METHOD AND APPARATUS FOR SUPPORTING MOBILITY OF NODE USING LAYER 2/LAYER 3 ADDRESSES
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United States of America Patent
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Issued Date -
Jun 11, 2009
app pub date -
Jun 6, 2008
filing date -
Dec 10, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is a network-based mobility supporting method for supporting mobility of a node not having a mobility supporting function. The network-based mobility supporting method which is performed by a plurality of agents that connect a plurality of access networks to an Internet protocol core network integrating the plurality of access networks, includes: acquiring address information of a mobile node connected to an access point from the access point; transmitting the address information of the mobile node and layer 3 address information of an agent to a management unit which is located on the Internet protocol core network and manages the plurality of access networks, and registering a location of the mobile node; transmitting the layer 3 address information of the correspondent agent to the mobile node, in order to allow the mobile node to transmit a data packet to the agent; and receiving and transmitting the data packet between the mobile node and a correspondent node in consideration of the address information of the mobile node and information registered in the management unit. Therefore, it is possible to provide high-speed mobility to a mobile node.
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