A VPN concentrator is a Systems Administration device that allows an individual to connect to a network from anyplace in the world, through multiple VPN tunnels. This tool is particularly useful in the age of ‘digital nomads.’
Imagine that you create a business and hire people from different parts of the world online. Now, you need all these people to connect to your company’s network and access their work files as though they were physically present at the office.
A VPN concentrator enables you to create a secure network for your workers to collaborate and get things done.
Previously, this did accomplish by consolidating a few dial-up modems to build data transfer capacity and clients associated utilizing the Remote Access Service (RAS) on Windows NT4.0. Today, VPN concentrators have changed how this is done. This tool is not only useful in the corporate setting, but also the military.
There are many free vpn for windows in the market.
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The ability to enable users access files remotely is not unique to VPN concentrators. A VPN router and site-to-site VPN connections can perform the same function. What makes VPN concentrators unique is that they can provide secure VPN tunnels for thousands of people at the same time.
The use of IPSEC is more than SSL. It provides remote users with the same level of network access that they get if they connect locally. IPSEC is more secure than SSL. However, users need to configure client software on their device to be able to connect to the VPN network.
Many businesses use IPSEC as the protocol for their VPN concentrator network. IPSEC is best to access a VPN from a fixed location like your home or office.
SSL, on the other hand, is now a ubiquitous web encryption protocol. It is built into most browsers. With SSL, there is no need for software configuration. Also, you do not need a fixed location when using the SSL protocol to access a VPN. You can connect to the network with just about any device. However, it only gives remote users access to web-based applications.
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