The term facilities management refers to outsourcing part of one's services, i.e. entrust all or part of the management of the information system to a third-party computer service provider.
The provision of services is documented in a service contract (or Service Level Agreement, SLA) which defines the terms and conditions the service provider agrees to and the expected Quality of Service (QoS).
Facilities management has its advocats and components, considering that:
Generally speaking, facilities management is always chosen in full awareness of total costs (TCO, Total Cost of Ownership), comprising the price of the computer material, networks, maintenance of competences of the computer teams and possibly the costs incurred as a result of service shutdowns and/or updates.