Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yukiko Takeda1
Hidenori Inouchi1
Keisuke Takeuchi1
Shinsuke Suzuki1
Date of Patent
September 28, 2010
1Patent Application Number
107828371
Date Filed
February 23, 2004
1Patent 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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