On-premises software

On-premises is a usage model for computer programs (software). Here, the user acquires such a computer program and operates this yourself, so on your own hardware. Commercial software, the user pays this license and maintenance fees if applicable. It is thus also responsible for the IT management itself. Updates to the software, so-called upgrades are made ​​available by the software vendor. The software is installed on the servers of the user. Make installation and use-specific aspects for programs for pure single computer, usually the term on-premise but is mostly used for programs that are multi-user and therefore suitable for networks. The multi -user capability may be limited to simple lock a file with another user access or comprise a complete enterprise resource planning with a wide range of communication possibilities and individual modules.

Alternatives

An alternative to on-premises use of software is the so-called on-demand model, in which the software provider supports this via the Internet and grants paid a dynamic depending on demand use. The software model on-premises gets particularly in the market for collaboration software competition through hosted solutions. However, with cloud computing can be more and more applications as SaaS (English: Software as a Service) provide. Known examples of SaaS are the mail and office solutions from Google or Microsoft. When using SaaS a limit on application software or server-side applications through the use of virtualization software or remote solutions ( Remote Shell for example ) is not given, can be, for example, operating systems provide a service.

The software models on-premises, on-demand and SaaS include both commercial and freely usable solutions. In part, freely usable solutions offers reduced functionality of commercial suppliers.