| SIP协议的NAT穿越研究 |
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| 引用本文： | 高扬,糜正琨.SIP协议的NAT穿越研究[J].重庆邮电学院学报(自然科学版),2006,18(4):503-507. |
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| 作者姓名： | 高扬 糜正琨 |
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| 作者单位： | 南京邮电大学通信工程学院,南京210003 |
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| 摘 要： | SIP协议是IETF定义的IP多媒体通信控制协议，也是下一代网络（NGN）的核心控制协议。SIP音视频通信应用的快速发展与IPv4地址资源不足的矛盾提出了NAT穿越问题。针对SIP信令和媒体流的NAT穿越问题，阐述了现有媒体流穿越的解决方案，介绍了基于STUN协议的企业网NAT穿越实现。
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| 关 键 词： | 会话初始化协议 下一代网络 网络地址翻译 STUN NAT穿越 |
| 文章编号： | 1004-5694（2006）04-0503-05 |
| 收稿时间： | 2005-06-20 |
| 修稿时间： | 2005-09-12 |
Research on NAT traversal based on SIP protocol |
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| GAO Yang, MI Zheng-kun.Research on NAT traversal based on SIP protocol[J].Journal of Chongqing University of Posts and Telecommunications(Natural Sciences Edition),2006,18(4):503-507. |
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| Authors: | GAO Yang MI Zheng-kun |
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| Institution: | College of Communication Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210003, P. R. China |
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| Abstract: | SIP is an IETF defined IP multimedia communication control protocol and the key peotocol of the next generation network(NGN).As a result of the inconsistency between the rapid development of SIP-based audio/video communication applications and the shortage of IPv4 addresses,the NAT traversal problem has been raised.In this paper,the NAT traversal problem of SIP singnalling and media stream is explained firstly.Then an overview is given to the existing solutions of media stream traversal.Finally a STUN protocol based on implementation is detailed to be applicable to enterprise networks. |
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| Keywords: | SIP next generation network network address translator STUN NAT traversal |
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