What are the different types of VPN?a. Remote Access VPN:- Also called as Virtual Private dial-up network (VPDN) is mainly used in scenarios where remote access to a network becomes essential. Remote access VPN allows data to be accessed between a company’s private network and remote users through a third party service provider; Enterprise service provider. E.g. Sales team is usually present over the globe. Using Remote access VPN, the sales updates can be made.
b. Site to Site VPN– Intranet based: This type of VPN can be used when multiple Remote locations are present and can be made to join to a single network. Machines present on these remote locations work as if they are working on a single network.
c. Site to Site VPN– Extranet based: This type of VPN can be used when several different companies need to work in a shared environment. E.g. Distributors and service companies. This network is more manageable and reliable.