Method and system for assigning home agent
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United States of America Patent
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Aug 12, 2014
Grant Date -
Feb 12, 2009
app pub date -
Oct 8, 2008
filing date -
May 13, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention discloses a method and system for assigning a home agent, and the method includes: indicating, by a visited network, to a home network that the visited network supports the home agent assignment; receiving, by the visited network, authorization information from the home network, the authorization information indicates the visited network is authorized for assigning the home agent; and sending, by the visited network, information about an address of the home agent to a mobile node. The invention can remedy the drawback that the home agent can be assigned to the mobile node only in the home network, thus improving the communication efficiency and reducing the delay. Further, an effective control can be enforced on assignment, so that the visited network can indicate to the home network whether it can support assigning of the home agent, and the home network can enforce a control on whether to perform assignment in the visited network.
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