{
  "url": "https://classa.info/glossary/n-plus-1",
  "title": "N+1 redundancy",
  "description": "One spare unit beyond the minimum required (N).",
  "oneSentenceAnswer": "One spare unit beyond the minimum required (N).",
  "tldr": [
    "One spare unit beyond the minimum required (N).",
    "Standard for Class A trophy critical infrastructure: HVAC chillers, generators, UPS, primary power feeds."
  ],
  "keyFacts": {
    "category": "MEP",
    "regionScope": "Global"
  },
  "pageType": "glossary",
  "lastUpdated": "2026-04-01T00:00:00.000Z",
  "license": "CC BY 4.0 with attribution to Class A Atlas (https://classa.info).",
  "citation": "Source: Class A Atlas (https://classa.info/glossary/n-plus-1), updated 2026-04-01T00:00:00.000Z."
}