NSX Advanced Load Balancer OpenStack is a set of software tools for building and managing cloud computing platforms for public and private clouds. NSX Advanced Load BalancerOpenStack allows you to deploy virtual machines and other instances that handle different tasks for managing a cloud environment instantly. It makes horizontal scaling easy, which means that tasks that benefit from running concurrently can easily serve more or fewer users on the fly by just spinning up more instances. OpenStack provides Infrastructure as a Service (IaaS).