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Definition
A virtual private network (VPN) is a network that uses the infrastructure of the Internet
to connect two or more 'private' networks. For example, a company with offices in
Melbourne and Sydney could use VPN technology to inter-connect the local networks
in each office. This would enable uses in each of the offices to share network resources
such as printers and files.
Prior to the introduction of VPN technology it was necessary for offices sharing network
resources to use leased lines. Leased line infrastructure is very expensive.
Mobile uses can also be connected to corporate network resources via VPN
technology.
The VPN Advantage
VPN technology offers several advantages to corporate users. First, the technology is a cost
effective way of interconnecting corporate offices and mobile users. Secondly, a correctly
configured VPN together with an appropriate privacy policy will assist in the maintainence
of corporate data.
VPN technology can also deliver process improvements to an organisation and assist in reducing
back office costs.
Implementation
A VPN may be implemented with hardware appliances or with software. The appliances (or software)
function as gateways connecting multiple networks (or personal computers). The gateways encrypt
and decrypt data as it flows through the VPN.
Many broadband modem / routers can 'pass' one or more VPN sessions from the Internet to a VPN gateway.
Other routers incorporate VPN technology within the router device.
Red Centre engineers can assist you to develop a VPN that supports your business requirements.
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