Data flow classification method and message forwarding equipment

A technology of message forwarding and classification methods, which is applied in the field of communication, can solve problems such as time-consuming and labor-intensive, and achieve the effects of improving flexibility, improving feasibility and flexibility, and improving accuracy

Active Publication Date: 2020-11-17
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004]Due to the prior art, the recognition rules used by DPI devices to classify traffic need to be summarized and obtained by technical personnel, which is time-consuming and laborious

Method used

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  • Data flow classification method and message forwarding equipment
  • Data flow classification method and message forwarding equipment
  • Data flow classification method and message forwarding equipment

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Experimental program
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Embodiment Construction

[0042] Distinguishing or identifying data streams belonging to different applications in aggregated traffic can facilitate network management, such as providing different service guarantees for traffic of different applications.

[0043] Usually, DPI technology is used to classify data streams by application. During the process of traffic forwarding, the DPI device extracts traffic features based on the byte information in the data stream, and then matches the extracted traffic features with the preset identification rules to obtain classification results. Since the identification rules used by DPI devices to classify traffic need to be summarized and obtained by technicians, it is time-consuming and laborious, and it is difficult to meet the problem of unidentifiable data streams caused by application updates. In addition, since the extraction of traffic characteristics is based on the byte information in the data stream, it is difficult to extract the traffic characteristics...

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Abstract

The embodiment of the invention discloses a data flow classification method, which is applied to message forwarding equipment between an internal network and the Internet. The method provided by the embodiment of the invention comprises the following steps: message forwarding equipment acquires a plurality of data streams, and extracts address information and time information of each data stream in the plurality of data streams; according to the source IP address of each data stream, a data stream set generated is screened when a first client device accesses the plurality of services from theplurality of data streams; according to the destination IP address and the destination port number of each data stream in the data stream set, a service set which is accessed by the first client device and comprises a first service and a second service is confirmed; the correlation among services is determined in the service set according to the time information of each data flow in the data flowset so that first service and second service are used for realizing a first application. therefore, the message forwarding device determines that the data streams corresponding to the first service and the second service are the data streams of the first application.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a method for classifying data streams and a message forwarding device. Background technique [0002] There are a variety of enterprise private applications in a software defined wide area network (SD-WAN) scenario, and it is important for network management to identify which application data is carried in network traffic. [0003] A deep packet inspection (deep packet inspection, DPI) technology is applied to perform application classification on data streams. During the process of traffic forwarding, the DPI device extracts traffic features based on the byte information in the data stream, and then matches the extracted traffic features with the preset identification rules to obtain classification results. [0004] In the prior art, the identification rules used by the DPI device to classify the traffic need to be summed up and obtained by technical personn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26H04L29/06G06K9/62
CPCH04L43/026H04L69/22G06F18/23213G06F18/23G06F18/24H04L41/5054H04L41/16H04L47/2441H04L47/2475H04L61/4511H04L41/40H04L45/74H04L47/24
Inventor 邱亚平罗奇华卓隽王璐
Owner HUAWEI TECH CO LTD
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