Traffic classification method and device based on transport layer characteristics

A traffic classification and transport layer technology, applied in the field of Internet applications, can solve the problems of slow processing speed and large amount of calculation, and achieve the effect of high integrity, good integrity and high accuracy.

Inactive Publication Date: 2011-12-07
四川智联科创科技有限公司
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Problems solved by technology

However, this scheme also has the problems of large amount of calculation and slow processing speed.

Method used

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  • Traffic classification method and device based on transport layer characteristics
  • Traffic classification method and device based on transport layer characteristics
  • Traffic classification method and device based on transport layer characteristics

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Embodiment Construction

[0046] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0047] For a network, within a certain period of time, the transport layer characteristics of various application flows are relatively stable; the transport layer characteristics of flows of the same application type are also very similar; the transport layer characteristics of flows of different application types show certain differences. The data flows generated by different applications have characteristics different from other application flows in the data link layer, network layer, transport layer, and application layer; someone summarized 249 flow characteristics that can be used for flow classification. Therefore, in a relatively stable network environment, by extracting and learning the characteristics of the transport layer of the flow, we can understand the differences between different types of flows, and construct a classifier to ach...

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Abstract

The invention relates to the technical field of Internet application, in particular to a transport-layer-characteristic-based traffic classification method for the Internet application. The method comprises the following steps of: acquiring a data packet which serves as training data, and constructing a classifier by utilizing transport layer characteristics of a data stream extracted from the data packet; and classifying the data stream extracted from a subsequently acquired data packet by utilizing the constructed classifier. The application type of the stream can be identified only by extracting the transport layer characteristics of the stream without knowing load contents such as a port number, a characteristic field and the like of the data packet. The privacy of a user is uninvolved, and a dynamic-port-number-based or encrypted stream can be identified by the technology. Moreover, the method is highly accurate and integral, novel application can be identified and the user can be prompted to check suspected virus attack streams.

Description

technical field [0001] The invention relates to the technical field of Internet applications, in particular to a method and device for classifying traffic based on transport layer characteristics in Internet applications. Background technique [0002] In recent years, information technology has developed by leaps and bounds, network bandwidth has increased rapidly, network capacity has expanded rapidly, and various Internet applications have sprung up. The network structure has changed from traditional client / server (C / S), The browser / server (B / S) mode is gradually turning to the application mode of the P2P structure. Although traditional WWW, FTP, and MAIL services are still indispensable Internet applications, they no longer occupy the dominant position of the Internet; applications such as voice, video, and Internet TV are rapidly becoming popular and gradually becoming mainstream applications that occupy network bandwidth. These mainstream applications not only occupy a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/06
Inventor 钱峰刘萧胡光岷
Owner 四川智联科创科技有限公司
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