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Packet transfer method for hierarchical packet network, hierarchical packet communication system, and gate node, edge node and mobile terminal for use with hierarchical packet communication system, as well as handover method and routing node for packet network
Packet transfer method for hierarchical packet network, hierarchical packet communication system, and gate node, edge node and mobile terminal for use with hierarchical packet communication system, as well as handover method and routing node for packet network
A gate node reports current position information of a mobile terminal managed by the gate node itself to a communicating edge node which routes a packet destined for the mobile terminal to the gate node. The communicating edge node carries out routing of the packet destined for the mobile terminal to a resident edge node based on the reported cache information in place of the gate node. This achieves high-speed handover and route optimization free from a limitation to a packet transfer route in a packet communication system.
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