| 摘要 |
The present invention relates to apparatus for and methods of enabling a gateway node of a first packet-switched data network to select a first channel for transferring a tunnelled data packet to a destination packet data protocol address of a mobile node provided service in the first network, the gateway node being arranged to select the first channel from a plurality of channels each being for transferring data packets to the destination packet data protocol address of the mobile node, the selecting being performed by matching a packet data protocol address, associated with a data packet received by the gateway node, to one or more data packet filters associated with the plurality of channels.
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