Mastering Proxmox - Third Edition

Exploring virtual networks

A virtual network is a software-defined network where all links and components may or may not have direct interaction with physical hardware. In most cases, direct interaction with physical hardware is made by the hypervisor or host controller. All links between virtual machines, virtual switches, virtual bridges, and virtual network interfaces are made completely virtually. The following are the two types of network virtualization:

• External network virtualization: This consists of several local networks operating as one virtual network. Physical LANs can be in the same location or spread over multiple locations. Usually, external virtualization is a cloud network service-based model that multiple companies can ...