In this archive of a livecast from the OpenStack Summit, Carmine Rimi, the Director of Cloud Engineering at Workday stops by to talk about the evolution of software as a service, as well as scalability and reliability of apps in a cloud environment. Workday deploys various finance and HR apps for enterprises, government and education and is moving its infrastructure onto OpenStack to deploy software-defined compute, networking, and storage. For more information, visit www.workday.com.