USER IDENTIFIER MANAGEMENT METHOD, MOBILE IP AGENT AND HOME AGENT

摘要

PROBLEM TO BE SOLVED: To guarantee communication of a location registered MN by preventing generation of IPsec SA from different MN for the same user identifier as established IPsec SA in processing of IKE phase 2. SOLUTION: A user identifier notified by the IKE phase 2 from a mobile node and cookie information are held on a mobile IP agent, cookie information corresponding to the user identifier notified by the IKE phase 2 is compared with cookie information provided by IKE phase 1, thereby preventing generation and location registration of the same IPsec SA from the different MN. COPYRIGHT: (C)2006,JPO&NCIPI