VPN tunnel redirection
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United States of America Patent
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Mar 9, 2004
Grant Date -
N/A
app pub date -
Jun 30, 1999
filing date -
Jun 30, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Virtual Private Network (VPN) tunnel redirection is accomplished by automatically redirecting tunnel initiator or network source for incoming call to another tunnel terminator or network destination according to traffic load, resource availability, or system reliability in VPN environment. Pointed terminator redirects call by sending special call clear message to tunnel initiator with IP address of recommended terminator in pool or set during PPP authentication. Initiator terminates current session with pointed terminator, establishes tunnel and/or session with recommended terminator, and starts processing again without terminating incoming call.
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