IP mobility in mobile telecommunications system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Sep 8, 2005
app pub date -
Feb 25, 2005
filing date -
Mar 8, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to arranging data transmission for a mobile node in a telecommunications system comprising a secure network and an insecure network. A connection to a secure network for a mobile node may be arranged by a home agent if the mobile node is accessing the secure network directly or via a third network other than the insecure network, or a connection to the secure network may be arranged by a VPN node if the mobile node is accessing the secure network via the insecure network. According to a first aspect of the invention, the VPN node and the home agent are configured to allocate the same IP address as an internal IP address and as a home address.
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