发明授权
US08792453B2 Secure tunnel establishment upon attachment or handover to an access network
有权
在连接或切换到接入网络时的安全隧道建立
- 专利标题： Secure tunnel establishment upon attachment or handover to an access network
- 专利标题（中）： 在连接或切换到接入网络时的安全隧道建立
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申请号： US13126924申请日： 2009-10-28
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公开(公告)号： US08792453B2公开(公告)日： 2014-07-29
- 发明人: Jens Bachmann , Shinkichi Ikeda , Takashi Aramaki
- 申请人： Jens Bachmann , Shinkichi Ikeda , Takashi Aramaki
- 申请人地址： US CA Torrance
- 专利权人： Panasonic Intellectual Property Corporation of America
- 当前专利权人： Panasonic Intellectual Property Corporation of America
- 当前专利权人地址： US CA Torrance
- 代理机构： Dickinson Wright PLLC
- 优先权： EP08020986 20081203
- 国际申请： PCT/EP2009/007715 WO 20091028
- 国际公布： WO2010/063348 WO 20100610
- 主分类号： H04W36/00
- IPC分类号： H04W36/00 ; H04L29/06 ; H04W80/04 ; H04W76/02
摘要：
The invention relates to a method, mobile node and computer-readable medium for establishing (or pre-establishing) a secure tunnel to an ePDG to prepare for a mobile node attachment or handover to another access network. To reduce the delay of a handover or upon attachment of a mobile node to an access network implied by mechanisms to discover a ePDG, the mobile node maintains a reachability list that can be consulted to identify an ePDG or ePDGs that are reachable in the target access network, i.e. to which the mobile node may establish a secure tunnel. If the mobile node can identify a reachable ePDG for a given access network from the reachability list, the mobile node (pre-)establishes a secure tunnel to the ePDG upon attaching to the given access network. In alternative solutions DNS, DHCP or other mechanism can be used to provide the mobile node with information on ePDGs in its vicinity.
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