| 摘要 |
A first group of core network (CN) nodes are arranged for transmitting a change request from a source to a target radio network controller (RNC), to a CN node selected from the set of CN nodes to which the target RNC is connected. Relating to a communication in progress with a first RNC ( 11 ) and a first CN node ( 13 ), for which a change from the first to a second RNC ( 12 ) is requested: the change request is transmitted from the first CN node to a second CN node ( 14 ) of the first group, and is forwarded from the second to a third CN node ( 15 ) selected, according to predetermined criteria, from the set of CN nodes to which the second RNC is connected.
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