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A real-time analysis and monitoring method and system for a network broadcast packet

A real-time analysis and network broadcasting technology, applied in the network field, can solve problems such as inability to accurately predict broadcast storms, false alarms, and no unified standard for broadcast packet thresholds, and achieve the effect of avoiding network performance degradation and simple judgment basis

Inactive Publication Date: 2019-06-25
CHINA TOBACCO ZHEJIANG IND
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the different network scales and network applications, there is no uniform standard for the broadcast packet threshold, which often causes many false positives, and it is impossible to accurately predict whether a broadcast storm will occur.

Method used

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  • A real-time analysis and monitoring method and system for a network broadcast packet
  • A real-time analysis and monitoring method and system for a network broadcast packet

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Embodiment Construction

[0029] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0030] Such as figure 2 As shown, the present invention provides a kind of real-time analysis and monitoring method of network broadcast packet, and this method comprises the following steps:

[0031] 1) Obtain network traffic data from the network through network mirroring technology;

[0032] 2) Extract the broadcast packets from the network traffic data, and count the broadcast packet data every five minutes as a time unit. There are 288 data collection points every day, and the broadcast packet quantity values ​​are respectively y 1 ,y 2 ,...,y 288 ;

[0033] 3) for each y i , collect 90 days of data y i，1 ,y i，2 ,...,y i，90 , and take the mean:

[0034] 4...

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Abstract

The invention provides a real-time analysis and monitoring method for a network broadcast packet. The method comprises the following steps: A, acquiring historical data of broadcast packets in a network, and carrying out binomial curve fitting according to a principle of a least square method in a binomial theorem so as to obtain normal ranges which should be possessed by the broadcast packets indifferent time periods in the network; and B, comparing the number of broadcast packets obtained in real time with a binomial fitting line, and deviating from the normal range of the broadcast packetsin different time periods in the network obtained in the step A to judge that the number of the broadcast packets is abnormal, i.e., broadcast storms are generated. According to the method, the defects that a threshold value needs to be set in advance when broadcast packet data are abnormal and false alarm is caused due to inaccurate threshold value are overcome.

Description

technical field [0001] The invention belongs to the field of network technology, in particular to a method and system for real-time analysis and monitoring of network broadcast packets. Background technique [0002] The broadcast packet is a "one-to-all" communication mode between hosts. The network unconditionally copies and forwards the signals sent by each host, and all hosts can receive all information. Due to its unique properties, it is widely used in network protocols. For example, the ARP protocol obtains the MAC address of the host through broadcast packet technology. However, when there is too much broadcast data, the network cannot be processed, and a large amount of network bandwidth is occupied, causing normal business operations to fail, or even completely paralyzed, and a "broadcast storm" occurs. "Broadcast storm" is an attack method commonly used by hackers and network viruses, and it is a key prevention and management work in network management. In the pa...

Claims

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Application Information

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IPC IPC(8): H04L12/26H04L12/721H04L29/06H04L12/18
Inventor 李威杜旋董惠良姜学峰李健俊汪炎平王正敏
Owner CHINA TOBACCO ZHEJIANG IND
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