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Gnutella网络中树结构搜索机制的研究
引用本文:邓泓,周莉,周定康. Gnutella网络中树结构搜索机制的研究[J]. 江西师范大学学报(自然科学版), 2006, 30(3): 282-284
作者姓名:邓泓  周莉  周定康
作者单位:江西师范大学,计算机信息工程学院,江西,南昌,330027;华东交通大学,信息工程学院,江西,南昌,330013
摘    要:Gnutella网络采用洪泛式搜索机制,使网络具有高鲁棒性同时,也使网络产生了呈指数级增长的冗余消息.该文改进了Gnutella的搜索机制,提出了一种基于树结构的Gnutella-Tree搜索,并介绍了构造算法,给出了一种Gnutella自适应算法(Adaptive Gnutella Algorithm,简称AGA),以控制节点退出给Gnutella网络搜索带来的损失和网络的不稳定性,提高Gnutella-Tree搜索机制的鲁棒性.

关 键 词:洪泛式搜索  Gnutella-Tree搜索  Gnutella自适应算法
文章编号:1000-5862(2006)03-0282-03
收稿时间:2005-09-16
修稿时间:2005-09-16

Study of Tree-Stucture Search Mechanism in Gnutella Network
DENG Hong,ZHOU Li,ZHOU Ding-kang. Study of Tree-Stucture Search Mechanism in Gnutella Network[J]. Journal of Jiangxi Normal University (Natural Sciences Edition), 2006, 30(3): 282-284
Authors:DENG Hong  ZHOU Li  ZHOU Ding-kang
Affiliation:1. College of Computer Information and Engineering, Jiangxi Normal University, Nanchang 330027, China; 2. College of Information, East China Jiao Tong University, Nanchang 330013, China
Abstract:Gnutella uses the search mechanism of flooding.However,while bringing Gnutella network the characters of high robustness,this broadcasting mechanism makes that the network gives redundant messages that increase exponentially.This paper ameliorates Gnutella search mechanism,proposes a Gnutella-Tree search based on tree structure,and introduces its storage mechanism and a algorithm of Gnutella-Tree construct.A new Adaptive Gnutella Algorithm(AGA) is given,which is used to control the loss of Gnutella net search and net's instability brought with peer exit.
Keywords:Flooding  Gnutella-Tree search  AGA
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