Network Virtualization

Network virtualization allows network functions, hardware resources, and software resources to be delivered independently of hardware, as a virtual network. It can be used to combine many physical networks, subdivide a network, or connect virtual machines together. It enables the grouping of nodes in a virtual network and also enables the virtual network to share network resources. Communication between nodes in a virtual network without routing of frames is made possible.

Network Virtualization software enables the virtual deployment of a full network and decouples network functions from the actual hardware. It enables the use of the fundamental physical network as the packet-forwarding backplane while enabling programmatic creation, provisioning, and management of networks completely within the software. Switching, routing, firewalling, load balancing, virtual private networks, and other physical network packets are bundled and supplied in software. The underlying physical network is needed to forward Internet Protocol (IP) packets.

Network Virtualization can be done using virtual box and for that, we need virtual box installed and any OS inside the virtual box. 

The first step is to open the virtual box and click on any of the OS installed. 

Next, we have to open the settings and go to the network tab. There we have to enable the network adaptor and choose bridged as an option for the attached adapter.

Now the physical OS and the virtual OS will share the same network among them.