| 摘要 |
<p>A technique is disclosed whereby a mobile communication apparatus (MN) having a plurality of interfaces (IFs) performs fast handovers (FMIP) and changes a packet transfer destination using its own multiple IFs, so that packet transmission/reception using an appropriate IF for the MN is enabled. According to this technique, an MN 10 transmits, to an access router (AR) 21, an FBU message that includes, as an packet transfer destination used during a period in which the FMIP is performed for the handover from an access point (AP) 22 to an AP 32, an address that is allocated to an IF currently connected to the AP 12, and notifies the AR 21 to that effect. After the handover has been completed, the packet transfer destination is changed to the IF that is re-connected. Even when the handover for one IF is performed, the MN 10 can receive a packet using the IF having an address designated as a transfer destination, and further, when the handover has been completed, can perform communication using the IF designated before the FMIP was performed.</p> |
