What is IT Infrastructure ?


IT infrastructure refers to the combined group of technology elements including hardware, software, networks, facilities, and all the necessary components that support the management, processing, and storage of information.

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What are the components of IT infrastructure?

IT infrastructure consists of many moving parts and it’s sensible to group these different components into groups. One way to group it is into hardware, software, networking and associated facilities.

This serves as the foundation for an organisation's information technology services and solutions, enabling the delivery and support of applications, communications systems, and data management. This comprehensive framework allows for the efficient functioning and administration of an organisation's IT environment, including its computational power, data storage and networking.

It is crucial in driving business functions, improving communication, creating efficiencies, and increasing productivity. When properly implemented, this can provide a competitive edge in the market and contribute significantly to a business's profitability. Conversely, if not properly implemented, businesses can face issues such as system disruptions, breaches, and connectivity problems.

Hardware

Hardware refers to physical components that are the core of IT infrastructure. These include servers, computers, connectivity, and peripheral equipment. Hardware components are essential for running applications, storing information, and enabling connectivity.

They include servers, which are powerful computers that provide shared resources or services to the network; personal computers, which are used by individuals to access these resources; and network devices, such as routers and switches, which direct data around the system.

Other components include storage, which stores information, and peripherals, such as printers and scanners, which provide additional functionality.

Network

These components include the physical components and protocols that enable communication and data exchange between devices, and users within a network. Network equipment typically includes routers, switches, hubs, repeaters, gateways, bridges, and modems.

Network infrastructure facilitates the connection of devices in a network, supports information transfer, and enables information sharing and collaboration.

Software

This category refers to the programs and operating systems that run on physical components and provide services to the users.

That includes systems, such as the OS, which manages it and creates an environment for the applications to run, which are programs that perform specific tasks for users, such as word processing, database management, and email. Software is essential for managing systems and running applications.

Facilities

In IT infrastructure facilities refer to the physical and virtual environments that house the equipment and networking components. This includes data centres, which are dedicated spaces used to house computer systems and related items.

Facilities also include power, cooling, and communications that provide light, power for computers and telephones, and cooling to keep equipment cool and people comfortable. The management of these facilities is crucial to ensure the reliable and efficient operation of the IT infrastructure.

Types of IT Infrastructure

Traditional infrastructure

Traditional IT infrastructure refers to the physical items and systems that are owned, managed, and operated by an organisation. This typically includes data centres, servers, communications equipment, desktop computers, and enterprise application solutions.

These components are usually installed on-premises for private use by the company. The traditional infrastructure setup requires more power, physical space, and money than other types. It is often used by businesses that need to maintain high levels of control over their data and systems.

Cloud infrastructure

Cloud infrastructure is a model where the IT resources are accessed over the internet, rather than being owned and managed in-house. This includes physical equipment, abstracted resources, and communications that are needed for cloud computing.

The resources are typically distributed across multiple locations. The cloud allows for the on-demand availability of computer system resources, especially data storage and computing power, without direct active management by the user. This model is often used by businesses that need to scale quickly, want to reduce upfront capital expenses or require the flexibility to work from anywhere.

Hyperconverged infrastructure

Hyperconverged infrastructure (HCI) is IT that virtualizes elements of conventional "hardware-defined" configurations. HCI typically runs on commercial off-the-shelf (COTS) servers.

The primary difference between converged and hyperconverged infrastructure is that in HCI, the software-defined elements, including software-designed-storage, are implemented in the context of the hypervisor. This type of infrastructure is often used by businesses that want to simplify their IT operations, improve scalability, or reduce the complexity of their IT environment.

In turn, High Performance Computing (HPC) aggregates computing power, using clusters of powerful processors working in parallel, to process massive datasets and perform complex calculations at high speeds.

Importance of IT infrastructure in business

IT is the backbone of businesses, providing the essential foundation for communication, data management, and service delivery. It enables communication, data storage, and business processes, making it an indispensable part of any successful enterprise.

A robust IT infrastructure ensures the collection and analysis of information in real time, which is crucial for decision-making and strategic planning. It also plays a crucial role in ensuring business continuity, especially in times of unforeseen disruptions or disasters.

IT infrastructure and cloud computing

Cloud computing infrastructure is the hardware and other elements needed to enable cloud computing. The virtual mirrors physical equipment, with items like servers, switches, memory, and storage clusters. Cloud computing refers to providing on-demand services to the customer anywhere and anytime - commonly called software-as-a-service (SaaS).

