IT infrastructure refers to the composite hardware, software, network resources and services which are very required for the existence, operation and management of an enterprise IT environment. It can be allows to the organization to deliver IT solutions and services to its employees, partners and/or customers and is usually internal to an organization and deployed within owned facilities.
IT infrastructure consists of all the components that somehow play a role in overall IT and IT-enabled operations. It can be used for internal business operations or developing customer IT or business solutions.
Typically, a standard IT infrastructure consists of the following components are like Hardware Servers, computers, data centers, switches, hubs and routers, etc. Software: Enterprise resource planning (ERP), customer relationship management (CRM), productivity applications and more. Network: Network enablement, internet connectivity, firewall and security.