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    • 8. 发明授权
    • Virtual private network for real-time data
    • 用于实时数据的虚拟专用网
    • US08239934B2
    • 2012-08-07
    • US12470807
    • 2009-05-22
    • Michael K. BrownThomas C. NagyIan M. Robertson
    • Michael K. BrownThomas C. NagyIan M. Robertson
    • G06F9/00
    • H04L63/0272H04L63/062H04L63/18H04W12/02
    • Protection of real-time data such as voice data exchanged as packets between a mobile electronic device and a VPN gateway during a media session over a communications link that includes a wireless network. A first VPN connection is established between the mobile electronic device and the VPN gateway through the communications link, the first VPN connection using key-based encryption to protect data exchanged therethrough. While the first VPN connection is established, a second VPN connection is established between the mobile electronic device and the VPN gateway through the communications link, the second VPN connection using key-based encryption to protect data exchanged therethrough. Real-time data packets are exchanged between the mobile electronic device and the VPN gateway through the second VPN connection.
    • 在包括无线网络的通信链路的媒体会话期间,保护实时数据,例如在移动电子设备和VPN网关之间作为分组交换的语音数据。 通过通信链路在移动电子设备和VPN网关之间建立第一个VPN连接,第一个VPN连接使用基于密钥的加密来保护通过其交换的数据。 当建立第一VPN连接时,通过通信链路在移动电子设备和VPN网关之间建立第二VPN连接,第二VPN连接使用基于密钥的加密来保护通过其交换的数据。 通过第二个VPN连接在移动电子设备和VPN网关之间交换实时数据包。