On-Call Rotation
Definition
An on-call schedule distributes responsibility for urgent operational disruptions.
Designated persons temporarily take alarm reception and initial response. Handoffs, substitution, and escalation are part of the procedure.
Simply explained
A clear duty roster shows who helps first in case of disruption.
Why it matters in practice
Responsibility prevents critical messages from being ignored.
Example from business
Hypothetical example: Two teams alternate weekly on-call duty for a customer application.
Limits and pitfalls
- Too many unclear alerts burden the team. On-call duty does not replace error correction.
Origin & history
The practice originates from IT operations and Site Reliability Engineering.
Use in mid-sized companies
- SMEs can set response times and responsibilities appropriate to their service hours.
Frequently asked questions
Is a group chat already on-call duty?
No, responsibility and response paths must be clear.
Sources
- Being On-Call — · Google SRE Book: Being On-Call —
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