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Method and controller for traffic engineering in a communication network

A communication network and traffic engineering technology, applied in the field of traffic engineering, methods and controllers, can solve problems such as difficult to achieve TE control

Active Publication Date: 2020-08-25
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is difficult to realize TE control according to the original algorithm based on the whole network

Method used

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  • Method and controller for traffic engineering in a communication network
  • Method and controller for traffic engineering in a communication network
  • Method and controller for traffic engineering in a communication network

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Embodiment Construction

[0243] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0244] It should be understood that the examples of the present invention can be applied to various communication networks (especially referring to the network layer of the communication system), for example: IP network (IP network), based on multi-protocol label switching network (MPLS-based network), ad hoc network (Ad hoc network) -hocnetwork), Information Centric Network (Information Centric Network), Content Distribution Network (ContentDistribution Ne...

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Abstract

Embodiments of the present invention provide a method and controller for traffic engineering in a communication network, the communication network includes a controller and multiple nodes, the multiple nodes include flexible nodes and non-flexible nodes, the flexible node and the The controller is directly connected, and the non-flexible node is indirectly connected to the controller. The method includes: the controller determines at least one sampling node and the time frequency of flow sampling from the flexible node, and the controller notifies the at least one sampling node to Flow sampling is performed at the time frequency, and flow sampling data of all sampling nodes are received for each sampling; the controller is based on the flow sampling data of each sampling and the link utilization rate in the communication network being higher than a first preset value Or the total flow information of the link which is lower than the second preset value determines the parameter information required by traffic engineering; the controller performs traffic engineering control according to the parameter information. The embodiments of the present invention can realize TE control under limited sampling.

Description

technical field [0001] The invention relates to the communication field, in particular to a method and controller for traffic engineering in a communication network. Background technique [0002] Network traffic engineering (Traffic Engineering, TE) is a method to control network traffic to achieve certain specific goals of network integrity, such as optimizing network utilization, balancing network utilization, reducing network congestion, and reducing network load. technology. [0003] To achieve this overall goal of the network, the most common implementation method of TE is to first estimate (or count) the connection requirements of all sources and destinations in the entire network, and further use various routing mechanisms (or network protocols), according to TE objectives are optimized. As the scale of the network grows day by day, the computational complexity of the original TE method is huge, and the feasibility of performing all the steps of the TE is very low. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/801H04L12/26H04L45/02H04L45/42
CPCH04L43/024H04L45/02H04L41/0823H04L43/0882H04L47/00H04L41/142H04L43/12H04L41/12H04L45/64H04L45/70H04L45/42H04L41/16H04L43/022H04L47/125H04L45/123H04L41/0895H04L41/40H04L43/20H04L43/026H04L43/0888
Inventor 许树荣张弓
Owner HUAWEI TECH CO LTD
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