP attribute value to achieve the purpose of resource optimization. Contents of the invention [0004] The inventors of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/711H04L12/721H04L12/801H04L45/247
Inventor 刘志华卢泉贾曼黄卓君孙嘉琪杨广铭尹远阳
Owner CHINA TELECOM CORP LTD