VPN is a VPN Virtual Private Network which is an interconnected network (PC Client to LAN or LAN to LAN) which interconnect with the Public network (Internet) so that there is a connection to the VPN is veiled alias hallway or Tunneling Connection so that data is accessed (data is sent and received) is completely safe.
Here’s an example design of VPN that connects LAN to LAN between cities:
Here is an example of a VPN Server Design of Real Implementation...
