Knowledge Base
This is our glossary of commonly-used industry and business terms, phrases and acronyms.
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Energy Recovery Systems
Energy recovery systems in data centres are technologies that capture waste heat or energy generated during operations and repurpose it for heating or other uses. These systems improve overall energy efficiency and sustainability by reducing the need for additional energy sources. Examples include heat recovery units integrated into cooling systems and systems that convert waste heat into usable power.
Learn moreEnergy Storage Systems
Energy storage systems in data centres provide backup power and grid stability by storing energy for later use. Technologies such as lithium-ion batteries, flywheels, and thermal storage support peak shaving, load balancing, and renewable energy integration. These systems enhance reliability, reduce dependency on diesel generators, and align with sustainability goals, offering operational and environmental benefits.
Learn moreFree Cooling
Free Cooling uses ambient external air to cool data centre environments, minimizing the need for mechanical cooling systems. This energy-efficient approach leverages natural temperature differentials to maintain optimal conditions within the facility. Free cooling can include techniques such as direct air economization and indirect adiabatic cooling. While highly effective in temperate regions, free cooling may require supplemental systems in extreme climates to ensure consistent performance.
Learn moreHigh Availability Systems
High availability systems in data centres ensure continuous operation and minimal downtime through redundant components and fault-tolerant designs. These systems are critical for mission-critical applications, leveraging configurations like N+1 or 2N redundancy. High availability is achieved through resilient power, cooling, and network infrastructures, ensuring seamless operations during failures or maintenance.
Learn moreHigh-Density Cabling
High-density cabling refers to cable management solutions designed to handle large volumes of data centre cabling efficiently. These systems organize and optimize cable placement, reducing congestion and improving airflow. High-density cabling supports scalability, simplifies maintenance, and enhances the overall reliability of IT infrastructure, particularly in high-performance and hyperscale environments.
Learn moreHot Aisle
A hot aisle is a configuration in data centres where the rear of server racks faces one another, directing exhaust heat into a centralized pathway. This setup isolates warm air and guides it toward cooling systems, such as CRAC units or air containment systems. By separating hot air from cool intake air, the hot aisle configuration optimizes thermal efficiency and reduces the workload on cooling equipment, leading to lower energy costs. This method is particularly effective in high-density environments, where maintaining temperature consistency is critical. It works in conjunction with cold aisle containment for maximum efficiency.
Learn moreHVAC (Heating, Ventilation, and Air Conditioning)
HVAC systems provide heating, ventilation, and air conditioning to maintain suitable environmental conditions in buildings, including data centres. In data centres, HVAC systems ensure the facility stays at optimal temperatures and humidity levels to prevent equipment failure and overheating. Advanced HVAC systems often include economizers for energy efficiency, reducing reliance on mechanical cooling by using external air under favourable conditions.
Learn moreHybrid IT
Hybrid IT refers to an infrastructure strategy that combines on-premises data centres, colocation facilities, cloud services, and edge computing to meet diverse business needs. This model provides flexibility, balancing the control of on-premises solutions with the scalability and cost efficiency of cloud-based services. Hybrid IT enables businesses to optimize workload placement and resource allocation while maintaining operational efficiency.
Learn moreHyperscale Data Centre
A hyperscale data centre is a facility specifically designed to support large-scale cloud providers and enterprises. These data centres focus on scalability, energy efficiency, and operational excellence, often encompassing hundreds of megawatts of IT capacity. Hyperscale facilities rely on modular or pre-fabricated construction techniques to achieve rapid scalability while maintaining high levels of redundancy and fault tolerance. By leveraging economies of scale, hyperscale data centres provide cost-effective solutions for businesses with extensive IT requirements, supporting applications like cloud computing, big data analytics, and AI workloads.
Learn moreIndirect Air Cooling
Indirect Air Cooling is a data centre cooling technique that leverages external air to cool IT equipment without directly introducing it into the data hall. Instead, heat exchangers or indirect cooling systems transfer thermal energy between indoor and outdoor air. This approach minimizes contamination risks from pollutants or humidity while delivering energy-efficient cooling. Indirect air cooling systems are ideal for facilities in variable climates, combining energy savings with operational stability.
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