Chapter 6 – Test Tools
Shadow Deployment – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
A deployment strategy that sends production traffic to a new version in parallel without affecting user responses.
In simple words
Sending live traffic to a new version silently to test it under real load.
Exam tip
Shadowing validates behavior and performance without user impact — great before a canary.
Related terms
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