Scalable technique for ensuring real-time, end-to-end security in a multimedia mobile network

摘要

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.