Methods and apparatus for virtual private network based mobility
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United States of America Patent
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Jul 17, 2007
Grant Date -
N/A
app pub date -
Mar 10, 2006
filing date -
Sep 19, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
Methods and apparatus for enabling VPN based mobility are provided. A VPN client having a client subnetwork address corresponding to a particular subnetwork can create a VPN tunnel using an enterprise address from a VPN server. Using the VPN tunnel, the VPN client can establish sessions with a variety of destination nodes including destination nodes on a private or enterprise network associated with the VPN server. When the client moves, the VPN client can acquire a new address that may correspond to a new subnetwork, but the VPN server provides the VPN client with the same enterprise address. Accordingly, the VPN client can maintain existing sessions with destination nodes using the same enterprise address.
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