Node failure wave and influence analysis method for aviation ad hoc network

An aeronautical ad hoc network, impact analysis technology, applied in the field of network security

Pending Publication Date: 2020-12-01
CIVIL AVIATION UNIV OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, at present, there is a lack of relevant methods to analyze the aeronautical ad hoc network. At the same time, in order to maintain the continuous and effective service capability of the network, it is necessary to formulate corresponding network traffic optimization and redistribution strategies to improve network stability.

Method used

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  • Node failure wave and influence analysis method for aviation ad hoc network
  • Node failure wave and influence analysis method for aviation ad hoc network
  • Node failure wave and influence analysis method for aviation ad hoc network

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Embodiment Construction

[0065] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the following embodiments do not limit the present invention by any means.

[0066] like figure 1 As shown, the method for analyzing the impact of node failure for aviation ad hoc networks provided by the present invention includes the following steps in sequence:

[0067] 1) S1 stage of building a business network and calculating the weight of business nodes: In this stage, identify the main business nodes in the aviation ad hoc network, establish the corresponding business network, and obtain the weight of business nodes according to the business volume of the business nodes. Nodes are weighted to obtain a directed weighted service network;

[0068] The method for obtaining the weight of the service node according to the service volume of the service node is as follows:

[0069] Let the network traffic of aviation ad hoc network be C B ,...

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Abstract

The invention discloses a node failure wave and influence analysis method for an aviation ad hoc network. The method comprises the following steps: constructing a service network and calculating service node weights; constructing a physical network and calculating node weights; establishing a service-physical dependent network model; establishing a failure propagation model; calculating the link survivability; determining a flow redistribution strategy; and completing sweep impact analysis and the like. According to the invention, when the network model is established, the actual factors of the network are considered, and the consideration of the aviation ad hoc network service network is added, so that the model better conforms to the actual situation. Meanwhile, a flow redistribution strategy based on link survivability is provided, a small weight is assigned to a node with a relatively long distance, a relatively large weight is given to a relatively close node, a flow distributionpath is selected preferentially in combination with the failure rate of the network node, and the flow redistribution strategy is applied to the established service-physical dependent network model, so that after the network is attacked, the network loss can be better reduced, and the stability of the network is improved.

Description

technical field [0001] The invention belongs to the technical field of network security, and in particular relates to a method for analyzing the influence of node failure in aviation ad hoc networks. Background technique [0002] Aviation ad hoc network is a new type of mobile ad hoc network with multi-hop, dynamic topology and no center constructed by manned or unmanned aircraft as the nodes for sending, receiving or forwarding wireless communication in the air, and using wireless communication connections between nodes as links. network. The network can meet the business needs of the aviation field. It is a complex network integrating various communication systems, functional networks and information systems, and has good application prospects. [0003] Dependent network means that there is a coupling or mapping relationship between two networks, and the networks influence each other. There are communication links and information exchange among the nodes of the aviation ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/02H04W24/08H04W40/20H04W84/18H04L12/24
CPCH04W24/02H04W24/08H04W40/20H04W84/18H04L41/14H04L41/145Y02D30/70
Inventor 谢丽霞严莉萍杨宏宇
Owner CIVIL AVIATION UNIV OF CHINA
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