Virtual private network for real-time data
US7565689B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 8, 2005 |
| Grant date | Jul 21, 2009 |
| Priority date | — |
| Expiry date | Jul 14, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/18
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
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).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.