Satellite network simulation platform construction method based on open-source fire wall and mobile proxy technology

A satellite simulation and simulation platform technology, which is applied in data exchange network, electrical digital data processing, special data processing applications, etc., can solve problems such as heavy load, lack of satellite communication link simulation, and inability to expand functions, etc., to achieve simplified complexity , reduce hardware costs, and enhance the effect of simulation effects

Inactive Publication Date: 2009-02-18
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0014] Through the comparison of the above three simulation platforms, it can be found that the various satellite network simulation platforms currently appearing are all single-ma

Method used

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  • Satellite network simulation platform construction method based on open-source fire wall and mobile proxy technology
  • Satellite network simulation platform construction method based on open-source fire wall and mobile proxy technology
  • Satellite network simulation platform construction method based on open-source fire wall and mobile proxy technology

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Embodiment Construction

[0057] 1. Architecture

[0058] The satellite network simulation platform construction method based on the open source firewall and mobile agent technology is a simulation platform construction technology for simulating the operation status of the satellite network. The platform uses the Netfilter framework of the Linux platform to design an access control module to control the communication links between satellites, simulating the characteristics of high delay and easy on-off of the actual communication links between satellites in the satellite network. The logical structure of the satellite network operation simulation platform mainly includes satellite simulation entity, access control module, satellite network operation data system, and platform control center.

[0059] satellite analog entity

[0060] The satellite simulation entity is used to simulate the actual satellite nodes on the satellite network. A mobile agent is a software entity that can simulate the attribut...

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Abstract

A satellite network simulation platform construction method based on open source fire-proof wall and mobile agent technology simulates satellite network operation by utilizing ground wired network equipment, mainly solves the problem of construction of satellite network simulation platform. In the inventive method, data transmission of wired communication channel is controlled, satellite network operation and characteristics of high time delay, easy switching are simulated by constructing access control module through utilizing Netfilter frame of Linux platform on the basis of existing ground network equipment. User can artificially set access control rule of satellite simulated entities, control communication between satellite simulated entities, simulate outburst switching occurred in satellite network link, control link of satellite simulated entities.

Description

technical field [0001] The invention is a method for constructing a satellite network simulation platform. It is mainly used to solve the problem of simulating the operation of the satellite network and testing related loading simulation (such as the simulation of testing the routing algorithm of the satellite network), and belongs to the technical field of simulation platform construction. Background technique [0002] The satellite network is a space wireless communication system organically composed of different types of satellites in different orbits, interconnected through inter-satellite wireless communication links in accordance with the principle of maximally effective and comprehensive utilization of space information resources. The satellite network can integrate a variety of space systems, including resource detection, early warning, navigation and positioning, communication and broadcasting, space defense and countermeasures, reconnaissance systems, environment a...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L29/06H04L12/26H04B7/185G06F17/50G06F17/30
Inventor 王汝传邵星饶元徐小龙郑彦孙力娟张登银
Owner NANJING UNIV OF POSTS & TELECOMM
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