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针对SIP的ALG解决方案及实现 被引量:4

Solution and Implementation of ALG Based on SIP
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摘要 SIP是一个很有潜力的基于文本的应用层协议。由于SIP协议本身不能保证SIP信令能安全地穿过NAT和防火墙,从而限制了其在现有广域网上的使用和发展。文中归纳了对该问题的解决方案,重点介绍了ALG的解决方案,并根据SIP的特点提出了SIPALG的具体实现框架。 SIP is a promising textbased applicationlayer protocol. It cant be used in NAT or firewall environment,which deeply cumbers its development on WAN.This paper proposes some relative ways to resolve the problem,mainly focuses on ALG and provides a detailed framework for SIP ALG.
出处 《计算机应用》 CSCD 北大核心 2003年第2期120-122,共3页 journal of Computer Applications
关键词 ALG 网络协议 SIP协议 网络地址翻译 应用级网关 防火墙 广域网 防火墙 session initiation protocol network address translation application level gateway firewall
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参考文献5

  • 1[1]Handley M,Schulzrinne H,Schooler E,et al. SIP:session initiation protocol[S]. RFC 2543,Internet Engineering Task Force,March 1999.
  • 2[2]Biggs B. A SIP Application Level Gateway for Network AddressTranslation[S]. Internet Draft,Internet Engineering Task Force,March 2000.
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  • 5[5]Thernelius F. SIP Firewall Solution[S]. Internet Draft,Internet Engineering Task Force, July 2000.

同被引文献78

  • 1程艳伟,雷为民.利用SIP协议扩展实现SIP-NAT网关[J].小型微型计算机系统,2003,24(1):151-153. 被引量:4
  • 2司端锋,潘爱民.IP电话(VoIP)中的安全性问题[J].计算机工程,2004,30(18):105-107. 被引量:25
  • 3司端锋,韩心慧,龙勤,潘爱民.SIP标准中的核心技术与研究进展[J].软件学报,2005,16(2):239-250. 被引量:96
  • 4Yeong W, Howes T, Kille S. Lightweight directory access protocol. Internet RFC 1777, 1995.
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  • 6Rosenberg J, Sehulzrinne H. Guidelines for authors of SIP extensions. Internet draft-ietf-sip-guidelines-06.txt, 2002.
  • 7Stefano S, Luca V, Donald P. SIP security issues: The SIP authentication procedure and its processing load. IEEE Network, 2002,38-44.
  • 8Rosenberg J, Schulzrinne H, Camanilo G. SIP: Session initiation protocol. Intemet RFC 3261, 2002.
  • 9Si DF, Long Q, Han XH, Zou W. Security mechanisms for SIP-based multimedia communication infrastructure. In: Li LM, ed.Proc of the 2nd IEEE Conf on Communications, Circuits and Systems (ICCCAS). IEEE Press, 2004. 575-578.
  • 10Wu JS, Wang PY. The performance analysis of SIP-T signaling system in carrier class VoIP network. In: Wu C, ed. Proc of theIEEE 17th Int'l Conf of Advanced Information Networking and Applications (AINA 03). Washington DC: IEEE Computer Society,2003. 3944.

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