Route optimization technique for mobile IP
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United States of America Patent
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Feb 19, 2008
Grant Date -
Jun 27, 2002
app pub date -
Dec 22, 2000
filing date -
Dec 22, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to mobile data communications in general, and more specifically, the present invention describes a route optimization technique requiring no awareness of the Mobile IP protocol by a Correspondent Node when forwarding traffic using the shortest path between a Mobile Node and the Correspondent Node in a visiting domain. The invention describes the management of route entries, network address translations and firewall filters in order to provide a secure, yet, flexible deployment of Mobile IP route optimization. Specific considerations are described for the case of separate Foreign Agent and co-located care-of address respectively.
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