IT infrastructure

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 (information technology) 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 (customer relationship management)
• ERP (enterprise resource planning)
• Operating systems

People

• Administrators
• Developers
• Staff or other end-users

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