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Feature database generation method and device as well as corresponding flow sorting method and device

A database and flow technology, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve problems such as high system performance and affecting online service quality, and achieve the effect of optimizing flow matching depth and efficiency

Active Publication Date: 2019-03-01
CHINANETCENT TECH
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, this method has the following disadvantages: In the above identification process, for the DPI device operating on the network optimization platform, it is the passive receiver of traffic, that is, real-time analysis of traffic when it arrives, and the system's hardware performance and internal Logical efficiency puts high demands on
Moreover, the future trend of network traffic will inevitably develop in the direction of greater bandwidth demand. In the case of heavy traffic, feature matching will consume high system performance and may affect the quality of online services.

Method used

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  • Feature database generation method and device as well as corresponding flow sorting method and device
  • Feature database generation method and device as well as corresponding flow sorting method and device
  • Feature database generation method and device as well as corresponding flow sorting method and device

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Embodiment Construction

[0037] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0038] refer to figure 1 As shown, the embodiment of the present invention proposes a feature database generation device 1 for realizing the feature database generation method. In this embodiment, the feature database generating device 1 may be a DPI device or other electronic devices with computing functions.

[0039] The feature database generation device 1 includes: a memory 11 , a proc...

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Abstract

The invention discloses a feature database generation method. The method comprises the following steps: extracting target flow corresponding to a target application; initially classifying the target flow under a preset dimension; extracting features from the classified target flow, and matching the extracted features with a saved history feature database in order to perform function prejudgment onthe target flow; generating an analysis tree specific to the target flow by taking each pre-judgment result as a branch; and generating a new feature database according to the analysis tree. The invention also provides a feature database generating device as well as a flow sorting method and device applying the feature database. Through adoption of the feature database generation method and device as well as the flow sorting method and device, the flow matching accuracy and efficiency can be optimized according to feature matching during flow sorting of the feature database.

Description

technical field [0001] The present invention relates to the technical field of network optimization and traffic identification, in particular to a method and device for generating a feature database, and a method and device for sorting traffic. Background technique [0002] With the great popularization of the Internet in recent years and the diversification of the application market, the personalized needs of users have also increased. This requires the network optimization platform to have the ability to operate in a refined manner, and to manipulate, adjust, and optimize network resources in a smaller granularity. At present, a large number of services of different natures are encapsulated on the standard IPV4 protocol, and the preliminary traffic identification only relying on the third and fourth layer protocols is far from meeting the demand. Deep Packet Inspection (DPI) equipment is used to further identify Features over four floors. The common access mode of DPI equ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26
CPCH04L43/026H04L43/028
Inventor 方君婷
Owner CHINANETCENT TECH
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