集中目录式P2P网络的设计与仿真.doc
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1、集中目录式P2P网络的设计与仿真学 号 密 级 集中目录式P2P网络的设计与仿真Design and Simulation of Centralized Directory-Based P2P Networks学生姓名:所在学院:所在专业:指导教师:职称:所在单位:论文提交日期:论文答辩日期:学位授予单位:摘要网络是目前国际上计算机网络领域的研究热点。随着因特网的迅速发展,使用因特网的用户可以实现分布在世界各地的网络终端信息的共享。集中目录式P2P模式是当今三大主流网络之一,以Napster为典型代表,改变了传统的客户端/服务器(C/S)模式。该网络的主要特点是弱化了中央目录服务器的作用,充分
2、利用了节点的存储能力,网络中每个节点的地位都是对等的。集中目录式模式的诞生,引出了对等网络的新概念。作为第一代网络,集中目录式模式具有广阔的应用空间和重要的研究价值。本课题通过阅读P2P技术相关文献,分析国内外前沿的P2P网络技术,并结合集中目录式P2P架构的自身特点及适用范围,提出了一种针对集中目录式P2P网络的设计与。以适合网络仿真的新型工具OMNeT+为仿真平台,对集中目录式P2P网络进行设计与仿真实验。经过OMNeT+仿真实验,在仿真平台上实现了集中目录式P2P过程,这对于进一步研究集中目录式P2P模式的性能具有一定的参考价值。关键词:对等网络;集中目录式模式;仿真;OMNeT+III
3、ABSTRACTCurrently P2P network is a hot research field of international computer networks. With the rapid development of the Internet, users can share networks terminal information distributed around the world. At present Centralized Directory-Based P2P model is one of the three mainstream P2P networ
4、ks. It uses Napster as a typical representative, which changes the traditional client/server (C/S) mode. The main feature of this network is not only to weaken the role of the central directory server, but also make full use of the storage capacity of the node, and the status of each node in the net
5、work is equal. The birth of the Centralized Directory-Based P2P model leads to a new concept of peer to peer network. As the first generation of P2P networks, Centralized Directory-Based P2P model possesses broad application space and is of great research value.By reading relevant literature of P2P
6、technology, This project analyzes domestic and international cutting-edge P2P network technology, combined with its own characteristics and scope of Centralized Directory-Based P2P framework, and proposes a design and simulation scheme for Centralized Directory-Based P2P networks. The new type tool
7、OMNeT+ is taken as a simulation platform suitable to networks simulation, to design and simulate the Centralized Directory-Based P2P network. By experimenting with OMNeT+ simulation, the entire working process of Centralized Directory-Based P2P networks model is achieved on the simulation platform,
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