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Ezile Mdodana
Ezile Mdodana

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Day 20/30: Multi-AZ and Multi-Region are not the same thing

Multi-AZ distributes a workload across Availability Zones within one AWS Region.

Multi-Region uses infrastructure in more than one Region.

Multi-Region can provide stronger resilience, but it also adds cost, data considerations and operational complexity.

Not every application needs it.

Do not build a second airport when your business currently needs a backup generator.

Start with the actual business risk, then choose the architecture that matches it.

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