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Which of the following is the correct way to route requests in the Strangler fig pattern?

easy📝 Architecture Q12 of 15
Microservices - Migration from Monolith
Which of the following is the correct way to route requests in the Strangler fig pattern?
ASend requests randomly to either legacy or new system without control
BDirect all requests to the legacy system until the new system is fully ready
CRoute requests step-by-step from the legacy system to new microservices
DStop the legacy system completely before routing any requests
Step-by-Step Solution
Solution:

  1. Step 1: Identify routing strategy in Strangler fig

    The pattern routes requests gradually from old to new components, not all at once or randomly.

  2. Step 2: Match options with routing approach

    Route requests step-by-step from the legacy system to new microservices describes step-by-step routing, which fits the pattern best.

  3. Final Answer:

    Route requests step-by-step from the legacy system to new microservices -> Option C

  4. Quick Check:

    Step-by-step routing = A [OK]
Quick Trick: Route requests gradually, not all or random [OK]
Common Mistakes:
  • Routing all requests to legacy until full switch
  • Routing requests randomly causing inconsistency
  • Stopping legacy before new system ready

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