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07 Reliability and Operations

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02 Site Reliability Engineering

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SLAs, SLOs, SLIs

SLAs, SLOs, SLIs

Feb 10, 20261 min read

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SLAs, SLOs, SLIs

Back: Site Reliability Engineering

The foundational framework for defining and measuring service reliability. SLIs measure what matters, SLOs set targets based on user expectations, and SLAs formalize contractual commitments. Together they provide an objective basis for reliability decisions.

Concepts

  • SLI (Service Level Indicator)
  • SLO (Service Level Objective)
  • SLA (Service Level Agreement)
  • Choosing SLOs
  • The Nines

sre slo sli sla


Graph View

  • SLAs, SLOs, SLIs
  • Concepts

Backlinks

  • Software Engineering - Map of Content
  • Choosing SLOs
  • SLA (Service Level Agreement)
  • SLI (Service Level Indicator)
  • SLO (Service Level Objective)
  • The Nines
  • Site Reliability Engineering

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