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    • 6. 发明公开
    • Virtual private network for real-time data
    • Virtuelles PrivatnetzwerkfürEchtzeitdaten
    • EP1732281A1
    • 2006-12-13
    • EP05105031.8
    • 2005-06-08
    • Research In Motion Limited
    • Brown, Michael K.Nagy, Thomas C.Robertson, Ian M.
    • H04L29/06
    • H04L63/0272H04L63/0428H04L63/18
    • Protection of real-time data such as voice data exchanged as packets between a mobile electronic device (10) and a VPN gateway (122) during a media session over a communications link (130) that includes a wireless network (132). A first VPN connection (136) is established between the mobile electronic device (10) and the VPN gateway (122) through the communications link (130), the first VPN connection (136) using key-based encryption to protect data exchanged therethrough. While the first VPN connection (136) is established, a second VPN connection (138) is established between the mobile electronic device (10) and the VPN gateway (122) through the communications link (130), the second VPN connection (138) using key-based encryption to protect data exchanged therethrough. Real-time data packets are exchanged between the mobile electronic device (10) and the VPN gateway (122) through the second VPN connection (138).
    • 在通过包括无线网络(132)的通信链路(130)的媒体会话期间,保护诸如在移动电子设备(10)和VPN网关(122)之间作为分组交换的语音数据的实时数据。 通过通信链路(130)在移动电子设备(10)和VPN网关(122)之间建立第一VPN连接(136),第一VPN连接(136)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(136)时,通过通信链路(130),第二VPN连接(138)在移动电子设备(10)和VPN网关(122)之间建立第二VPN连接(138) 使用基于密钥的加密来保护通过其交换的数据。 通过第二VPN连接(138)在移动电子设备(10)和VPN网关(122)之间交换实时数据分组。