发明名称 |
Mobile node, mobility control apparatus, communication control method, communication system, and data format |
摘要 |
<p>An object of the present invention is to decrease a care-of address update duration in switching of a link used for connection to an IP network by a mobile node (MN). MN acquires a list of access routers (ARs) existing on neighboring links to the link used for connection by the mobile node and creates a list of care-of addresses (CoAs) corresponding to the respective ARs entered in the list, each CoA being used as a destination of MN at a link on which an AR corresponding thereto exists. After the change of the connected link, MN acquires a data link layer address of AR existing on the link after the change and detects a default router on the basis of the address with reference to the access node list. Furthermore, MN detects a CoA with a network prefix corresponding with a subnet prefix of the default router, as a primary CoA and requests MAP to register a binding between the primary CoA and HoA. <IMAGE></p> |
申请公布号 |
EP1432208(A3) |
申请公布日期 |
2005.10.19 |
申请号 |
EP20030029301 |
申请日期 |
2003.12.18 |
申请人 |
NTT DOCOMO, INC. |
发明人 |
TAKAHASHI, HIDEAKI;OMAE, KOJI;INOUE, MASAHIRO;OKAJIMA, ICHIRO;UMEDA, NARUMI |
分类号 |
H04W40/34;H04L12/70;H04L12/701;H04L29/06;H04W36/36;H04W48/00;H04W48/16;H04W80/04;H04W88/00;(IPC1-7):H04L29/06 |
主分类号 |
H04W40/34 |
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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