1 min lesson
Failover and traffic steering
Explain the practical point behind "Steering lives in two places."
Step 1 of 3
Failover and traffic steeringtested, not theoretical
Steering lives in two places: DNS / global load balancer health checks decide which region is even an option and the edge picks among the healthy ones. The credibility line is whether failover is tested.
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Full explanation
Failover, Step by Step
Interactive diagram. Step through it with the Next and Previous controls below, or Tab to a region to read its detail.
diagram: flow
The gate is the step that turns a failover plan from a diagram into evidence.
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Optional practice
Test yourself on Failover and traffic steering
QA candidate proposes two active regions each running at 65% utilization for "high availability." What flaw do you point out?