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A multi-domain optical network crosstalk attack detection node determination and positioning method

A technology of attack detection and determination method, which is applied in the direction of optical transmission system, electrical components, electromagnetic wave transmission system, etc., can solve the problem of low crosstalk attack positioning accuracy, crosstalk attack detection does not have real-time performance, and does not take into account the real-time performance of multi-domain optical networks. and other problems, to achieve the effect of simple operation and improved accuracy

Active Publication Date: 2020-05-05
ENG UNIV OF THE CHINESE PEOPLES ARMED POLICE FORCE
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AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a multi-domain optical network crosstalk attack detection node determination and positioning method to solve the problem in the prior art that the detection node determination method for multi-domain optical network crosstalk attack does not take into account the real-time However, the detection of crosstalk attacks is not real-time, and the accuracy of crosstalk attack location is low.

Method used

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  • A multi-domain optical network crosstalk attack detection node determination and positioning method
  • A multi-domain optical network crosstalk attack detection node determination and positioning method
  • A multi-domain optical network crosstalk attack detection node determination and positioning method

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Experimental program
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Embodiment 1

[0042] This embodiment discloses a multi-domain optical network crosstalk attack monitoring device placement method.

[0043] In this embodiment, the time series data is used to monitor and detect the entire multi-domain optical network by taking advantage of the fact that the amount of data required for gray modeling is small. The propagation of crosstalk attacks in multi-domain optical networks has the situation of attack power accumulation and crosstalk attack propagation delay. In this embodiment, the gray theoretical model is combined with the attack characteristic value to make the monitoring node placement method real-time. In order to perform real-time crosstalk attack detection.

[0044] The method follows the steps below:

[0045] Step 1. Obtain the source node and destination node in the multi-domain optical network, use the link search algorithm to find multiple links between the source node and the destination node, and obtain a link set; wherein each link includes...

Embodiment 2

[0084] In this embodiment, a multi-domain optical network crosstalk attack positioning method is disclosed, which is executed according to the following steps:

[0085] Step A. Using the multi-domain optical network crosstalk attack monitoring device placement method in Embodiment 1, a plurality of monitoring devices are set in the multi-domain optical network to be located, and crosstalk attack detection is performed on the multi-domain optical network to obtain the crosstalk of each node An attack detection result, the crosstalk attack detection result includes an alarm state and a security state;

[0086] In this step, the detection result of the crosstalk attack includes an alarm state and a security state, where the parameter of the alarm state is X. When X=1, it means that the node sends out alarm information; when X=0, it means that the node does not send out alarm information. At the same time, assuming that the security state parameter of the node in the network is Y...

Embodiment 3

[0102] This article uses VPI optical network simulation software to verify the effectiveness and reliability of the multi-domain optical network crosstalk attack detection method and location method, and by comparing the multi-domain optical network crosstalk attack detection and location method based on distributed PCE proposed by the present invention ( G-DL), the BER-based crosstalk attack detection and location method (S-DL) proposed in prior art 1 and the crosstalk attack detection and location method (L-DL) based on parameter comparison and comprehensive monitoring devices proposed in prior art 2 ) for comparative analysis.

[0103] like Figure 5 Shown is the comparison of the accuracy of the G-DL method, the S-DL method and the L-DL method for crosstalk attack detection and location methods. Depend on Figure 5 It can be seen that when a crosstalk attack occurs in a multi-domain optical network, the three detection and location methods can all achieve the purpose of ...

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Abstract

The invention discloses a multi-domain optical network crosstalk attack detection node determination and positioning method. Aiming at the problem of uncertainty of crosstalk attack detection and attack source positioning in a multi-domain optical network, a distributed PCE architecture is adopted, and real-time detection of crosstalk attacks is realized by using data acquisition, data analysis and a monitoring point placement strategy based on a grey theory. Meanwhile, on the premise of crosstalk attack detection and distributed PCE collection of alarm information, accurate positioning of a crosstalk attack source is realized in combination with the idea of a distributed positioning method. The detection and positioning method provided by the invention not only has the characteristics offew monitoring devices and distributed positioning, but also has relatively good robustness, real-time performance and expandability; compared with a typical detection and positioning method, the method is higher in positioning accuracy in the same network environment.

Description

technical field [0001] The invention relates to a multi-domain optical network attack detection node determination and positioning method, in particular to a multi-domain optical network crosstalk attack detection node determination and positioning method. Background technique [0002] With the rapid increase of network users and the emergence of various network applications, the optical network with large capacity, high speed, flexibility and There is an opportunity to take advantage of. Therefore, whether real-time detection and accurate positioning of multi-domain optical network crosstalk attacks has become a major problem to be solved. [0003] For multi-domain optical networks, real-time detection and accurate location of crosstalk attacks is a very challenging task. In order to accurately locate crosstalk attacks in multi-domain optical networks, the prior art also proposes effective routing strategies and develops feasible routing algorithms, but they are only appl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/075H04B10/85
CPCH04B10/075H04B10/85
Inventor 吴启武姜灵芝李芳刘雪玥
Owner ENG UNIV OF THE CHINESE PEOPLES ARMED POLICE FORCE
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