A Virtual Private Network is a network technology that creates a secure network connection over a public network such as the Internet or a private network owned by a service provider. Large corporations, educational institutions and government agencies use VPN technology to enable remote users to securely connect to a private network. a lot of VPn work in many site. If we visit the what is best vpn service link we know many things about it. Actually A VPN can connect multiple sites over a large distance just like a Wide Area Network (WAN). VPNs are often used to extend intranets worldwide to disseminate information and news to a wide user base.Thanks a lot.