Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yukiko Takeda0
Hidenori Inouchi0
Keisuke Takeuchi0
Shinsuke Suzuki0
Date of Patent
September 28, 2010
0Patent Application Number
107828370
Date Filed
February 23, 2004
0Patent Primary Examiner
Patent abstract
Information on whether a prefix is distributable to a MN is held by a CA. The server section of the HA allots prefix information to a MN approved by the CA. When the server section of the HA receives an IKE packet from the MN, the server section generates an IPsec SA after checking the prefix information in the server section. The server section allows an MN location registration request to fulfill the IPsec SA. The CA approves distribution of a prefix to the MN and verifies that the MN is genuine by generating an IPsec SA with the HA by utilizing the prefix distributed by the MN.
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