发明名称 |
Method for protecting against failures of the Mobile IP home agent, AAA server, and radio access network gateway apparatus |
摘要 |
<p>A network connection restoration method of an IP communications system having a radio access network and using Mobile IP for managing the movement of a mobile terminal is disclosed. The network connection restoration method includes the steps of (a) an AAA server selecting a first one of multiple home agents to which one the mobile terminal is to be connected at the time of authenticating the mobile terminal, (b) the AAA server detecting a failure of the selected first one of the home agents by communicating with the selected first one of the home agents, and (c) the AAA server selecting a second one of the home agents in response to step (b) detecting the failure of the selected first one of the home agents.
The foreign agent of an ASN-GW monitors a home agent, and notifies the PMIP (Proxy Mobile IP) client of the ASN-GW of the monitoring result. The PMIP client reacquires a home agent through an AAA server, and reestablishes a foreign agent-home agent tunnel.</p> |
申请公布号 |
EP1940112(A2) |
申请公布日期 |
2008.07.02 |
申请号 |
EP20070123982 |
申请日期 |
2007.12.21 |
申请人 |
FUJITSU LTD. |
发明人 |
ANDO, TATSUHIRO;MIZUMA, KEIJI;SUZUKI, HIDEHIKO |
分类号 |
H04L12/70;H04L29/06;H04L12/707;H04L12/713;H04L29/14;H04W24/04;H04W40/34;H04W80/04;H04W88/18 |
主分类号 |
H04L12/70 |
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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