IT infrastructure

What is IT infrastructure?

Information technology infrastructure (IT infrastructure) refers to hardware, software and networking components enterprises rely on to manage and run their IT environments effectively.

IT infrastructure is a broad term that encompasses various technologies and devices, including servers, data storage systems, networking devices, operating systems (OS) and more.

Today, IT infrastructure underpins the core business operations of many successful companies, enabling core business processes like process automation, cloud computing and the deployment of software applications. It has also become a key enabler of transformative technologies, like artificial intelligence (AI) and generative AI (gen AI), providing the robust network infrastructure and IT services they require to flourish.

Globally, the demand for IT infrastructure, IT systems and IT infrastructure security is growing rapidly, driven in part by the growth of cloud computing and the specific infrastructure needed to support it, known as cloud infrastructure. Over the next seven years, the market for IT infrastructure is expected to grow at a compound annual growth rate (CAGR) of 10.5%, from USD 120 billion to USD 241 billion.¹

The largest providers of IT infrastructure solutions are, understandably, some of the most recognizable names in tech, including Amazon Web Services (AWS), Microsoft (Azure) and IBM.

How does IT infrastructure work?

IT infrastructure is composed of hardware components, like computers and servers, that rely on software components, like operating systems, to function. Working together, these components enable a wide range of IT services and capabilities.

Key components of IT infrastructure

IT resources are typically categorized in two groups: Hardware and software. Here’s a closer look at the characteristics of each.

Hardware components: Hardware components form the bedrock of most IT infrastructure environments. Examples include simple network devices, like servers and routers, as well as more complex tools like data storage, firewalls and routers. End-user hardware components like computers and mobile devices allow employees to exchange data and services and share resources to meet an organization’s business needs.

Software components: Software components allow IT operations teams to manage the critical resources that make up IT infrastructure. The OS, for example, is a software platform that enables important applications like content management systems (CMS), enterprise resource planning (ERP) and customer relationship management (CRM) to function. IT infrastructure software applications are some of the most popular business applications in the world, including well-known examples like SAP, Salesforce, HubSpot and more.

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