A virtual private network or VPN is a network that is used to connect nodes. It is constructed using public wires. Many systems enable users to create a network using the Internet. The Internet is used as a means of transporting data. Security mechanism such as encryptations and others are used to make sure that only an authorized person can access the data stored.

Many businesses deal with a global market rather than with just local clients. Most companies today have their business interests spread out across the country or around the world. These companies need a means to conduct fast, secure and reliable communication. VPN provides a convenient way to do so. It is a private network that uses a public network such as the internet to connect remote sites or users together. The VPN technology doesn