移动P2P环境下考虑物理位置的分层Chord算法

Physical location-based hierarchical chord algorithm in mobile P2P

在移动P2P环境下,把基站作为物理位置的界标点加入到基于DHT原理的Chord环中,同时引入超级节点概念,提出基于物理位置的分层Chord算法,该算法提高了资源查询效率,解决了节点之间物理位置和逻辑位置不相符的问题.仿真实验表明:节点资源平均查找延迟时间降低明显,平均查找路由次数减少1～2次.

In the mobile peer-to-peer （P2P） environment, the base station was added to the distributed Hash table principle-based Chord as the physical location of the boundary of punctuation while the concept of super-nodes was introduced and the physical location-based hierarchical Chord algorithm was proposed. This algorithm not only improved the efficiency of resource queries but also solved the problem that the physical location of nodes and logical position does not match. Simulation results show that the average check latency of node resources was reduced significantly and the reduction of searching the routes was 1-2 times.