Scalable technique for ensuring real-time, end-to-end...

Details Scalable technique for ensuring real-time, end-to-end... Scalable technique for ensuring real-time, end-to-end...

2008-07-15

2008-07-15

Moise, Emmanuel L (Department: 2137)

Cryptography

Communication system using cryptography

Wireless communication

C713S168000, C726S015000, C726S021000

Reexamination Certificate

active

07400731

ABSTRACT:
A method for handing off a connection of a mobile device from a primary VPN to which the mobile device is connected to an angel VPN to which the mobile device may be connected in an Internet Protocol-based multimedia mobile network includes the steps of searching for alternative available routes to a peer, creating the angel VPN for storage in the mobile device and replacing the primary VPN with the angel VPN in a case where the primary VPN is disrupted.

REFERENCES:
patent: 7046647 (2006-05-01), Oba et al.
patent: 2004/0120328 (2004-06-01), Adrangi et al.
patent: 2004/0208151 (2004-10-01), Haverinen et al.
patent: 2005/0113109 (2005-05-01), Adrangi et al.

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