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