Chapter 6 – Test Tools
Istio – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
An open-source service mesh built on Envoy for controlling traffic, security, and observability across microservices.
In simple words
The most widely used service mesh, built on Envoy.
Exam tip
Istio provides mTLS, traffic shifting, and telemetry — key for canary and blue-green in K8s.
Related terms
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40 CTFL v4.0 questions, 60-minute timer, instant scoring and chapter-wise breakdown.
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