| 基于端口预测的P2PNAT穿越方法的改进 |
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| 引用本文： | 王培东,连树国.基于端口预测的P2PNAT穿越方法的改进[J].通信技术,2009,42(3):140-142. |
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| 作者姓名： | 王培东 连树国 |
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| 作者单位： | 哈尔滨理工大学计算机科学与技术学院,黑龙江,哈尔滨,150080 |
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| 摘 要： | Network Address Translation（NAT）技术能够解决公网IP地址紧缺问题，保证网络安全，但它也影响了对等联网的直接通信。丈中论述了NAT的穿越特性，分析目前已有的P2PTCP穿越NAT技术，提出了一种P_P2PNAT穿越方法。通过端口预测方法实现对称型网络地址转换的穿越。实验验证了该方法的正确性，保证了Symmetric NAT之间的成功穿越。
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| 关 键 词： | 网络地址转换 对等联网 网络穿越 对称NAT 端口预测 |
Improvement of P2PNAT Traversal Method Based on Port Prediction |
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| WANG Pei-dong,LIAN Shu-guo.Improvement of P2PNAT Traversal Method Based on Port Prediction[J].Communications Technology,2009,42(3):140-142. |
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| Authors: | WANG Pei-dong LIAN Shu-guo |
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| Affiliation: | (College of Computer Science and Technology, Harbin University of Science and Technology, Harbin Heilongjiang 150080, China) |
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| Abstract: | Network Address Translation（NAT） technology can solve the shortage of IP addresses and ensure network security. However, it also has influence on the direct communication of P2P. This paper tells of the traversal, analyzes various approaches for P2PNAT traversal, and proposes a traversing method named P P2PNAT. The symmetrical NAT traversal is achieved by using port prediction method. Experiment has proved the correctness of the method. The successful TCP NAT traversal between two symmetric NAT is guaranteed. |
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| Keywords: | NAT P2P NAT traversal symmetric NAT port prediction |
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