对ICE穿越Symmetric NAT技术的改进

doi:10.3778/j.issn.1002-8331.2010.03.032

计算机工程与应用 ›› 2010, Vol. 46 ›› Issue (3): 109-111.DOI: 10.3778/j.issn.1002-8331.2010.03.032

对ICE穿越Symmetric NAT技术的改进

刘胜辉¹，周野²

1.哈尔滨理工大学软件学院，哈尔滨 150080
2.哈尔滨理工大学计算机科学与技术学院，哈尔滨 150080

收稿日期:2008-08-05 修回日期:2008-11-03 出版日期:2010-01-21 发布日期:2010-01-21
通讯作者: 刘胜辉

Improvement of technology of traversing through Symmetric NAT based on ICE

LIU Sheng-hui¹，ZHOU Ye²

1.College of Software，Harbin University of Science and Technology，Harbin 150080，China
2.College of Computer Science and Technology，Harbin University of Science and Technology，Harbin 150080，China

Received:2008-08-05 Revised:2008-11-03 Online:2010-01-21 Published:2010-01-21
Contact: LIU Sheng-hui

摘要/Abstract

摘要： ICE（交互式连通性建立）方案作为一种综合解决方案，适合各种类型的NAT穿越。但ICE方案针对Symmetric NAT全部采用TURN中继方式进行穿越，而TURN方式在传输效率上尚有不足。结合端口预测方案P-STUN，对原有ICE方案进行了改进，使其获得更多的地址信息，能够对大部分SymmetuicNAT采用UDP直连方式穿越，解决了上述问题，有效提高了ICE针对Symmetric NAT穿越的效率。

关键词: 交互式连通性建立, 网络地址转换, 对称网络地址转换

Abstract: ICE（Interactive Connectivity Establishment） as a integrated solution can suit every kinds of NAT traversing.But in symmetric NAT case，there are still some disadvantages using the TURN method with not high efficiency.An improved ICE method is put forward based on ICE and concerning the pot prediction method，which is able to make ICE obtain more messages of addresses and traverse through most of Symmetric NATs using the way of UDP direct transfer.It will resolve the problem and enhance the efficiency of ICE.

Key words: Interactive Connectivity Establishment（ICE）, Network Address Translation（NAT）, Symmetric NAT

中图分类号:

TP393.02

刘胜辉¹，周野². 对ICE穿越Symmetric NAT技术的改进[J]. 计算机工程与应用, 2010, 46(3): 109-111.

LIU Sheng-hui¹，ZHOU Ye². Improvement of technology of traversing through Symmetric NAT based on ICE[J]. Computer Engineering and Applications, 2010, 46(3): 109-111.

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对ICE穿越Symmetric NAT技术的改进

Improvement of technology of traversing through Symmetric NAT based on ICE

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