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Method and forwarding device for ensuring quality of service of virtual private network service

A virtual private network and business service technology, applied in methods and forwarding equipment, to ensure the quality of service of virtual private network business, to solve problems such as business theft, to achieve the effect of reducing network pressure, ensuring business quality, and improving utilization

Active Publication Date: 2012-05-23
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing technology, only the total bandwidth requested by the user is limited, so that the user only purchases a small amount of high-grade service bandwidth, but purchases a large amount of low-grade service bandwidth, thereby carrying out service theft

Method used

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  • Method and forwarding device for ensuring quality of service of virtual private network service
  • Method and forwarding device for ensuring quality of service of virtual private network service
  • Method and forwarding device for ensuring quality of service of virtual private network service

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Embodiment Construction

[0049] The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are illustrated.

[0050] The basic idea of ​​the present invention is to divide the business of the virtual private network into multiple different grades, determine the predetermined bandwidth of each grade of business of the user, and then carry out hierarchical bandwidth limitation on the user business flow according to the grade identification contained in the user business flow speed. The graded bandwidth rate limit of user traffic can be implemented by forwarding devices in the network, and different service quality policies (such as scheduling policies and congestion handling) are adopted for different classes of traffic, so as to ensure the service quality of differentiated services.

[0051] figure 1 It is a flow chart showing an embodiment of the method for guaranteeing the quality of service of a virtual...

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PUM

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Abstract

The invention discloses a method for ensuring the service quality of a virtual private network service and a forwarding device. The method comprises: receiving messages in a user service flow and sorting the messages to different service grades according to grade identifiers in the messages; and carrying out architectural bandwidth speed limitation to the forwarding of the sorted messages according to the reserved bandwidth of services in different grades of users. The method of the invention provides differential service quality for the user service flow.

Description

technical field [0001] The invention relates to a virtual private network technology, in particular to a method and a forwarding device for guaranteeing service quality of virtual private network services. Background technique [0002] The traditional Internet does not consider the differentiation of user needs, the relationship between differentiated services and the healthy development of the network, and the healthy development of enterprises, and its profitability is weak. The provision of differentiated services is the basis for the sustainable and sound development of the Internet. [0003] It has become a consensus in the communication industry to build a multi-service converged bearer network based on Internet Protocol (IP) / Multiprotocol Label Switching (MPLS) technology. Through the multi-service convergence bearer network, it provides Internet IP services for public customers at the same time, and provides quality-guaranteed and safe virtual private network (VPN) ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L12/56H04L12/851
Inventor 徐建锋孙键贾曼陈珣杨广铭史凡刘志华朱华虹曹维华
Owner CHINA TELECOM CORP LTD