Flow analysis method based on Linux core
A traffic analysis and kernel technology, applied in the field of traffic analysis based on the Linux kernel, can solve the problems of long development cycle and unrealistic deployment, and achieve the goal of improving efficiency, reducing storage space requirements, reducing memory copy and system call time Effect
Inactive Publication Date: 2005-06-29
INST OF COMPUTING TECH CHINESE ACAD OF SCI
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However, the use of network processors often requires dedicated equipment, the development cycle is long, and large-scale deployment is not realistic.
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[0035] 1. Implement the traffic analysis function, configuration function, and result acquisition API mentioned in the method by means of character device drivers under the Linux kernel.
[0036] 2. Load the character device driver that realizes the traffic analysis function, and configure the traffic analysis function in the kernel according to the provided character device operation API and obtain the analysis results.
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Abstract
A flow analysis method based on Linux kernel is realized by the way of loading the kernel in Linux. The provided monitoring analysis target includes flow rate, link usability, 2-7 layer protocol distribution, rate of different protocols, packets distribution, which can monitor specific kind flows based on the definition rules of different flows and provide related statistic results.
Description
technical field [0001] The invention relates to the technical field of computer network traffic analysis, in particular to design a Linux kernel-based traffic analysis method. Background technique [0002] Traffic indicators are one of the most important indicators for network operation and maintenance, and are the basis for network planning and design, protocol design, service deployment, traffic engineering implementation, attack detection, and fault diagnosis. Through the monitoring and analysis of network traffic, a large amount of network performance information, network service status, and attacks or weaknesses in the network can be obtained. Passive traffic monitoring through packet capture and protocol analysis is the most commonly used method for traffic monitoring to obtain traffic indicators at each protocol level. [0003] In recent years, the network link rate has increased rapidly, and has begun to move from Mbit / s to Gbit / s, and may develop to 40Gbit / s or eve...
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Patent Type & Authority Applications(China)
IPC IPC(8): H04L47/2475
Inventor 杨建华谢高岗李忠诚
Owner INST OF COMPUTING TECH CHINESE ACAD OF SCI
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