Chapter 7NFV: Routing with NSX Edges

Network Function Virtualization (NFV) is not synonymous with Software-Defined Networking (SDN), although they are closely related and have some overlap. NSX is VMware's SDN solution for network virtualization and security. A key concept that we continue to emphasize is how NSX decouples the control and data planes. This is SDN's primary focus and is a paradigm shift from traditional network devices with network control functions and network forwarding functions combined. SDN is all about pulling these two apart, abstracting control from the physical network. If you break down the word abstract into its Latin roots, that's exactly what it means. “Tract” translates to pull or remove, and “Abs” means from. ...

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