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'''VPN''' is an acronym for '''Virtual Private Network''', which uses public network infrastructures to provide connection or communication services for users who are travelling or in remote areas. VPN is a form of Wide Area Network ([[WAN]]) which utilizes the internet, private networks or service provider backbone network also known as the VPN backbone and specialized protocols to enable users to share files, conduct video conferencing, access to network resources, databases and websites. VPN is used to provide a private and secure connection for users.<ref>[http://ptgmedia.pearsoncmg.com/images/1587051796/samplechapter/1587051796content.pdf Chapter 1: What is a Virtual Private Network]</ref> <ref>[http://computer.howstuffworks.com/vpn.htm How VPNs Work]</ref>  

'''VPN''' is an acronym for '''Virtual Private Network''', which uses public network infrastructures to provide connection or communication services for users who are travelling or in remote areas. VPN is a form of [[WAN|Wide Area Network]] (WAN) that utilizes the Internet, private networks, or service provider backbone network also known as the VPN backbone, and specialized protocols to enable users to share files, conduct video conferencing, access network resources, databases and websites. VPN is used to provide a private and secure connection for users.<ref>[http://ptgmedia.pearsoncmg.com/images/1587051796/samplechapter/1587051796content.pdf Chapter 1: What is a Virtual Private Network]</ref> <ref>[http://computer.howstuffworks.com/vpn.htm How VPNs Work]</ref>  

==Different Types of VPN Services==

==Different Types of VPN Services==