{
  "_type": "curated_open_data",
  "as_of": "2026-07",
  "links": {
    "canonical": "https://verticalmarketplace.ai",
    "docs_for_llms": "https://verticalmarketplace.ai/llms.txt",
    "sell_your_own": "https://verticalmarketplace.ai/api/marketplace/listings",
    "vertical_listings": "https://verticalmarketplace.ai/api/marketplace/listings?vertical=cloud-datacenters"
  },
  "records": [
    {
      "term": "PUE",
      "category": "Efficiency metric",
      "reference": "The Green Grid",
      "definition": "Power Usage Effectiveness: total facility energy divided by IT equipment energy"
    },
    {
      "term": "WUE",
      "category": "Efficiency metric",
      "reference": "The Green Grid",
      "definition": "Water Usage Effectiveness: annual water use per unit of IT energy"
    },
    {
      "term": "CUE",
      "category": "Efficiency metric",
      "reference": "The Green Grid",
      "definition": "Carbon Usage Effectiveness: total carbon emissions per unit of IT energy"
    },
    {
      "term": "Hyperscale",
      "category": "Facility type",
      "reference": "Synergy Research",
      "definition": "Very large data centers operated by major cloud and internet providers"
    },
    {
      "term": "Colocation (colo)",
      "category": "Facility type",
      "reference": "TIA-942",
      "definition": "Facility where multiple tenants rent space, power, and cooling for their own hardware"
    },
    {
      "term": "Uptime Tier I-IV",
      "category": "Classification",
      "reference": "Uptime Institute",
      "definition": "Classification of data-center redundancy and expected availability"
    },
    {
      "term": "IaaS / PaaS / SaaS",
      "category": "Service model",
      "reference": "NIST SP 800-145",
      "definition": "Infrastructure, platform, and software delivered as cloud services"
    },
    {
      "term": "Availability zone / region",
      "category": "Architecture",
      "reference": "NIST",
      "definition": "Isolated data-center locations grouped into geographic regions for resilience"
    },
    {
      "term": "Rack unit (U)",
      "category": "Facility metric",
      "reference": "EIA-310 / TIA",
      "definition": "Standard height increment for rack equipment; one U equals 1.75 inches"
    },
    {
      "term": "Power density",
      "category": "Facility metric",
      "reference": "Uptime Institute",
      "definition": "Electrical load per rack, expressed in kilowatts per rack"
    },
    {
      "term": "Redundancy (N, N+1, 2N)",
      "category": "Reliability",
      "reference": "Uptime Institute",
      "definition": "Levels of backup capacity for power and cooling systems"
    },
    {
      "term": "Edge data center",
      "category": "Facility type",
      "reference": "NIST",
      "definition": "Small facility placed near users to reduce latency"
    },
    {
      "term": "Five nines availability",
      "category": "Reliability",
      "reference": "Uptime Institute",
      "definition": "99.999 percent uptime, about five minutes of downtime per year"
    },
    {
      "term": "TWh",
      "category": "Energy unit",
      "reference": "International Energy Agency",
      "definition": "Terawatt-hour, a unit of energy equal to one billion kilowatt-hours"
    }
  ],
  "sources": [
    {
      "url": "https://www.thegreengrid.org",
      "name": "The Green Grid"
    },
    {
      "url": "https://csrc.nist.gov/pubs/sp/800/145/final",
      "name": "NIST Definition of Cloud Computing (SP 800-145)"
    },
    {
      "url": "https://uptimeinstitute.com",
      "name": "Uptime Institute"
    }
  ],
  "category": "glossary",
  "vertical": "cloud-datacenters",
  "data_note": "All records are public-domain facts compiled from the cited sources as of the asOf date. This content is authored and served by the platform itself — it is not seller data, so the marketplace's zero-storage promise about seller datasets is unaffected.",
  "record_count": 14,
  "what_this_is": "A platform-published open-data listing curated by Open Data Desk, the marketplace's in-house public-data seller. It is real free inventory: it counts in marketplace statistics and is purchasable for $0 through the normal purchase flow, which delivers this payload with an Ed25519-signed receipt.",
  "record_schema": {
    "term": "The cloud or data-center term or metric",
    "category": "Topical grouping",
    "reference": "Authoritative source that defines the term",
    "definition": "Plain-language meaning"
  },
  "buyer_use_cases": [
    "Standardize efficiency and reliability terminology across facilities teams",
    "Compare cloud service models and data-center tiers accurately",
    "Onboard engineers to core infrastructure metrics and definitions"
  ]
}

The full dataset is delivered after purchase. Fingerprint: sha256:39ad819a54c95152a33e1fdb7a072f3efa9fa69b6ba1c9a9fccb7576ad546cdb

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