What is vpn? Well vpn stands for virtual private network. Basically it is a collection of computers in multiple locations networked or connected together through the public internet system so that they can privately share information between them. If you have ever wondered what is vpn you now have a better understanding.
A vpn server is a computer that is set up to organize the communications of the vpn client. Usually a vpn client will authenticate through the vpn server so it can share files or programs. Some type of encryption is usually used to add a layer of security between the vpn server and the vpn client.
A few years ago, it was not necessary to connect to the Internet for work purposes. As time went by, companies saw the need for local area networks to overcome the barrier of local connectivity and relocate staff and offices in other buildings, cities, regions and even in other countries.
Unfortunately, on the other side of the scale were the major investments that were needed in both hardware and software (and of course, telecommunication services as well) in order to create these service networks.
A virtual private network (VPN) is a private network constructed within a public network infrastructure, such as the World Wide Web. Companies can use virtual private networks to securely connect remote offices and users through economic Internet access provided by third parties, rather than expensive dedicated WAN links or links from long distance remote dial.
Organizations can use VPNs to reduce the cost of bandwidth WAN network, while increasing connection speeds of Internet connectivity via high bandwidth, such as DSL, Ethernet or cable.