VMware NSX provides network virtualization and security to help organizations address challenges around speed, agility, and security. NSX reproduces network functions in software, including switching, routing, firewalling, and load balancing. It enables micro-segmentation for enhanced security and reduces the risk of data breaches. NSX also automates network provisioning and management to accelerate service delivery and reduce manual errors and costs. Additionally, NSX provides disaster recovery capabilities and optimizes infrastructure utilization.