Virtual networking has been one of the most crucial aspects of Hyper-V. The same has evolved quite a bit from the first release of Hyper-V. The Hyper-V Extensible Switch replaces and adds upon the features of the older virtual network. In the Hyper-V architecture, the virtual switch sits in the parent partition of the management host and provides the network path to the respective child partitions over the VMBus. The diagram had a simpler outlook until Hyper-V 2.0 and Windows 2008 R2 Sp1. The new Extensible Virtual Switch adds extensions as layers to the structure, presenting a greater level of functionality and monitoring, and ensuring control over workload isolation and network security. The Extensible Switch was released as a feature packed with Windows 2012, allowing end users to benefit from the network virtualization concept, implemented as Hyper-V Network Virtualization (HNV). End users may use the virtual switch as is or link third-party-vendor...