| 摘要 |
A proxy mobile IP system comprises: a mobile terminal including a time management/notification unit; the time management/notification unit alerting time information, managed by the mobile terminal itself, to an access gateway at the time of access authentication in proxy mobile IP (Internet Protocol) communication; the access gateway; the access gateway including a time information acquisition/management unit alerting the time information, received from the mobile terminal, to a mobility anchor, at the time of performing proxy mobile IP registration in the proxy mobile IP communication, as the time information received from the mobile terminal is carried on a registration notification message; and the mobility anchor; the mobility anchor including a time information acquisition/management unit alerting the registration notification message including the time information to a proxy mobile IP registration unit responsible for performing proxy mobile IP registration.
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