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. https://blogs.technet.microsoft.com/networking/2015/07/07/kb-troubleshooting-and-data-collection-in-windows-server-2012-r2-hyper-v-network-virtualizat
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KB: TROUBLESHOOTING AND DATA COLLECTION IN WINDOWS SERVER 2012 R2 HYPER-V NETWORK VIRTUALIZATION (HNV) ENVIRONMENTS
In Windows Server 2012 R2 and Microsoft System Center 2012 R2 Virtual Machine Manager (SC 2012 R2 VMM), Microsoft provides an end-to-end network virtualization solution. The following four major components make up the Microsoft network virtualization solution: Windows Azure Pack (WAP) for Windows Server provides a tenant-facing portal to create virtual networks. System Center 2012 R2 Virtual Machine Manager (VMM) provides centralized management of the virtual networks. Hyper-V Network Virtualization (HNV) provides the infrastructure that is needed to virtualize network traffic. Hyper-V Network Virtualization gateways provide connections between virtual and physical networks. Hyper-V Network Virtualization provides virtual networks (known as VM networks) to virtual machines in a way that resembles how server virtualization (the Hyper-V hypervisor) provides virtual machines to the operating system. Network virtualization decouples virtual networks from the physical network infrastructure and removes the constraints of VLAN and hierarchical IP address assignment from virtual machine setup. This flexibility makes it easy for customers to move to IaaS clouds and makes it efficient for hosters and datacenter administrators to manage their infrastructure while they maintain the necessary multi-tenant isolation, security requirements, and supporting overlapping virtual machine IP addresses. KAUSHIK AINAPURE READ MORE