An on-premise infrastructure is physically accessible by your staff. Cloud infrastructure is not hosted remotely and not accessible by your staff.
With on-premise computing, you
- own the servers and other hardware
- hire technical staff to setup, run, and maintain the infrastructure
- pay rent or own the real estate
- own all the risk associated with running a physical infrastructure
With cloud compuring,
- cloud provider owns the servers
- cloud provider hires the technical staff
- cloud provider pays rent or own the real estate
- cloud provider is responsible for running the physical infrastructure