What is VMware NSX?

VMware NSX is a virtual networking and security software product family created from VMware’s vCloud Networking and Security (vCNS) and Nicira’s Network Virtualization Platform (NVP) intellectual property.

NSX software-defined networking, or SDN, is part of VMware’s software-defined data center, or SDDC, concept, which offers cloud computing on VMware virtualization technologies. The company’s stated goal with NSX is to provision virtual networking environments without a command-line interface (CLI) or other direct administrator intervention.

Network virtualization abstracts network operations from the underlying hardware onto a distributed virtualization layer, much like server virtualization does for processing power and operating systems (OSes). VMware vCNS virtualizes Layers 4-7 of the Open Systems Interconnection model. Nicira’s NVP virtualizes the network fabric, Layer 2 and Layer 3.

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