IT infrastructure is the setup and installation of a facility’s hardware, software, and network required for a business to operate.

Today, many companies are moving their IT infrastructure to the cloud with IaaS (Infrastructure-as-a-service) or PaaS (Platform as a Service). See our PaaS page for further information.

IT infrastructure components

IT infrastructure consists of many or all of the following components.

Hardware

  • Cooling
  • Computers
  • Data center
  • Firewall
  • Routers
  • Servers
  • Switches
  • Wiring

Software

  • Business applications
  • CRM
  • ERP
  • Operating systems

People

  • Administrators
  • Developers
  • Staff or other end-users

Business terms, IT, Network terms

  • List of IT infrastructure companies and links.