OpenSource Cloud Stacks OpenNebula - Nimbula

Based on Nimbula's Cloud Operating System technology, Nimbula Director delivers Amazon EC2-like services behind the firewall. Nimbula Director allows customers to efficiently manage both on- and off-premise resources by transforming under-utilized private data centers into muscular, easily configurable compute capacity and providing controlled access to off-premise clouds. Nimbula Director provides powerful utility-grade cloud features like policy based authorization, enabling secure multi-tenancy, topology-independent distributed network security and dynamic storage provisioning and monitoring and metering. With fast, highly automated installation and multi-platform support with flexible networking and storage. Nimbula Director dramatically simplifies the process of moving compute resources and applications into the cloud.