Virtual Private Networks (VPN)
VPN is a computer network on top of a primary network. The data that travels over VPN is not visible to the primary network, therefore making it secure and restricted access only for those who
A secure, well-designed VPN is a company’s well of benefits. Some of the perks include:
- Improved network security
- Reduced operational costs compared to traditional WAN
- Decreases transit time and transportation costs for remote users
- Improved productivity
- Simple network topology
- Opening networking opportunities
- Offering telecommuter support
- Provides faster ROI (return on investment) than traditional WAN
Types of VPN
- Remote-Access VPN
Also called as virtual private dial-up network (VPDN). This is mostly used by a company that has employees who need to connect to private network from several remote locations.
- Site-to-Site VPN This is most common on companies that has several branches and requires private network connection on all sites, or on partner sites, and is achieved through the use of dedicated equipment and large-scale encryption. There are two ways to do it; one is Intranet-based creates VPN to connect LAN to LAN, while Extranet-based is similar, however it sets a common ground by allowing users on VPN to work on a shared environment.
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