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Network signaling monitoring method and device

A signaling monitoring device and network technology, applied in the field of network communication, can solve the problems of losing TCP segments, rough methods, and TCP segments affecting the accuracy of network signaling, etc., to achieve the effect of improving accuracy and defining accurately

Active Publication Date: 2012-10-31
CHINA MOBILE GROUP ZHEJIANG
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Problems solved by technology

[0012] In order to adapt to a wider range, this method uses the TCP segment as the judgment granularity to define the PDU, but this method is too rough; because the beginning of the obtained TCP segment data content is rarely just the beginning of the PDU, and even if it is found The beginning part of the data content of a certain TCP segment happens to be the beginning part of the PDU, and many TCP segments will be lost, which will affect the accuracy of network signaling monitoring

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Embodiment Construction

[0026] 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 embodiments and accompanying drawings.

[0027] In order to describe the aspect, similarly, the currently analyzed upper-layer protocol based on the TCP bearer is represented by ProtoA. Based on the structural characteristics of ProtoA PDU, the present invention uses the characteristics of ProtoA PDU to match the content of TCP segment data byte by byte, and refines the judgment granularity. see figure 1 , is a schematic flow chart of the network signaling monitoring method of the present invention, the method includes the following steps:

[0028] Step 101, cache the data content of the TCP segment.

[0029] After receiving the TCP segment to be analyzed, you can directly cache the data content of the TCP segment; you can also track the establishment process of the TCP flow, first moni...

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Abstract

The invention provides a network signaling monitoring method and device, wherein the method comprises the following steps of: caching data content of a transmission control protocol (TCP) section; using characteristics of a packet data unit (PDU) to match with the cached data content of the TCP section byte by byte, and if the matching is successful, defining a starting point of the PDU and determining the PDU; and performing decoding analysis on the determined PDU. According to the scheme disclosed by the invention, the accuracy in network signaling monitoring can be improved.

Description

technical field [0001] The invention relates to network communication technology, in particular to a network signaling monitoring method and equipment. Background technique [0002] The IP Multimedia Subsystem (IMS, IP Multimedia Subsystem) is the core technology of the next generation network, and most of the application layer protocols involved in the IMS domain are carried by the Transmission Control Protocol (TCP, Transmission Control Protocol). [0003] TCP is a connection-oriented transport layer protocol. Although TCP does not belong to the protocol set formulated by the International Organization for Standardization (ISO, International Organization for Standardization), it has become a de facto network standard due to its successful application in business and industry. , widely used in communication between various network hosts. [0004] It is an important means to analyze the TCP flow of each interface of the IMS through network signaling monitoring to maintain t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26
Inventor 戴力杨海龙陈维新
Owner CHINA MOBILE GROUP ZHEJIANG
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