On-premises software

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Alfresco, an example of on-premises document management software Alfresco-community-201707-site-dashboard.png
Alfresco, an example of on-premises document management software

On-premises software (also known as on-premise, and abbreviated "on-prem") [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. On-premises software is sometimes referred to as “shrinkwrap” software, and off-premises software is commonly called “software as a service” ("SaaS") or “cloud computing”.

Server farm Collection of computer servers

A server farm or server cluster is a collection of computer servers – usually maintained by an organization to supply server functionality far beyond the capability of a single machine. Server farms often consist of thousands of computers which require a large amount of power to run and to keep cool. At the optimum performance level, a server farm has enormous costs associated with it. Server farms often have backup servers, which can take over the function of primary servers in the event of a primary-server failure. Server farms are typically collocated with the network switches and/or routers which enable communication between the different parts of the cluster and the users of the cluster. Server farmers typically mount the computers, routers, power supplies, and related electronics on 19-inch racks in a server room or data center.

Cloud computing Form of Internet-based computing that provides shared computer processing resources and data to computers and other devices on demand

Cloud computing is the on-demand availability of computer system resources, especially data storage and computing power, without direct active management by the user. The term is generally used to describe data centers available to many users over the Internet. Large clouds, predominant today, often have functions distributed over multiple locations from central servers. If the connection to the user is relatively close, it may be designated an edge server.

Software as a service is a software licensing and delivery model in which software is licensed on a subscription basis and is centrally hosted. It is sometimes referred to as "on-demand software", and was formerly referred to as "software plus services" by Microsoft.



There is some debate as to the grammatical correctness of the term on-premise as a synonym for on-premises. [2] [3] [4] In normal English usage, a premise is a proposition or presupposition in a logical argument, while premises (as well as being the plural of premise) means a property and its grounds, and is used only in the plural form. [5] However, the singular form premise is used to refer to property in legal contexts. [6] At technology companies and news sources the term on-premise has become a common variant of on-premises, [7] [8] and both usages are commonly understood to have the same meaning.

See also

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Premises are land and buildings together considered as a property. This usage arose from property owners finding the word in their title deeds, where it originally correctly meant "the aforementioned; what this document is about", from Latin prae-missus = "placed before".

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  1. on-premises (Webopedia)
  2. "On-Premise vs On-Premises – Who Cares?". Adam Fowler IT. Adam Fowler. Retrieved 18 January 2018.
  3. Unscramble. "On-Premises VS on premise - removing some confusion".
  4. Brian Madden (May 2014). "So apparently we lost the grammar war, and on-premises is just called "on premise" now?".
  5. https://www.merriam-webster.com/dictionary/premise
  6. https://www.etymonline.com/word/premise
  7. "Google Trends".
  8. Mary Jo Foley (June 2015). "Microsoft delivers tool for connecting on-premise directories to Azure Active Directory".