You launch a NAT Gateway in one Availability Zone (AZ). What happens if that AZ goes down, and how can you make the setup more highly available?

Question

Lingesh Kumar K · Accepted Answer

If the AZ with the NAT Gateway goes down, private subnet instances lose internet access. To improve availability, deploy NAT Gateways in multiple AZs and update route tables accordingly.

You launch a NAT Gateway in one Availability Zone (AZ). What happens if that AZ goes down, and how can you make the setup more highly available?

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