A European Commission communication issued in 2012 argued that the breadth of scope offered by cloud computing made a general definition "elusive", whereas the United States … See more

Advocates of public and hybrid clouds claim that cloud computing allows companies to avoid or minimize up-front IT infrastructure costs. Proponents also claim that cloud computing allows enterprises to get their applications up and running faster, with improved … See more

The service-oriented architecture (SOA) promotes the idea of "Everything as a Service" (EaaS or XaaS, or simply aAsS). This concept is operationalized in cloud computing through several service models as defined by the National Institute of Standards and … See more

Cloud architecture, the systems architecture of the software systems involved in the delivery of cloud computing, typically … See more

Cloud computing has a rich history which extends back to the 1960s, with the initial concepts of time-sharing becoming popularized via remote job entry (RJE). The "data center" … See more

One of the main challenges of cloud computing, in comparison to more traditional on-premises computing, is data security and privacy. Cloud users entrust their sensitive data to third-party providers, who may not have adequate measures to protect it from … See more

The deployment of services to the cloud is referred to as cloud migration.
Reverse cloud migration, also known as cloud repatriation, refers to moving cloud-based workloads back to on-premises infrastructures including enterprise data centers, colocation … See more