发明授权
- 专利标题： Tunneling apparatus and tunnel frame sorting method and its program for use therein
- 专利标题（中）： 隧道掘进机和隧道车架排序方法及其程序
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申请号： US11817718申请日： 2006-02-27
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公开(公告)号： US07969996B2公开(公告)日： 2011-06-28
- 发明人: Toshio Koide
- 申请人： Toshio Koide
- 申请人地址： JP Tokyo
- 专利权人： NEC Corporation
- 当前专利权人： NEC Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Sughrue Mion, PLLC
- 优先权： JP2005-059830 20050304
- 国际申请： PCT/JP2006/304179 WO 20060227
- 国际公布： WO2006/093299 WO 20060908
- 主分类号： H04L12/56
- IPC分类号： H04L12/56
摘要：
The present invention provides a tunneling apparatus which can perform tunneling without requiring the network to be suspended or requiring the existing configuration of a local network to be modified. The frame sorting part 11 determines whether or not a frame input from a local network through a physical interface is an encapsulated tunnel frame. If such frame is a tunnel frame, the frame sorting part 11 outputs such frame to the decapsulation unit of the tunneling part 13. If such frame is not a tunnel frame, the frame sorting part 11 outputs such frame to at least one of the address resolution unit of the kernel part 12 and the encapsulation unit of the tunneling part, based on the characteristics of such frame.
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