Telecommunications Science ›› 2004, Vol. 20 ›› Issue (6): 10-14.doi: 10.3969/j.issn.1000-0801.2004.06.004

• Research and design • Previous Articles     Next Articles

Application of UPnP for FW/NAT Traverse in Multimedia Communication System

Zhifeng Zhao1,2,3,Yongkang Yang2,Peiliang Qiu1   

  1. 1 Postdoctoral Research Station of Zhejiang University, Hangzhou 310027
    2 Postdoctoral Work Station of Eastcom Company, Hangzhou 310053
    3 Institute of Communication Engineering PLAUST, Nanjing 210007
  • Online:2017-02-22 Published:2017-02-22

Abstract:

This paper describes the problem of FW/NAT traverse at first,then UPnP technology is introduced,include the basic concept,network components,protocol stack and it's work process.We also analyze the way UPnP support for FW/NAT traverse after the introduction of Internet access gateway in UPnP network.Finally,we research the application of UPnP for FW/NAT traverse in multimedia communication system taking SIP as example and provide a solution of FW/NAT traverse for SIP.

Key words: UPnP, firewall, NAT traverse, multimedia communication, SIP

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