Virtual private network 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 -
Feb 26, 2004
app pub date -
Aug 7, 2003
filing date -
Aug 9, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A home agent (HA) is endowed with a gateway function having a security function of an enterprise network. A VPN is established beforehand between the home agent arranged in a communications carrier and a security gateway within the enterprise network, when a service contract is made between the communications carrier and the enterprise. As a result, co-located mode of a mobile node (MN) is used, and VPN information according to a security level of a network that accommodates the mobile node is distributed in a location registration procedure of a mobile IP, so that a VPN that effectively uses a tunnel set-up process of the mobile IP is configured.
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