VPN, the virtual private network is used to connect remote office and employees together so that they work together using the same resources. A VPN helps the company to reduce the transit time, operational costs, and transportation costs, and increases the productivity.
Remote access VPN and Site to Site VPN are the common two type of VPN found. In the remote access type the LAN of the company is connected to the remote user using a Network access server. This Network Access Server is provided by the Enterprise Service Provider. Using VPN client software the remote users can dialup the NAS and access the LAN of the company.
In the Site to Site VPN, the connections could be intranet or an extranet. In the intranet type different sites of the same company are connected by the internet usually. In the extranet type the company?s network is connected to say for example, their business partners, dealers, etc using the internet.
[tags]Remote Login, VPN, Piconet, LAN[/tags]