OpenStack is an open-source cloud computing platform that provides common services for both private and public clouds. It is composed of interrelated components that provide compute, networking, storage and other capabilities. These components include Nova (compute), Neutron (networking), Swift (object storage), Cinder (block storage), Glance (image service), Keystone (identity management) and Horizon (dashboard). Together these provide infrastructure as a service capabilities to deploy and manage virtual machines and applications across public, private or hybrid cloud environments.