【摘要】 针对无线网络的特殊环境,提出了一种基于P2P结构的无线网格资源发现机制,该机制结合了分布式与集中式网格资源发现的优点,引入了超级节点的概念,通过超级节点管理域内用户,将资源信息存放在超级节点中,避免了中央节点聚合目录的更新.并在此机制基础上给出了一个无线网格信息服务架构,满足了无线网格资源发现的分散性和可扩展性的特点.理论分析和实验证明能够提高无线网格资源发现效率.更多还原

【Abstract】 This paper presents a resource discovery mechanism based on P2P architecture in wireless grid.The mechanism introduces the concept of super-node,which integrates the advantage of decentralized and centralized resource discovery.Super-node is used to manage users and resource information is stored in it to avoid frequent updating of integrate directory in center-node. An information service architecture is provided at the fundamental of the mechanism which accords with decentralization and expansibility of resource discovery in wireless grid.Theoretical analysis and experiment show that it can improve the performance of resource discovery.更多还原