– Focuses on delivering IT services driven by user requests
– No human interaction with the cloud provider
– Cloud computing provides a means of delivering computing services that makes
the underlying technology, beyond the user device, almost invisible • Ubiquitous network access
– Focuses on delivering IT services anytime, anywhere, and through user-chosen devices
– Users accessing services via Internet technologies expect a secure, “always-on” computing infrastructure that delivers as easily and reliably as electricity from a wall outlet