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Infrastructure & data centers
The facilities digital activity depends on, and the dependencies they create: data centres, cooling, power, networks, and technology supply chains.
118 termsAdiabatic coolingAmazon S3 outage (2017)ANSI/TIA-942 StandardArticle 12 of the Energy Efficiency Directive (EU) 2023/1791Aspirating smoke detection (VESDA)Atlassian outage (April 2022)Availability expressed in ninesAvailability zoneAWS Sydney outage (June 2016)AWS us-east-1 outage (December 2021)AWS us-east-1 outage (October 2025)Azure Front Door outage of October 29, 2025Balticconnector and C-Lion1 damage (2023)Battery Energy Storage System (BESS)Behind-the-meter generationBGP route withdrawalCable shipCarbon Usage Effectiveness (CUE)Cloud regionCloud service models (IaaS, PaaS, SaaS)Cloud vendor lock-in and egress feesCloudflare outage of November 18, 2025ColocationContent delivery network failureContingent business interruption (cloud provider)Critical IT load (IT MW)Cross-connectDaejeon government data center fire (2025)Dark fiberData center campusData center colocation agreementData center development moratoriumData center fire riskData center insurabilityData center waste heat recoveryData centers' share of national electricity consumptionDiesel rotary UPS (DRUPS)Digital Realty Singapore data center fire (2024)Edge data centerElectricity spot price risk (data center)EN 50600 standardEstlink 2 cut and the Eagle S case (2024)European Code of Conduct on Data Center Energy EfficiencyEuropean Cybersecurity Certification Scheme for Cloud Services (EUCS)Extension of server depreciation schedulesFacebook outage of October 4, 2021Fastly outage of June 8, 2021Free coolingFrench high-speed rail sabotage (July 26, 2024)Generator load bank testingGeographic concentration of data centersGoogle Cloud and Oracle London cooling outages (July 2022)Google Cloud outage of June 12, 2025Google Cloud Paris data center water intrusion (2023)GPU clusterGrid interconnection queue riskHeatwave risk (data center)Hot aisle and cold aisle containmentHualien earthquake and Taiwan's chip plants (2024)Human operational error treatment (cover)Hybrid cloudHydro-Québec blackout (1989)HyperscalerIberian blackout (2025)Immersion coolingInert gas fire suppression in server roomsInternal network failure (hyperscaler)Internet exchange point (IXP)Limits of intra-site redundancyLiquid coolingLithium-ion UPS batteriesLoad sheddingMeet-me roomMicrogridMulti-site disaster recoveryMulticloudN-1 security criterionN+1 and 2N redundancy levelsNeocloud (GPU cloud)North Hyde substation fire and the Heathrow closure (2025)Northeast blackout of 2003Optus outage in Australia (November 2023)Out-of-provider backupOVHcloud Strasbourg fire (2021)Pangyo fire and Kakao outage (2022)Partial degradation trigger thresholdPermanent data lossPhysical attack on a power substationPower purchase agreement (PPA)Power supply failure (data center)Power transformer lead timePower Usage Effectiveness (PUE)Powered shellPrefabricated modular data centerRack power density (kW per rack)Red Sea cable cuts (2024)Renesas Naka plant fire (2021)Rogers outage in Canada (July 2022)Route limits and router protection filtersSecNumCloud (French sovereign cloud qualification)Semiconductor support laws (2022 and 2023)Service level agreement creditShared responsibility modelSubmarine cable landing stationSubmarine cable maintenance agreementSuspected sabotage of a submarine cableSystemic hardware processor vulnerabilityTechnology dependency vectorsTexas power crisis (February 2021)Three Mile Island restart for Microsoft (2024)Tonga cable cut (2022)Training and inference workloadsTurbine availability guaranteeUPS-generator backup chain failureUptime Institute Tier classificationUS export controls on AI chipsWater Usage Effectiveness (WUE)Wholesale colocation