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A satellite network dynamic routing method based on mobile agent security

A mobile agent and satellite technology, applied in network planning, electrical components, wireless communication, etc., can solve problems such as defects, and achieve the effect of reducing system overhead and network resources

Inactive Publication Date: 2009-10-07
NANJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, although the existing methods of improving the security performance of mobile agents can protect the Agent to a certain extent, they all have defects.

Method used

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  • A satellite network dynamic routing method based on mobile agent security
  • A satellite network dynamic routing method based on mobile agent security
  • A satellite network dynamic routing method based on mobile agent security

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Experimental program
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Embodiment Construction

[0055] 1. Architecture

[0056] The satellite network dynamic routing algorithm based on mobile agent security realizes the update of routing algorithm and data transmission through mobile agent technology. The entire satellite network is divided into several regional subnets, which become satellite node communication in the subnet and data communication between each subnet, which simplifies the network structure. The communication security of the mobile agent is ensured by using the virtual area. Wherein, the division module of the regional subnet, the internal management module of the subnet, the safety communication module between the subnets, the routing update module, and the central satellite replacement module are the main functional parts for realizing the method of the present invention, and several specific parts are explained below :

[0057] Division of regional subnets

[0058] Each satellite node has sub attribute, center attribute, cover attribute and Nlist n...

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Abstract

The invention discloses a satellite network dynamic routing method based on mobile agent security, which is a dynamic routing method applicable to satellite network; wherein the mobile agent technology is added therein so as to traverse the network and collect information and transmit the information through the migration of the mobile agent in the network. In the invention, the satellite network is divided into a plurality of regional subnets, the subnets are managed through a central satellite, and satellites in the subnets can directly communicate with each other. Immigration security of agent in the network is ensured by transmitting Test Data Agent among the subnets and implementing detection in the virtual region; and simultaneously, the central satellites in the subnets can be alternated, thereby avoiding the decrease of network performance caused by network congestion due to excessive information at the central satellite.

Description

technical field [0001] The invention is a dynamic routing method based on the mobile agent technology, which is mainly used to solve the problem of realizing the dynamic routing algorithm of the safe transmission of data by using the mobile agent technology in the satellite network, and belongs to the field of network protocol design. Background technique [0002] The satellite network is composed of spacecraft. According to the principle of maximum effective comprehensive utilization of space information resources, it is an organic space wireless communication system that is interconnected through inter-satellite wireless communication links. Compared with terrestrial communication facilities, satellite network communication has a wide coverage, especially can cover vast areas (such as oceans, deserts, and polar regions) where ground networks are difficult to lay, is not affected by natural disasters on the ground, and communication costs have nothing to do with distance. ,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/18H04W24/04H04W40/02
Inventor 王汝传史文雯饶元徐小龙郑彦孙力娟张登银
Owner NANJING UNIV OF POSTS & TELECOMM
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