| 基于NAT穿透P2P即时通讯系统的设计与实现 |
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| 引用本文： | 张静颐,赵雪岩,陈爱网.基于NAT穿透P2P即时通讯系统的设计与实现[J].电子设计工程,2011,19(7):96-99. |
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| 作者姓名： | 张静颐 赵雪岩 陈爱网 |
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| 作者单位： | 空军工程大学电讯工程学院,陕西,西安,710077 |
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| 摘 要： | 点对点(P2P)技术应用于即时通信系统后,改善了原有客户端/服务器(C/S)架构存在的很多问题,从某种程度上解放了服务器,提高了传输速率.然而P2P系统在网络地址转换(NAT)g境下存在受到阻碍而无法正常建立连接的典型问题.本系统来自校园网的实际建设项目,提出以UDP Hole Punching为主Relaying方式...
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| 关 键 词： | P2P 网络地址转换 NAT穿透 UDP Hole Punching |
Design and implementation of the P2P instant message system based on NAT traversal |
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| ZHANG Jing-yi,ZHAO Xue-yan,CHEN Ai-wang.Design and implementation of the P2P instant message system based on NAT traversal[J].Electronic Design Engineering,2011,19(7):96-99. |
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| Authors: | ZHANG Jing-yi ZHAO Xue-yan CHEN Ai-wang |
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| Affiliation: | (Institute of Telecommunication Engineering,Air Force Engineering University,Xi’an 710077,China) |
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| Abstract: | The application of Peer-to-Peer(P2P) in the Instant Message System improves many problems of Client/Server(C/S) frame.It releases the server to a certain extent and increase transfer rate.However,P2P system has a typical problem that can’t setup connection normally when being blocked in the Network Address Translation(NAT) environment.This system is designed based on a university network construction project.Provided the solution to the problem with the main UDP Hole Punching supporting and relaying as a secondary assistance.Through this solution realized the NAT detection module,NAT traversal module and other modules of the system.Solve the problem caused by NAT,and has improved some weakness of the university network.The system has worked well till now and has achieved the initial goals. |
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| Keywords: | P2P network address translation NAT traversal UDP Hole Punching |
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