# On-premises

Concept · [Cloud, hosting and security](https://ecosystem.samcarlton.com/cloud)

Also called: on-prem, on prem, on-premise, self-managed servers, in-house servers

Running software on [servers](https://ecosystem.samcarlton.com/server) an organization owns and keeps in its own building or [data center](https://ecosystem.samcarlton.com/data-center), instead of in [the cloud](https://ecosystem.samcarlton.com/terms/cloud).

**For example:** A bank keeps its core system on-premises but runs its marketing site in [the cloud](https://ecosystem.samcarlton.com/terms/cloud).

## Connects to (5)

- [Cloud](https://ecosystem.samcarlton.com/terms/cloud): Computers and storage that you rent over the internet from a large provider, instead of owning the machines yourself.
- [Server](https://ecosystem.samcarlton.com/server): A computer that stays on and connected to the internet so it can run your app and answer requests from people's phones and browsers.
- [Data center](https://ecosystem.samcarlton.com/data-center): A building that houses the computers, storage and network equipment that run online services, along with the power and cooling they need.
- [Managed service](https://ecosystem.samcarlton.com/managed-service): A service where the provider handles the upkeep instead of the customer's own team.
- [VPC](https://ecosystem.samcarlton.com/vpc): Virtual private cloud.

Map view: https://ecosystem.samcarlton.com/on-premises