ExpertMedium1 markMultiple Choice
AWS SAP-C02 · Question 25 · Domain 2.1: Deployment Strategy
A team is migrating a monolithic application to microservices on Amazon ECS. They need a deployment strategy that allows them to test the new microservices in production with real traffic, but without affecting the end-user experience. Which pattern should they use?
A team is migrating a monolithic application to microservices on Amazon ECS. They need a deployment strategy that allows them to test the new microservices in production with real traffic, but without affecting the end-user experience. Which pattern should they use?
Answer options:
A.
Blue/Green Deployment
B.
Canary Deployment
C.
Traffic Shadowing (Dark Launch)
D.
A/B Testing
How to approach this question
Identify the pattern that uses real traffic but hides the response from the user.
Full Answer
C.Traffic Shadowing (Dark Launch)✓ Correct
Traffic Shadowing duplicates incoming requests and sends them to the new service for testing, but only the response from the old service is returned to the user.
Common mistakes
Confusing Shadowing with Canary.
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