A VPN is known as the virtual private network extends a private network across a public network,such as internet.It enables a computer to send and receive data across shared or public networks as if it were directly connected to a private network while benefiting from the functionality security and the management policies of the private network.<a href="http://disappearvpn.com/">Disappear VPN</a>This is done by establishing a virtual point to point connection through the use of dedicated connections,encryption or a combination of the two, To prevent disclosure of a private information, VPNs typically allow only authenticated remote access and make use of encryption techniques.Tunnel end points must authenticate before secure VPN tunnels can be established.Tunneling protocols can operate in a point to point network topology that would theoretically not be considered as a VPN.
