VPN Over Satellite: A Comparison Of Approaches Various solutions to carrying IP traffic over satellite have been proposed, but each one has had some limitation that prevented it from becoming widely adopted. Recently Encore Networks released their VSR-30 3DES VPN device, which offers the most popular features of IPSEC appliances, but leaves the IP header unencrypted. This feature makes the VSR-30 attractive for satellite-based VPN applications...... Similar Editorial : by Gary Gresham. | Source : Home Wireless Networking