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Data Center Fundamentals

Tier Classifications & Uptime

Master the Uptime Institute's tier certification system and what it means for availability guarantees.

What you'll learn

  • Differentiate between Tier I, II, III, and IV
  • Understand uptime percentages and downtime allowances
  • Identify infrastructure requirements for each tier
  • Recognize the cost implications of tier upgrades

Lessons

  1. 01Introduction to Tier ClassificationsLearn the history and purpose of the Uptime Institute's tier certification system.11 min
  2. 02Tier I & II: Basic CapacityUnderstand the infrastructure and availability guarantees of Tier I and Tier II data centers.13 min
  3. 03Tier III: Concurrently MaintainableExplore Tier III's 99.982% uptime guarantee and what 'concurrently maintainable' really means.14 min
  4. 04Tier IV: Fault TolerantMaster the most resilient tier: 99.995% uptime with fully redundant, fault-tolerant infrastructure.15 min