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Message processing method and device

A message processing and message technology, applied in digital transmission systems, data exchange networks, electrical components, etc., can solve problems such as consuming system resources

Inactive Publication Date: 2013-08-28
HUAWEI DIGITAL TECH (CHENGDU) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the inventor found that: in the prior art, the DPI device needs to cache all the three-way handshake messages, thus consuming a lot of system resources

Method used

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  • Message processing method and device

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Embodiment Construction

[0029] Hereinafter, the implementation of the message processing method and device according to the embodiments of the present invention will be described in detail in conjunction with the accompanying drawings. In addition, the methods and devices in the following embodiments are applicable to any mirroring or forwarding equipment that needs to perform mirroring or forwarding processing, such as DPI equipment, routers, switches, etc., and the following embodiments only use DPI equipment as an example for illustration.

[0030] image 3 It is a schematic flow chart of a message processing method according to an embodiment of the present invention, such as image 3 shown, including:

[0031] Step 301: receiving the TCP three-way handshake message of the data flow, and performing negotiation processing;

[0032] Step 302: Receive the data message of the data flow, and perform application layer protocol identification on the data flow according to the data message, so as to det...

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PUM

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Abstract

The embodiment of the invention discloses a message processing method and device. The method comprises the following steps of: receiving three-time TCP (Transmission Control Protocol) handshake messages of a data stream and performing negotiation processing; receiving a data message of the data stream and carrying out application layer protocol identification on the data stream so as to judge an application layer protocol corresponding to the data stream according to the data message; judging whether the data stream needs mirroring or steering processing according to the application layer protocol; if not, not establishing a TCP effective session table entry on preset third-party equipment; if so, performing mirroring or steering processing on the data stream. With the method and the device, the resource loss of DPI (Data Processing Installation) can be reduced.

Description

technical field [0001] The invention relates to message processing technology, in particular to a message processing method and device. Background technique [0002] Packet mirroring technology means that after a device on the network receives a packet, it judges whether the packet conforms to a certain preset rule, copies the packet that conforms to the preset rule, and then transfers the packet from the designated physical port. The technology of message forwarding is described. At present, network devices such as switches and routers have this function. The switch supports port-based packet mirroring, and the router supports packet mirroring based on the access control list (ACL). Such as figure 1 As shown, a flow monitoring device (DPI) device is given a process of message mirroring processing. When the DPI device receives the message, if the message meets certain rules, such as the message belongs to the hyperfile transfer protocol (HTTP ) protocol, the message will ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08H04L12/801H04L45/52
Inventor 都林张杨
Owner HUAWEI DIGITAL TECH (CHENGDU) CO LTD
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