Since its start in the summer of 2010, the OpenStack open source cloud computing project has been the subject of a lot of hype. Today, the technology, backers and users of OpenStack are giving substance to all of that sizzle, and skepticism is giving way to service provider and enterprise use cases across the globe. OpenStack is relatively immature and still requires a high degree of technical aptitude to deploy, but its community continues to grow in the number of providers as well as users, with both groups focused on making the software easier to deploy, manage and scale. 
