
A virtual private network, or VPN, as the name suggests, is a private network that uses a public network to connect the users. It uses a ‘virtual’ tunnel on the public network, for example the Internet, to connect between the users. The main advantage of private vpn is the security that it provides with its encryption technologies and data encapsulation. VPN is an efficient method for multi-national business companies that need a cheap, fast, secure and reliable data transfer between their employees across the world, compared to the leased line technology used earlier which was very expensive. VPN services can also be used for individual connections too.
There are two kinds of VPN, a distant accessibility VPN and a site-to-site VPN. A distant accessibility VPN, which allows people to create protected relationship to the system, needs a devoted hosting server known as a system accessibility hosting server and customer application. The consumer application does the encrypted sheild of the information while the system accessibility hosting server assessments the identification of the person. A site-to website VPN is used to be connected between two or more large place systems. It can be Intranet centered, where offices of the same organization be connected via a VPN or Extranet centered, where tow different organizations (partners or clients) be connected with each other. more…




