摘要
移动自组织网是一种可移动、无中心、自组织、可快速展开的特殊对等式网络。由于无线链路的不可靠性和拓扑结构的多变性等原因,它在安全上面临着许多威胁和挑战。为了保证路由安全和网络的可靠运行,利用临近节点间的信任关系,提出了一种基于移动自组织网络环境的信任模型,并给出了该模型的数学描述和实现方法。最后,将模型应用于移动自组织网的一种路由协议。仿真分析表明,网络存在攻击时,基于该模型的路由协议有更好的包传递率和路由安全性能。
Mobile ad hoc network is a special peer-to-peer network that is infrastrucure-less,self-organizing and dynamical reconfiguration and mobile.Due to the unreliable character of wireless link and the fast changes of topology,MANET is faced to various security threats and challenges.In order to ensure security and reliability of MANET,present a novel global trust model and give a mathematical description and a distributed implementaiton method.As example apply the model in a routing protocol.Mathematic analyses and simulations show that the routing protocol based on the proposed trust model gets better performance in terms of packets delivery ratio and routing security in unsafe networks.
出处
《计算机技术与发展》
2010年第5期142-145,共4页
Computer Technology and Development
基金
国家863计划项目(2009AA01Z202)
江苏省科技支撑项目(BE2008134)
