The term IT infrastructure is defined in a standard called Information Technology Infrastructure Library (ITIL) v3 as a combined set of hardware, software, networks, facilities, etc. (including all of the information technology), in order to develop, test, deliver, monitor, control or support IT services. Associated people, processes and documentation are not part of IT Infrastructure.
ITIL documents define best practices and accepted techniques in the information technology community. This set of guidelines is widely used in both the public and private sector, essentially providing companies with a blueprint on how to organize and manage information technology operations at the company. The library is constantly updated to ensure accuracy and to include emerging technological advances. ITIL provides a systematic and professional approach to the management of IT service provision, and offers the following benefits: