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Reverse cloud migration, also known as cloud repatriation, refers to moving cloud-based workloads back to on-premises infrastructures including enterprise data centers, colocation providers, and managed service providers. Cloud repatriation occurs due to security concerns, costs, performance issues, compatibility problems, and uptime concerns.
Alfresco, an example of on-premises document management software An Example of on-premises software (MediaWiki). On-premises software (abbreviated to on-prem, and often written as "on-premise") [1] is installed and runs on computers on the premises of the person or organization using the software, rather than at a remote facility such as a server farm or cloud.
Infrastructure as a service (IaaS) is the most basic form of cloud computing, where infrastructure resources—such as physical computers—are not owned by the user but instead leased from a cloud provider. As a result, infrastructure resources can be increased rapidly, instead of waiting weeks for computers to ship and set up.
In the case of a hybrid model, the software product offers a combination of cloud-based SaaS functionality and on-premises capabilities. It allows organizations to deploy the software partly in the cloud, and partly on their local infrastructure or inside their Virtual Private Cloud depending on their specific requirements and preferences.
Services can be scaled on-demand by the user. According to the Internet Engineering Task Force (IETF), such infrastructure is the most basic cloud-service model. IaaS can be hosted in a public cloud (where users share hardware, storage, and network devices), a private cloud (users do not share resources), or a hybrid cloud (combination of both).
Cloud storage is a model of computer data storage in which data, said to be on "the cloud", is stored remotely in logical pools and is accessible to users over a network, typically the Internet. The physical storage spans multiple servers (sometimes in multiple locations), and the physical environment is typically owned and managed by a cloud ...
Cloud computing and storage provide users with the capabilities to store and process their data in third-party data centers. [1] Organizations use the cloud in a variety of different service models (with acronyms such as SaaS, PaaS, and IaaS) and deployment models (private, public, hybrid, and community).
Multicloud (also written as multi-cloud or multi cloud) is a term with varying interpretations, generally referring to a system using multiple cloud computing providers. According to ISO /IEC 22123-1: "multi-cloud is a cloud deployment model in which a customer uses public cloud services provided by two or more cloud service providers".