[1]吴家皋 华正 卞超杰 邹志强 胡斌.P2P空间矢量数据索引网络路由机制的研究与实现[J].计算机技术与发展,2011,(10):1-4.
 WU Jia-gao,HUA Zheng,BIAN Chao-jie,et al.Study and Implementation of Routing Scheme of P2P Spatial Vector Data Indexing Networks[J].,2011,(10):1-4.
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P2P空间矢量数据索引网络路由机制的研究与实现()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2011年10期
页码:
1-4
栏目:
智能、算法、系统工程
出版日期:
1900-01-01

文章信息/Info

Title:
Study and Implementation of Routing Scheme of P2P Spatial Vector Data Indexing Networks
文章编号:
1673-629X(2011)10-0001-04
作者:
吴家皋1 华正1 卞超杰1 邹志强1 胡斌2
[1]南京邮电大学计算机学院计算机技术研究所[2]南京师范大学虚拟地理环境教育部重点实验室
Author(s):
WU Jia-gao HUA Zheng BIAN Chao-jie ZOU Zhi-qiang HU Bin
[1]Institute of Computer Technology, College of Computer, Nanjing University of Posts & Telecommunications[2]Ministry of Education Key Laboratory of Virtual Geographic Environment,Nanjing Nomal University
关键词:
P2P空间索引ChordJXTA路由机制
Keywords:
P2P spatial indexing Chord JXTA routing scheme
分类号:
TP393
文献标志码:
A
摘要:
随着地理信息系统的普及,越来越多的用户希望在线获取空间服务和空间数据。P2P技术为矢量地理数据的处理提供了充分的计算能力和服务能力,在P2PGIS系统中,索引网络的路由效率是主要问题之一。文中在已有的理论模型基础之上,采用结构化P2P网络协议Chord,扩展和修改JXTA路由协议规范,整合分布式哈希表(DHT)技术,实现了一个高效的、负载均衡的P2P空间矢量数据索引网络。实验结果表明,该索引网络比集中式索引网络具有更高的矢量数据传输效率
Abstract:
With the popularity of geographical information systems, more and more users want to access to spatial on-line services and data. P2P technology has provided sufficient computing and service capability for vector geographic data processing, the routing efficiency of indexing networks is one of the principle problems in P2PGIS system. In this paper, based on the existing theoretical model, the ef- fective and load balancing P2P spatial vector geography data indexing network is studied and implemented, which expanded and modified JXTA routing protocol scheme by adopting the structured P2P network protocol--Chord and integrating distributed hash table ( DHT ) technology. The experiment results show that the vector geography data transmission efficiency in the P2P indexing network is higher than that in the centralized scenario

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备注/Memo

备注/Memo:
国家“863”计划项目(2009AA12Z219);国家自然科学基金资助项目(40801149);东南大学计算机网络和信息集成教育部重点实验室开放研究基金项目(K93-9-2010-06)吴家皋(1969-),男,江苏苏州人,副教授,博士,CCF会所,研究方向为计算机网络协议及算法、P2P网络、GIS;邹志强,男,副教授,博士,研究方向为分布式空间信息处理;胡斌,男,讲师,博士,研究方向为P2PGIS、3D建模
更新日期/Last Update: 1900-01-01