SmartOS provides efficient, reliable, and high-performing cloud infrastructure through hardware and OS virtualization. It contains features that give enterprises the best tools for managing applications and data, and for troubleshooting problems. SmartOS ensures clouds never go down through its strong foundation, security and data integrity protections, and ability to scale up and out through automatic CPU bursting and fast provisioning. It also provides unprecedented observability into the software stack in real time through DTrace. SmartOS allows flexibility to run Windows and Linux applications through KVM while maintaining performance and scale.