A mobile terminal, a network node, and a packet transfer management node according to the present invention provide such effects that a race condition between a PMIPv6 binding by a PBU message of {TAIL ~ PMIPv6} and a CMIPv6 binding by a BU message of {HEAD ~ CMIPv6} can be resolved 
A mobile terminal , a network node , and a packet transfer management node according to the present invention provide such effects that a race condition between a PMIPv6 binding by a PBU message of { TAIL ~ PMIPv6 } and a CMIPv6 binding by a BU message of { HEAD ~ CMIPv6 } can be resolved
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