Diff: Data Centre
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A '''data centre''' is a facility used to house computing, storage, and networking equipment. Data centres support websites, cloud services, business systems, communication platforms, backups, streaming, AI workloads, financial systems, public-sector services, and many other digital operations. |
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A data centre (or data center) is a facility designed to house and manage computing resources, including servers, storage systems, networking equipment, and associated components. Data centres play a crucial role in supporting the operations of modern businesses, organisations, and digital services by providing a controlled environment for the efficient and reliable processing, storage, and distribution of data. This wiki page explores the history, largest data centres in the world, and the future of data centres. |
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A data centre is more than a room full of servers. It is a controlled technical environment built around power, cooling, network connectivity, physical security, monitoring, fire protection, maintenance, and resilience. |
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== History of Data Centres == |
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The concept of centralised computing and data storage dates back to the early days of computing. Mainframe computers were housed in specialised rooms with controlled environmental conditions to ensure their proper functioning. However, the modern data centre as we know it began to take shape with the advent of distributed computing and the need for scalable and efficient IT infrastructure. Key milestones in the history of data centres include: |
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== Purpose == |
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Data centres exist because modern digital services need reliable places to run hardware. A single server may be enough for a small task, but larger services need racks of equipment, redundant power, fast network connections, spare capacity, and staff who can maintain the environment. |
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1950s-1960s: The first rudimentary data centres emerged to accommodate early mainframe computers. These data centres were characterised by specialised cooling systems and raised floors to manage cables. |
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They are used by cloud providers, hosting companies, banks, public bodies, universities, hospitals, media companies, games services, software companies, and organisations that keep critical systems under their own control. |
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1980s-1990s: The growth of networking and client-server architecture led to the expansion of data centre facilities. The introduction of standardised racks and cabinets improved equipment organisation. |
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== Core Infrastructure == |
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Common data-centre infrastructure includes: |
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2000s: The rise of the internet, e-commerce, and cloud computing drove the demand for larger and more advanced data centres. Virtualisation technology allowed for greater resource utilisation and flexibility. |
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* Server racks and cabinets. |
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* Compute servers, storage systems, and network switches. |
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* Routers, firewalls, load balancers, and cross-connects. |
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* Uninterruptible power supplies and battery systems. |
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* Backup generators or other reserve power arrangements. |
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* Cooling systems and airflow management. |
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* Fire detection and suppression. |
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* Physical access controls, CCTV, visitor controls, and secure loading areas. |
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* Monitoring systems for power, temperature, humidity, network status, and equipment faults. |
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== Largest Data Centres in the World == |
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As of my knowledge cut-off date in September 2021, several data centres stand out as some of the largest and most advanced in the world: |
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The aim is to keep systems available while allowing maintenance, upgrades, and fault handling. |
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# Switch SuperNAP, Las Vegas, USA: One of the largest data centres, it boasts a massive floor space and advanced cooling systems. |
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# OVH Data Centre, Beauharnois, Canada: Known for its impressive size and energy-efficient design, this data centre is a notable player in the industry. |
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# Langfang China Data Centre, Langfang, China: This data centre holds the distinction of being one of the largest buildings in the world by floor space. |
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# QTS Metro Data Centre, Atlanta, USA: With its expansive campus and innovative technologies, this data centre is a major hub for digital services. |
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# Range International Information Hub, Langfang, China: This data centre complex showcases cutting-edge design and sustainability features. |
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== Resilience == |
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Resilience is a major design concern. Data centres often use redundant power feeds, duplicate network paths, spare cooling capacity, and backup systems so that one fault does not shut down the whole facility. |
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Please note that the information provided is based on the state of the industry as of September 2021 and may have changed since then. |
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Resilience can exist inside one site, between rooms in the same site, or across separate sites. Critical services may run from multiple regions or facilities so they can survive local failures. |
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== Future of Data Centres == |
