DataTerminology.comNEW
Also known as: Computing Center
Facility housing computing, storage, and networking equipment with power, cooling, and security for reliable operations.
DESCRIPTION
A data center is a purpose-built facility for critical IT infrastructure. It provides conditioned power, redundant cooling, physical security, and high-speed networking to ensure service continuity. Organizations host on-premises systems, private clouds, or colocate equipment. Design considerations include tiering for availability, PUE for energy efficiency, and disaster recovery capabilities. Virtualization and container platforms run on data center servers. While public cloud reduces on-prem demand, data centers remain essential for latency-sensitive, regulated, or legacy workloads. Modern trends include edge micro data centers and liquid cooling for high-density compute.
ALTERNATIVE DEFINITIONS
Wikipedia
A data center (American English) or data centre (British English) is a building, a dedicated space within a building, or a group of buildings used to house computer systems and associated components, such as telecommunications and storage systems.
Highlights the facility aspect and associated components beyond servers.
IBM
A data center is a physical facility that organizations use to house their critical applications and data.
Emphasizes criticality of applications and data housed in the facility.
RELATED TERMS
On-Premises Computing Colocation Private Cloud Virtualization Cooling Power Redundancy Network Fabric Disaster Recovery Uptime Tier Edge Computing
COMPETING TERMS
Public Cloud
KNOWLEDGE AREAS
TARGET AUDIENCE
Chief Information Officer Chief Technology Officer Cloud Architect Enterprise Architect DevOps Engineer
EXTERNAL SOURCES
- Wikipedia - Data center
- Uptime Institute - Data center tier standards
- ASHRAE - Cooling guidelines resources
- ISO - ISO/IEC 22237 overview
TOP QUESTIONS
Why are Data Centers still relevant in a cloud world?
They address latency, regulatory, and custom hardware requirements. Existing investments and legacy systems also anchor many organizations on-premises.
Category: Relevancy
What defines Data Center reliability?
Redundant power, cooling, and network paths, plus robust operations. Uptime tiers classify availability expectations.
Category: Definition
What are key Data Center efficiency metrics?
Power Usage Effectiveness (PUE) is primary. Water usage and rack density also inform sustainability and capacity planning.
Category: Management
What risks exist in Data Centers?
Power failures, cooling outages, and physical security breaches. Disaster recovery and monitoring reduce impact.
Category: Risks
How do Data Centers support modern workloads?
They host private clouds, container platforms, and GPU clusters. Interconnects enable hybrid architectures with public clouds.
Category: Application
What is colocation versus on-premises?
Colocation rents space in a third-party facility, providing shared power and cooling. On-premises facilities are owned and operated by the organization.
Category: Misunderstanding
How is Data Center capacity planned?
Forecast compute and storage growth, evaluate power and cooling envelopes, and maintain redundancy targets aligned to business SLAs.
Category: Requirements
What’s a hot topic in Data Centers?
Liquid cooling and high-density racks for AI workloads. Sustainability commitments are reshaping designs and locations.
Category: Topic
How do Data Centers integrate with cloud?
Hybrid architectures use VPNs or direct interconnects for low-latency and secure connectivity between on-prem and cloud environments.
Category: Architecture