【作者】 史文雯；

【导师】 王汝传；

【作者基本信息】 南京邮电大学 ， 信息网络， 2011， 硕士

【摘要】 卫星通信作为一种特殊的通信方式,因其特有的覆盖范围大,通信距离远、受限条件少等一系列优点,近年来备受关注。然而,卫星网络不同于一般的地面网络,其成本高、更新维护难度大,因此,在卫星网络的发展过程中,需要大量的仿真和演示验证工作。本文主要设计、构建了基于移动Agent的卫星网路由仿真验证系统,包括系统仿真验证平台和仿真平台演示管理系统两个部分。仿真验证系统运行在Linux平台之上,系统仿真平台针对卫星通信的特征,通过数据库、Netfilter、Agent等技术仿真实现了卫星网运行知识库、卫星链路通道和卫星模拟实体。仿真平台演示管理系统对仿真平台的运行进行管理,在仿真平台上加载了基于移动Agent的卫星网路由算法,对路由算法的性能进行测试和验证。文章首先简单介绍了卫星网络系统和智能代理技术,然后提出了基于移动Agent的卫星网络路由算法,接着详细介绍了基于移动Agent的卫星网仿真验证系统的整体结构和各层具体构建实现,最后搭建了一个3*3的卫星网络,模拟卫星网的运行情况,并在此仿真验证系统上对卫星节点基于移动Agent发现路由、更新路由的智能性、实时性、主动性进行了测试,验证了基于移动Agent的卫星网路由算法的可行性。更多还原

【Abstract】 Satellite network as a special means of communication, with its characteristics of huge coverage, remote communication distance and less constained conditions has been much concerned in recent years. Different from the general terrestrial network, satellite network has the characteristics of high cost and update and maintenance difficulty.As a result, a large number of simulations and demonstrations are associated with the development of satellite network.This thesis builds a Satellite Network Routing Simulation System Based on Mobile Agent, including a simulation platform and a demo management system. The system runs on linux operating system and simulates the features of satellite network communication and intelligent agents with database, netfilter and agent. The demo management system manages the simulation platform which loads on the satellite routing algorithm and tests its performance.At first, the thesis gives a brief introduction of satellite network and intelligent agents.Then it proposes a routing algorithm of satellite network based on mobile agent.Then the implemention of the satellite network routing simulation system is decribed in detail. A simple network model which conludes 3*3 satellite nodes is founded at the end.The routing algorithm is tested on the simulation platform and it proves effective.更多还原