发明名称 |
DIAL-UP ROUTER, AND ITS CONTROL PROGRAM |
摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a dial-up router allowing Internet connection of a network terminal in a stage where a cell-phone terminal is connected. <P>SOLUTION: The dial-up router 1 includes: a PPP connection means 12 acquiring address information including an IP address of a DNS (Domain Name System) by carrying out connection of a line to an ISP (Internet Services Provider) via a cell-phone terminal 4; an address storage means 13 storing the address information; and an IP address allocation means 14 allocating an unused address from an IP address range on an LAN side to an update request requested from a network terminal 5 to distribute it to the network terminal 5 along with an IP address allocation time representing a valid period, wherein the dial-up router 1 is characterized in that the IP address allocation means 14 sets the IP address allocation time in a short time to distribute it to the network terminal 5 when the IP address of a DNS server is not stored in the address storage means 13. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
申请公布号 |
JP2009089208(A) |
申请公布日期 |
2009.04.23 |
申请号 |
JP20070258346 |
申请日期 |
2007.10.02 |
申请人 |
NIPPON HOSO KYOKAI <NHK>;IND:KK |
发明人 |
TAMARU OSAMI;FURUKAWA TOMOAKI |
分类号 |
H04L12/46;H04L12/66;H04L12/70;H04M11/00 |
主分类号 |
H04L12/46 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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