VMware NSX solves these data center challenges by delivering a completely new operational model for networking. This model breaks through current physical network barriers and allows data center operators to achieve orders of magnitude better agility and economics.
VMware NSX exposes a complete suite of simplified logical networking elements and services including logical switches, routers, firewalls, load balancers, VPN, QoS, monitoring, and security. These services are provisioned in virtual networks through any cloud management platform leveraging the NSX APIs and can be arranged in any topology with isolation and multi-tenancy. Virtual networks are deployed non-disruptively over any existing network and on any hypervisor.

Key Features of NSX
• Logical Switching – Reproduce the complete L2 and L3 switching functionality in a virtual environment, decoupled from underlying hardware
• NSX Gateway – L2 gateway for seamless connection to physical workloads and legacy VLANs
• Logical Routing – Routing between logical switches, providing dynamic routing within different virtual networks.
• Logical Firewall – Distributed firewall, kernel enabled line rate performance, virtualization and identity aware, with activity monitoring
• Logical Load Balancer – Full featured load balancer with SSL termination.
• Logical VPN – Site-to-Site & Remote Access VPN in software
• NSX API – RESTful API for integration into any cloud management platform

NSX Use Cases
NSX is the ideal solution for data centers with more than 500 virtual machines. NSX delivers immediate benefits for innovative multi-tenant cloud service providers, large enterprise private and R&D clouds and multi-hypervisor cloud environments.