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Method and device for inhabiting VPN (Virtual Private Network) tunnel oscillation

A technology of tunnel oscillation and transmission tunnel, which is applied in the field of communication, can solve the problems of reducing network communication quality, not solving oscillation, accelerating oscillation convergence, etc., and achieving the effect of improving network communication quality and reducing impact

Inactive Publication Date: 2010-09-08
深圳市智通天下科技服务有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] In the process of realizing the above VPN tunnel network security backup, the inventors found that at least the following problems exist in the prior art: speeding up the oscillation convergence still does not solve the problem caused by the oscillation itself, and still leads to frequent communication between the active tunnel and the backup tunnel. Switching, reducing the quality of network communication

Method used

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  • Method and device for inhabiting VPN (Virtual Private Network) tunnel oscillation
  • Method and device for inhabiting VPN (Virtual Private Network) tunnel oscillation
  • Method and device for inhabiting VPN (Virtual Private Network) tunnel oscillation

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Embodiment Construction

[0023] The method and device for suppressing VPN tunnel oscillation according to the embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0024] An embodiment of the method for VPN tunnel oscillation suppression of the present invention, such as figure 1 As shown, it is applied to the layer 3 virtual switching network, including:

[0025] S101. Set a suppression threshold and a penalty value for a transmission tunnel.

[0026] The penalty value is used to represent the oscillation degree of the transmission tunnel, and the suppression threshold is a threshold value used to determine whether the transmission tunnel needs to be suppressed. Among them, the suppression threshold and penalty value can be set according to experience or statistical results.

[0027] S102. When the transmission tunnel oscillates, increase the penalty value of the transmission tunnel according to a predetermined rule.

[0028] In this ...

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Abstract

The invention discloses a method and a device for inhabiting VPN tunnel oscillation, which relate to the field of communication and are designed for solving the problem of tunnel oscillation which can not be effectively solved in the prior art. The method provided by the embodiment of the invention comprises the following steps of: setting an inhibition threshold value and a punishment value for a transmission tunnel, when the transmission tunnel is oscillated, increasing the punishment value of the transmission tunnel according to a preset rule, and if the punishment value is equal to or higher than the inhibition threshold value, inhabiting the transmission tunnel; setting a punishment value half life and a reuse threshold value for the transmission tunnel, if the transmission tunnel is not oscillated within the punishment value half life, decreasing the punishment value according to the preset rule, and if the punishment value is equal to or lower than the reuse threshold value, releasing the inhibition for the transmission tunnel. The invention is applicable for a VPN.

Description

technical field [0001] The present invention relates to the communication field, in particular to a virtual private network (Virtual Private Network, VPN) tunnel oscillation suppression method and device. Background technique [0002] With the wide application of virtual private network communication technology, the requirements for communication quality of virtual private network are getting higher and higher. In the current networking scheme, backup is basically taken into consideration, such as tunnel backup, etc. When the primary tunnel fails, it is switched to the backup tunnel to prevent the occurrence of a single point of failure. There is such a fault form in the existing VPN tunnels that the traffic of the active tunnel is continuously disconnected in a short period of time. We call this fault form tunnel oscillation. According to the existing security backup mode, this will cause the active tunnel and the backup Frequent switching between tunnels reduces the quali...

Claims

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Application Information

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IPC IPC(8): H04L12/46H04L12/24
Inventor 张嘉庆
Owner 深圳市智通天下科技服务有限公司
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