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Data stream recognizing and outlet equipment

An identification method and technology for exporting equipment, applied in the field of communication, can solve the problems of high consumption, low identification efficiency, performance bottleneck, etc., and achieve the effects of reducing performance consumption, improving identification speed, and improving the first packet identification rate

Active Publication Date: 2017-03-15
RUIJIE NETWORKS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the recognition efficiency of these two methods is generally low, the first packet recognition rate is low, and a large amount of CPU is required to process, and the performance is likely to become a bottleneck

Method used

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  • Data stream recognizing and outlet equipment
  • Data stream recognizing and outlet equipment
  • Data stream recognizing and outlet equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] The method in this embodiment is applied to an export device, and its application in a certain scenario is as follows: figure 1 As shown; wherein, when the local service application library record of each export device has established a new record to update the local service application library, then upload the locally updated service application library to the server to update the service application library on the server, and the server uses To store the respective locally updated service application libraries uploaded by the export devices in each network;

[0047] Wherein, the service application library is used to record the mapping relationship of the application type corresponding to the user message. This embodiment provides an implementation of a service application library, as shown in the following table: among them, record the user IP address corresponding to the user message, the service port number, and the corresponding application type identification, va...

Embodiment 2

[0076] This embodiment provides an export device, and its specific implementation structure is as follows image 3 As shown, it can specifically include the following modules:

[0077] Obtaining module 21, which is used to obtain the latest service application library from the server to the local as the local service application library; wherein the latest service application library is formed by the respective locally updated service application libraries uploaded by all export devices in the network ;

[0078] Application identification The application identification module 22 receives the first packet of the newly created flow, and when the first packet does not have a valid record in the local service application library, then performs application identification on the subsequent packets of the newly created flow, wherein , the valid record is that there is a mapping relationship record corresponding to the application type of the first message in the local service applic...

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Abstract

The embodiment of the invention provides a data stream recognizing method and outlet equipment. The data stream recognizing method comprises the following steps: acquiring a latest service application library from a server, and saving the latest service application library locally to serve as a local service application library; and receiving a first message of a newly-established stream, performing application recognition on subsequent messages of the newly-established stream when an effective record of the first message does not exist in the local service application library, and establishing a record to be established in a local service application library record in order to update the local service application library when any one of the subsequent messages of the newly-established stream is matched with any rule in a feature rule library record through the application recognition. From the aspect of an application service providing end, a corresponding relationship between service ports and application types in a network is established dynamically by integration of recognition information among a plurality of piece of equipment on the server by means of cooperation between the server and the outlet equipment in the network, so that the first packet rate of the application recognition is increased; the recognition speed is increased; and the performance consumption of the application recognition is lowered on the whole.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a data flow identification method and an export device. Background technique [0002] With the development of the network, most companies or network application places seldom use a single line as the export. If there are multiple lines, it means that there are quality problems among the lines. For example, the quality of optical fiber lines is better than that of ADSL lines. The following scenarios may occur: [0003] A certain company has two lines, the main optical fiber and the ADSL line. It is hoped that video conferencing, company OA, web page access, etc. will use the main optical fiber, and other services will use ADSL; [0004] In a certain Internet cafe, the main optical fiber is small (because it is expensive), and there are multiple ADSLs (cheap). I hope that only the game will use the main optical fiber, and the others will use ADSL; [0005] The server of...

Claims

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Application Information

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IPC IPC(8): H04L12/851H04L12/859H04L47/2475
CPCH04L47/2475H04L47/2483
Inventor 刘凌峰
Owner RUIJIE NETWORKS CO LTD
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