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Real-time analysis method of multi-segment link network and bypass packet capturing system

A real-time analysis and network technology, applied in the field of network information, can solve the problems of configuration protocol analysis method, multi-segment protocol characteristics cannot be determined in advance, and multi-segment protocol communication content cannot be analyzed, etc., to achieve the effect of improving analysis ability and analysis speed.

Active Publication Date: 2021-07-09
神州灵云(北京)科技有限公司
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Problems solved by technology

[0003] Therefore, when using the existing bypass packet capture system to analyze multi-segment protocols, since the characteristics of the above-mentioned multi-segment protocols cannot be determined in advance, and it is impossible to configure all protocol analysis methods when the packet capture system is started, the bypass packet capture system does not In the case of an interruption, the communication content of the multi-segment protocol cannot be completely analyzed, but only the pcap data packet (a kind of Python data) saved at regular intervals can be used for backtracking analysis
After the backtracking analysis is completed, the bypass packet capture system has completed the operations of capturing, analyzing, writing to disk and reading data packets from the pcap file for multiple data packets at this time, and has experienced at least two operations Disk read and write operations, which leads to the poor real-time performance of the existing bypass packet capture system for multi-segment protocol analysis

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[0019] In order to make the object, technical solution and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0020] It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are to distinguish two entities with the same name but different parameters or parameters that are not the same, see "first" and "second" It is only for the convenience of expression, and should not be construed as a limitation on the embodiments of the present invention, which will not be described one by one in the subsequent embodiments.

[0021] In order to solve the problem of poor real-time analysis capability for multi-segment connection networks in the prior art, the present invention proposes a real-time analysis method for multi-segment connection networks. The real-time analys...

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Abstract

The invention provides a real-time analysis method of a multi-segment link network and a bypass packet capturing system. The method comprises the steps: establishing a plurality of work queues and configuring a predefined storage space for each work queue, wherein a plurality of analysis strategies used for analyzing the multi-segment link network protocol are stored in the predefined storage spaces; capturing a data packet in the multi-segment link network in real time, and distributing a working queue for the data packet according to a preset distribution strategy; calling, by the work queue distributed to the data packet, a corresponding analysis strategy in a predefined storage space to analyze the data packet according to a cache link in the current cache; and in response to the quintuple information of the next-stage link obtained by the data packet, updating the cache link in the corresponding working queue cache according to a preset allocation strategy. According to the method, the cache links in the caches of the corresponding working queues are updated in advance by configuring the plurality of working queues, so that real-time analysis of the multi-segment link network is realized, and the analysis capability and the analysis speed are improved.

Description

technical field [0001] The invention relates to the technical field of network information, in particular to a real-time analysis method of a multi-segment link network and a bypass packet capture system. Background technique [0002] In a network composed of multi-segment links (with multiple communication protocols), a complete communication process may involve multi-segment protocols of multi-segment links. [0003] Therefore, when using the existing bypass packet capture system to analyze multi-segment protocols, since the characteristics of the above-mentioned multi-segment protocols cannot be determined in advance, and it is impossible to configure all protocol analysis methods when the packet capture system is started, the bypass packet capture system does not In the case of an interruption, the communication content of the multi-segment protocol cannot be completely analyzed, but the backtracking analysis can only be performed by periodically saving the pcap data pac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08H04L12/863
CPCH04L69/22H04L47/50H04L67/568
Inventor 石天磊方奕
Owner 神州灵云(北京)科技有限公司
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