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公开(公告)号：AU2335300A
公开(公告)日：2000-07-24
申请号：AU2335300
申请日：2000-01-07
Applicant: ERICSSON TELEFON AB L M
Inventor： RINMAN MARTIN , JERRESTAM DAN , CHENG YI , BJORUP LARS
Abstract: In a radio telecommunication system, the performance of a mobile unit can be significantly improved during a hand-over procedure by reusing existing security associations that correspond to the mobile unit. By reusing existing security associations, a mobile unit can begin secure communications immediately following the hand-over. Otherwise, and in accordance with conventional practice, the mobile unit will have to undertake the time consuming task of renegotiating the required security associations, before it can begin transmitting and receiving secure communications.
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公开(公告)号：AU2952300A
公开(公告)日：2000-08-29
申请号：AU2952300
申请日：2000-01-21
Applicant: ERICSSON TELEFON AB L M
Inventor： JERRESTAM DAN , BJORUP LARS , BASILE MARCO , RINMAN MARTIN
Abstract: By employing information contained in a gratuitous address resolution protocol (ARP) message, mobile terminal registration records can be effectively and efficiently established in and removed from a network host. When a mobile terminal changes its point-of-attachment from a first network host to a second network host in a subnetwork or local area network (LAN) segment, a gratuitous ARP message is generated by the second network host, wherein the gratuitous ARP message contains an IP address associated with the mobile terminal. As the mobile terminal is no longer attached to the subnetwork or LAN segment through the first network node, the first network node, upon identifying the mobile terminal's IP address contained in the gratuitous ARP message, may undertake the task of removing any and all registration records associated with the mobile terminal, which are themselves identified by the mobile terminal's IP address, from and distinguished any other registration records being maintained by the first network node.
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