This document discusses network virtualization with NSX to address challenges in modern data centers and clouds. It outlines how NSX abstracts networking and security from infrastructure, allowing for consistent policies across locations. NSX provides capabilities like logical switching, routing, load balancing and firewalling. It allows for increased automation, application continuity during disasters or across data centers, and micro-segmentation for enhanced security. NSX sees growing customer and deployment numbers and its ecosystem of partners helps drive more value.