A method and device for identifying and limiting network traffic

A technology of network traffic and network equipment, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve the problems of network line transmission interruption, economic losses of network operators, etc., and achieve the effect of reducing network traffic

Inactive Publication Date: 2012-06-27
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the flow analysis and current limiting devices are connected in series in the network, the reliability of the device cannot be 100%. Once the device fails, restarts or crashes, the transmission of the entire network line will be interrupted, which may cause serious damage to the network operator. cause huge economic losses

Method used

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  • A method and device for identifying and limiting network traffic
  • A method and device for identifying and limiting network traffic
  • A method and device for identifying and limiting network traffic

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0034] Devices used to identify and limit network traffic, such as image 3 shown, including:

[0035] The mirroring device 301 is used to copy a copy of the network traffic in the network and send it to the identification device 302. The mirroring device can be a spectrometer or a network device with a port mirroring function;

[0036] The identification device 302 is configured to receive the network traffic sent by the mirroring device 301, identify it according to the message port or application traffic characteristics of the network traffic, and send the identification result to the judging device 303, and at the same time, the type information of the network traffic Send to the end message generating device 304;

[0037] Judging means 303, configured to compare the identification result of the identifying means 302 with a limited speed, and if the speed of the network traffic exceeds the limited speed, send an end signal to the interference means 306;

[0038] End mess...

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PUM

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Abstract

The utility model discloses a method and a current limitation device to realize the method for network traffic identification and current limitation, belonging to the technical field of network traffic control, which is characterized in that the current limitation device accesses network in the form of adjacent hanging and that network traffic is copied and sent to the current limitation device which analyzes the network traffic and that if the network traffic exceeds a limited speed, the current limitation device sends an ending message to a network device to end the transmission of the network traffic or to reduce the network transmitting speed. The utility model is realized by the current limitation device connected with the network in the form of adjacent hanging and the real network traffic which has to arrive to a destination end does not pass the current limitation device, so the forwarding performance of the network traffic in the network is not affected and the network is notdelayed. Even if the current limitation device goes wrong, only the network traffic identification and current limitation service is affected without the interruption of the network.

Description

technical field [0001] The invention relates to the technical field of network flow control, in particular to a method for identifying and limiting network flow. The invention also relates to a device for identifying and limiting network traffic. Background technique [0002] Due to the popularity and development of the current network, various network applications have emerged. However, the growth of network bandwidth cannot meet the bandwidth required by the growth of user groups. Some network users use the network to transmit a large amount of illegal traffic, which increases the cost for network operators and affects the use of other users. Therefore, operators urgently hope to accurately control various traffic in their own networks, ensure normal application traffic, and limit illegal traffic. As a result, flow detection and identification and current limiting equipment have been produced. [0003] In order to limit the traffic in the network, it is necessary to set...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L29/06
Inventor 毛世峰张日华齐志张进军
Owner HUAWEI TECH CO LTD
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