Cloud Computing

Cloud computing refers to a computing model in which digital resources and network services are delivered to end users via the Internet on an on-demand basis. While cloud computing itself is sometimes referred to as the cloud, this simplified term is more accurately applied to the virtual space where applications, network infrastructure, software, digital files, and other cloud computing assets are stored.

According to the National Institute of Standards and Technology (NIST), cloud computing has five essential characteristics. First, it is a self-service model that allows users to access cloud assets on demand and without the need to deal with human intermediaries. Next, it delivers services via standard computing networks, a feature the NIST calls broad network access....