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The future of data centres is marked by ongoing innovation and adaptation to meet the evolving demands of the digital age. Key trends and considerations for the future of data centres include: |
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The exact level of resilience depends on the business need and budget. A test environment does not need the same design as a payment system, emergency service, or national platform. |
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1. Energy Efficiency: Data centres are exploring greener technologies, such as renewable energy sources and advanced cooling systems, to reduce their environmental impact and operational costs. |
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== Connectivity == |
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Network connectivity is one of the main reasons to use a professional data centre. Facilities often connect to multiple carriers, internet exchanges, cloud providers, and private networks. This allows customers to choose routes, reduce latency, and build private links between systems. |
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2. Edge Computing: The proliferation of IoT devices and the need for low-latency processing are driving the development of edge data centres, which bring computation closer to the data source. |
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Cross-connects inside the building can link a customer's rack to carriers, cloud on-ramps, or other tenants. That makes the facility part of a wider digital supply chain rather than just a physical hosting room. |
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3. Hybrid and Multi-Cloud Architectures: Data centres will continue to play a role in hybrid and multi-cloud strategies, enabling businesses to balance between on-premises and cloud-based resources. |
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== Security == |
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Physical security protects the equipment and the data stored or processed on it. A serious facility normally controls who can enter the building, which rooms they can access, and what they can remove. Cabinets, cages, visitor logs, card access, biometrics, cameras, and staff procedures may all be part of the security model. |
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4. AI and Automation: Artificial intelligence and automation will be used to optimise data centre operations, enhance security, and improve resource allocation. |
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Physical security does not replace software security. A well-run data centre can still host badly configured systems. Customers remain responsible for operating systems, applications, access controls, backups, and encryption unless those duties are clearly handled by a managed service. |
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5. Data Security and Privacy: As data becomes more valuable, data centres will focus on enhancing security measures and compliance with data protection regulations. |
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== Energy and Cooling == |
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Data centres use significant electricity because servers consume power and generate heat. Cooling design, airflow management, server efficiency, power distribution, and workload placement all affect operating costs and environmental impact. |
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6. Modular and Scalable Designs: Data centres will adopt modular designs that allow for rapid scalability to accommodate changing workloads and business needs. |
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The UK government has examined how growth in digital services and data centres affects energy consumption. Planning, grid capacity, heat reuse, water use, and efficiency are therefore public-policy issues as well as engineering issues. |
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7. Sustainability: The industry will continue to prioritise sustainable practices and technologies to reduce energy consumption and minimise waste. |
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== Cloud and Hosting == |
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Cloud computing depends on data centres, even when customers never see the hardware. A virtual machine, storage bucket, database, or managed application still runs on physical systems in a facility somewhere. |
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== See Also == |
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Traditional hosting, colocation, private cloud, public cloud, and edge computing all use data-centre principles. The difference is who owns the hardware, who manages it, how customers pay, and how much control they have. |
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== UK Public Sector Example == |
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The UK Crown Hosting Data Centres framework shows how public-sector hosting can be treated as a shared infrastructure service. The framework is available to central government departments, arm's-length bodies, and the wider public sector, and covers matters such as security, connectivity, service-level agreements, quality, and environmental standards. |
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== See Also == |
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* [[Cloud Computing]] |
* [[Cloud Computing]] |
* [[Networking]] |
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* [[Green Technology]] |
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* [[Domain name system]] |
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* [[BackroomsHost]] |
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== References == |
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* [https://www.gov.uk/government/publications/impact-of-growth-of-data-centres-on-energy-consumption GOV.UK: impact of growth of data centres on energy consumption] |
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* [https://www.gov.uk/guidance/the-crown-hosting-data-centres-framework-on-the-digital-marketplace GOV.UK: Crown Hosting Data Centres framework] |
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* [https://csrc.nist.gov/pubs/sp/800/145/final NIST SP 800-145: The NIST Definition of Cloud Computing] |
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[[Category:Computing]] |
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[[Category:Infrastructure]] |
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[[Category:Technology]] |