【摘要】 命名服务与目录服务属于移动AdHoc网络(MANET)中的基础服务。目前MANET中实现命名服务的一种主要方式是通过设备的硬件地址自动生成,这种方式由于与硬件地址绑定带来了用户不友好、不便记忆、更换设备需要更换名字等缺点。提出了一种分布式的名字自动分配机制,名为NetNeighbor,可以为MANET中的移动主机提供命名服务与目录服务。仿真结果表明,系统运行稳定后NetNeighbor协议命名冲突的概率为0,有效地避免了移动主机名字冲突对数据通讯造成的影响;每个节点中保存的全局信息量达到98%,使局部存储的信息精确地反映了网络全局视图,提高了目录服务的准确率。更多还原

【Abstract】 Naming services and Directory services are basic services of Mobile Ad Hoc Networks.While these services work well on the fixed Internet,they represent a centralized approach which is not suitable for MANET.Since MANET is pure distributed networks,it has no authority or centralized server.Furthermore,MANET is dynamic and often exhibits non-deterministic user behavior.A distributed name assignment mechanism was proposed.It is a protocol named NetNeighbor which implements the name auto-configuration mechanism and provides name services and directory services for mobile hosts in MANET.Simulation results show that the probability of naming conflicts is zero when the system is stable,which effectively avoids the influence on data communications by the name conflict.Local information stored in every node arrives at about 98% in average,which accurately reflects the whole network overview,and improves the correctness of the directory services.更多还原