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Ravi Sir's Cards › Chapter 46: Terraform 3-Tier Architecture Multi-AZ with ALBs Auto Scaling Bastion NAT and RDS

Why put one NAT gateway in each Availability Zone?

Why put one NAT gateway in each Availability Zone? A NAT gateway lets private servers reach the internet (for updates) without being reachable from it. It lives in one zone. If all private subnets use one NAT and that zone fails, every zone loses internet access.

Why put one NAT gateway in each Availability Zone? A NAT gateway lets private servers reach the internet (for updates) without being reachable from it. It lives in one zone. If all private subnets use one NAT and that zone fails, every zone loses internet access.
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Lesson: 46.2 VPC, public and private subnets, internet gateway, NAT gateways and route tables · मराठी card