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Communication network dynamic party protection method and platform

A communication network and dynamic technology, applied in transmission systems, electrical components, etc., can solve problems such as power communication network attack threats, and achieve the effect of improving flexibility and security

Pending Publication Date: 2021-03-05
CHINA ELECTRIC POWER RES INST +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem existing in the prior art that the power communication network faces attack threats, the present invention provides a communication network dynamic party protection method and platform

Method used

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  • Communication network dynamic party protection method and platform
  • Communication network dynamic party protection method and platform
  • Communication network dynamic party protection method and platform

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] This embodiment provides a communication network dynamic party protection method, the method flow chart is as follows figure 1 shown.

[0052] S1: The switch forwards the received data request sent by the external host to the controller.

[0053] When the switch forwards the data packet for the first time, it requests the controller to issue the flow table. When forwarding the data packet subsequently, it judges whether the flow table is modified by the controller. If it is modified, it forwards normally. When the host is attacked, the data packet carrying the attack information passes through the switch. After forwarding to the destination host, the destination host detects that the data packet contains attack information and reports the detected attack to the controller. After receiving the warning, the controller modifies the flow table of the switch to transfer the attack or isolate the destination host. When the packet arrives, because the flow table of the switch...

Embodiment 2

[0066] This embodiment provides a communication network dynamic protection platform, the schematic diagram of the platform structure is as follows figure 2 shown.

[0067] The platform is mainly composed of a switch, an internal host and a controller, and the three are connected by communication.

[0068] A forwarding module is set in the switch, and a dynamic protection module and a topology management module are set in the controller.

[0069] Internal hosts, including destination hosts and backup hosts, are all equipped with attack detection modules.

[0070] The entire platform runs in each node of the power communication network, in which the controller runs the topology management module and the dynamic protection module, responsible for managing each node and link in the power communication network topology, and dynamically protecting the attacked nodes; the switch runs The forwarding module is responsible for forwarding data packets and command packets in the power ...

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Abstract

The invention discloses a communication network dynamic party protection method and platform. The method comprises the steps that a switch forwards a received data request sent by an external host toa controller; the controller forwards the data request to an internal host; the internal host performs attack detection on the data request, generates an attack report if the data request is an attackrequest, and sends the attack report to the controller; and the controller formulates a protection strategy for the internal host according to the attack report. According to the scheme, the internalhost formulates the attack report in real time according to the data request sent by the external host, the protection strategy can be formulated in real time, and the flexibility of power communication network protection is improved. The switch sends the data request and the attack report to the controller instead of autonomously judging and forwarding so that the security of power communicationnetwork protection is improved.

Description

technical field [0001] The invention relates to the field of software-defined networks, in particular to a method and platform for protecting dynamic parties in a communication network. Background technique [0002] With the continuous advancement and development of power communication networks, traditional power communication networks cannot meet the requirements of full coverage of communication networks, and the flexibility and security of existing power communication networks are difficult to meet the needs of further development of power communication networks. Structure simplification, ubiquitous security, centralized control". With the rapid development of the current smart grid, the dependence of the power system on the information system is also showing an increasing trend. The power system is even about to evolve into a physical system of power information. The transmission of massive information data will have an impact on the performance of the power communicat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH04L63/1416H04L63/1441H04L63/20
Inventor 刘科研盛万兴孟晓丽林荣恒白牧可
Owner CHINA ELECTRIC POWER RES INST