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Method for providing mobility of mobile node in packet transport network, packet transport network system and Gateway switch
Method for providing mobility of mobile node in packet transport network, packet transport network system and Gateway switch
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机译:在分组传输网络中提供移动节点的移动性的方法,分组传输网络系统和网关交换机
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摘要
A method for providing mobility of a mobile node in a packet transport network, and a packet transport network system are provided. The packet transport network system includes a plurality of gateway switches configured in a plurality of packet transport access networks to connect a packet transport core network and transmit/receive a packet to/from a certain terminal via a certain access switch. When the certain terminal moves, each gateway switch updates a tunnel mapping and management table according to the movement of the certain terminal, allocates a pre-set tunnel by using information included in the tunnel mapping and management table, and transmits/receives a packet to/from a counterpart terminal via the allocated tunnel. Thus, a packet loss and delay due to the influence of handover occurring when the mobile node moves between networks can be minimized and the handover procedure can be simplified.
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