Site Reliability Engineering (SRE)
Definition
Site Reliability Engineering combines software development with the reliable operation and scaling of services.
Site Reliability Engineering applies software development to the operation, reliability, and scaling of services and manages goal conflicts via SLOs and error budgets.
Simply explained
Development methods help operate a service; defined reliability targets determine how improvements and disruptions are handled.
Why it matters in practice
The term contributes to secure, maintainable, and high-performance web applications as well as resilient technical decisions.
Example from business
A team automates recurring operational work and prioritizes reliability work based on the error budget.
Limits and pitfalls
- SRE is neither just on-call duty nor a tool purchase; without clear responsibility and SLOs, it remains a label.
Origin & history
Google coined the discipline from the early 2000s and published a fundamental practice book in 2016.
Use in mid-sized companies
- Possible application: A team automates recurring operational work and prioritizes reliability work based on the error budget.
Frequently asked questions
What does Site Reliability Engineering (SRE) mean?
Site Reliability Engineering applies software development to the operation, reliability, and scaling of services and manages goal conflicts via SLOs and error budgets. What should be considered? SRE is neither just on-call duty nor a tool purchase; without clear responsibility and SLOs, it remains a label.
Sources
- Site Reliability Engineering · Google, Site Reliability Engineering
Source checked on 10.10.2026. Editorial application examples are hypothetical; no evidence of real customer results.
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