I think you would mean Virtual Private Network (VPN), if not then no need to read on.
A VPN is a way of creating a environment where hosts that are not on the same network or lan to be apart of a Logical environment (VPN) as if they are all connected locally. This is good for security reasons, or simply to separate computers from others such as in a business where you want each room on a VPN. I Hope this helps you. If not, please message me.
VPN (virtual private network)
A virtual network requires virtual network software in order to run. An example of such software is VirtualBox, although there are many suitable alternatives as well.
External virtual networks.Use this type when you want to provide virtual machines with access to a physical network to communicate with externally located servers and clients. This type of virtual network also allows virtual machines on the same virtualizationserver to communicate with each other. This type of network may also be available for use by the management operating system, depending on how you configure the networking. (The management operating system runs the Hyper-Vrole.) For more information, see "A closer look at external virtual networks" later in this topic.NoteHyper-Vdoes not support wireless networks. An external virtual network provides access to a physical network through a wired physical network adapter.Internal virtual networks.Use this type when you want to allow communication between virtual machines on the same virtualizationserver and between virtual machines and the management operating system. This type of virtual network is commonly used to build a test environment in which you need to connect to the virtual machines from the management operating system. An internal virtual network is not bound to a physical network adapter. As a result, an internal virtual network is isolated from all external network traffic.Private virtual networks. Use this type when you want to allow communication only between virtual machines on the same virtualizationserver. A private virtual network is not bound to a physical network adapter. A private virtual network is isolated from all external network traffic on the virtualizationserver, as well any network traffic between the management operating system and the external network. This type of network is useful when you need to create an isolated networking environment, such as an isolated test domain.
VPN (Virtual Private Network)
A virtual network adapter can also be used with a virtual private network (VPN), which is a network that uses a public telecommunication infrastructure, such as the Internet, to provide remote offices or individual users with secure access to their organization's network.
The Virtual Private Network Consortium is an international trade association for Virtual Private Network providers, helping to facilitate customer understanding of VPN technologies as well as sales. It was founded in the year 1999.
VPN virtual privet network
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Network Virtualization (NV) refers to abstracting network resources that were traditionally delivered in hardware to software. NV can combine multiple physical networks to one virtual, software-based network, or it can divide one physical network into separate, independent virtual networks.
Virtual Private Network
virtual network computing
Virtual Private Network