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

A satellite simulation, simulation platform technology, applied in data exchange network, electrical digital data processing, special data processing applications, etc., can solve the problems of heavy load, inability to function expansion, no satellite communication link simulation, etc., to simplify the complexity , reduce hardware costs, enhance the effect of simulation effects

Inactive Publication Date: 2012-05-23
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-machine centralized control, with heavy loads, and cannot flexibly expand functions, and do not use actual channels to control satellite networks. The communication link is simulated

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

[0056] One, the system structure

[0057] The satellite network simulation platform construction method based on open source firewall and mobile agent technology is a simulation platform construction technology that solves the simulation satellite network operating conditions. The platform uses the Netfilter framework of the Linux platform to design an access control module to control the communication links between satellites and simulate the high latency and easy on-off characteristics 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 entities, access control modules, satellite network operation data systems, and platform control centers.

[0058] Satellite simulation entity

[0059] 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...

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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 groundnetwork 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 problems of simulating the operation of the satellite network and testing related loading simulation (such as testing the simulation of the satellite network routing algorithm), and belongs to the technical field of simulation platform construction. Background technique [0002] The satellite network is a space wireless communication system that organically constitutes a space wireless communication system that connects different types of satellites on different orbits in accordance with the principle of maximum effective and comprehensive utilization of space information resources through inter-satellite wireless communication links. The satellite network can integrate a variety of aerospace systems, including resource detection, early warning, navigation and positioning, communications and broadcasting, space defense and countermeasures, reco...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08H04L29/06G06F17/50H04L12/26G06F17/30H04B7/185
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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