Designed for hosting and SaaS, Parallels ® Virtuozzo Containers provides the highest performance and density, complete isolation and enables the broadest set of profitable services for your service provider business. As the leading OS virtualization solution, Parallels® Virtuozzo Containers creates isolated containers on a single physical server and OS instance to offer the highest levels of density, performance and manageability. OS virtualization virtualizes servers on the operating system (kernel) layer. This creates isolated containers on a single physical server and OS instance to utilize hardware, software, data center and management efforts with maximum efficiency.