Facts on Virtual Private Networks
It is irrefutably true to note that a virtual private network is a network that is built on the Internet and is used to connect to a private network. An interesting fact is that it can also be defined as systems that enable the user to create networks using the Internet as the data transportation medium. An interesting fact is that it is mostly used by company workers to access the company’s intranet while they are away from the business premises. An interesting fact to note is that the system creates the appropriate security level to the connected system when the underlying infrastructure cannot provide for it.
VPNs are of two types, that is, remote access and site-to-site VPNs. A remote access VPN uses an open public telecommunication infrastructure like the internet to grant secure remote access to the organization’s private network. It is a fact worth noting that this VPN is necessary when employees are using a public Wi-Fi hotspot or other avenues to connect to the internet and connect to the corporate network. It is absolutely important to highlight that a VPN client on the remote user’s mobile device or computer connects to a secure VPN gateway on the corporate network and then after a secure authentication a link is created back to the device, which allows it to reach internal network resources like intranets and printers. It is amazing to note that a remote-access VPN usually uses IPsec or Secure Sockets Layer (SSL) to secure the connection though SSL VPNs are limited and can only supply to a single application instead of an entire internal network.
It is fascinating to note the fact that a site-to-site VPN, on the other hand, uses a gateway device to link an entire network in a single location to a separate network in another area. It is undoubtedly true to state that this mostly happens when a small branch is trying to connect to the data center at the headquarters. It is absolutely true that unlike remote access in the case of VPNs, end-node devices that use site-to-site VPNs do not need VPN clients because the gateway takes care of the connection. It is impeccable to emphasize that in most cases, site-to-site VPNs that connect over the internet use IPsec and they mostly use carrier MPLs clouds.
VPNs can also be used between specific computers such as servers in separate data centres. In most instances this happens when the security needs of the exchanges are beyond what the enterprise network can deliver. It is incredible to highlight that there has been an increase in the use of VPN connections in either remote access or site-to-site modes to connect to resources in a public infrastructure environment. It is worth acknowledging that technology has advanced such that hybrid VPNs can also be used on the cloud which provides a secure link from the cloud to the internal network.Overwhelmed by the Complexity of Services? This May Help
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