Goal of The Paper. What exactly is a VPN? Why do you need a VPN? what are some of the technologies used in deploying a VPN? How does a VPN work? How many different types of VPNs? What are the advantages and disadvantages? What is the VPN future scope. Introduction.
A Virtual Private Network (VPN) is a group of two or more computer systems, typically connected to a private network (a network built and maintained by an organization solely for its own use) with limited public-network access, that communicates “securely” over a public network.
- replace expensive dedicated leased lines
- replace modem pools and eliminate long
distance dial-up fees.
- increase business efficiency
- allocating IP addresses
- creating user accounts on the gateway or
products interoperate fully with other
the significant value