Cloud infrastructure can provide the same services as physical infrastructure but with greater flexibility, scalability, and cost-effectiveness. It is available for private cloud, public cloud, and hybrid cloud. Cloud components support the computing requirements of a cloud, including servers, applications, and storage devices.

 

IT infrastructure management

IT infrastructure management is the daily control and operation of various devices and software, resulting in the proper implementation and use of an organisation's technology. It includes the management of IT policies and processes, along with the equipment, data, human capabilities, and external contacts.

IT infrastructure management can be divided into systems, storage, and networking management. It helps organisations manage their IT following their business strategies, reducing duplication of effort, ensuring compliance with IT standards and regulations, improving information flow, supporting flexibility in changing business markets, promoting IT interoperability, and reducing overall IT costs.

Effective IT infrastructure management can lead to improved response times to changes in operations, disasters, and other disruptive conditions, proactive measures stemming from more agile processes, reduced financial costs from automation and better capacity planning.

Challenges in IT infrastructure

Like any technology solution and indeed any infrastructure solution, information technology infrastructure has plenty of challenges – from security, through the ability to grow infrastructure, to the costs of said infrastructure. 

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Security

Security is a significant challenge in IT infrastructure management. As the digital world evolves, cyber threats increase both in sophistication and volume. Protecting an organisation's IT infrastructure against potential cybersecurity breaches is crucial.

Security breaches can compromise sensitive data, damage an organisation's reputation, and impact financial stability. The rapid pace of software development introduces complexity to IT infrastructure, and integrating new software with existing infrastructure can be a daunting task. To address cybersecurity challenges, organisations should adopt a proactive approach by regularly updating security protocols and educating employees on best practices.

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Scalability

Scalability refers to the ability to handle increased workload, traffic, or demand without compromising reliability or performance. It's about ensuring that a technology stack can seamlessly grow as your business expands.

The scalability battle has many aspects, encompassing technical, financial, and reputational challenges. Without proper scalability measures, organisations might be paying exorbitantly for resources they aren't efficiently utilising.

Costs

Managing IT infrastructure costs is a daunting task. In an age of rapid technological advancements, expenses can quickly spiral out of control if not properly monitored and optimised. Businesses need a strategy to align their IT expenses with their goals and revenue.

The cost of IT infrastructure varies significantly, and figuring out what your organisation needs will help you determine a range for your IT infrastructure budget. Factors that affect the cost of IT infrastructure include the size of the organisation, the complexity of the infrastructure, and maintenance costs.

Technology is constantly advancing, which results in the need to update infrastructure regularly. In addition to the costs required to update software and hardware, there are also costs associated with maintaining the infrastructure.

How to choose the right IT Infrastructure for your business

Choosing the right IT infrastructure for a business involves a careful assessment of goals, budget, and technical requirements. Key considerations include usability, flexibility, security, and compliance.

It's important to choose infrastructure that can handle traffic spikes and has the elasticity to adjust to future developments. Consider how much downtime the business can tolerate and whether the infrastructure is easy to use, maintain, and update. Periodically reviewing IT to ensure it continues to meet your business needs is also crucial.

Initiating cloud-ready IT infrastructure modernization

Initiating cloud-ready IT modernization requires a shift in approach to technology. The goal is to create an infrastructure focused on continuous innovation, automation, and optimization.

This can enhance a company's competitive advantage and enable scalability, improving the reliability of software. Successful cloud migration requires planning and skills. It's important to address challenges such as reimagining the IT infrastructure and creating points of integration across IT and the business.

Related Solutions

OVHcloud offers Infrastructure-as-a-Service (IaaS) as part of its cloud computing solutions. IaaS provides dedicated servers and other IT resources over networking, offering on-demand computing power and space access.

This eliminates the need for users to manage hardware maintenance, saving valuable time and offering more flexibility. OVHcloud hosts the hardware and software in its data centres maintains it, and delivers the infrastructure’s performance to its customers via networks. However, you retain control over your projects and their data.

OVHcloud's IaaS is bound by a Service Level Agreement (SLA), ensuring the protection and availability of your IT services. We also facilitate access to your data in the event of an incident. IaaS is one of the three main types of cloud service available on the market, along with Platform as a Service (PaaS) and Software as a Service (SaaS).

IaaS is an effective public and private cloud service model for workloads that are temporary, experimental, or that change unexpectedly. It can be the easiest and most efficient way for organisations to manage data when demand is unpredictable. OVHcloud has been working for over 20 years to create a sovereign European cloud, ensuring total control over your data.