发明名称 Virtual private network for real-time data
摘要 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.
申请公布号 US8239934(B2) 申请公布日期 2012.08.07
申请号 US20090470807 申请日期 2009.05.22
申请人 BROWN MICHAEL K.;NAGY THOMAS C.;ROBERTSON IAN M.;RESEARCH IN MOTION LIMITED 发明人 BROWN MICHAEL K.;NAGY THOMAS C.;ROBERTSON IAN M.
分类号 G06F9/00 主分类号 G06F9/00
代理机构 代理人
主权项
地址