Design a serving strategy for global traffic with regional constraints.

Instruction: Explain how you would serve users globally while respecting regional and compliance constraints.

Context: Assesses whether the candidate can design a practical architecture and explain the main tradeoffs. Explain how you would serve users globally while respecting regional and compliance constraints.

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I would start with regional routing rules based on data residency, provider availability, and latency expectations. Not every request should be eligible for every region or provider, especially when regulatory or enterprise constraints are involved.

I would also keep fallback plans regional where...

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