what is NAT gateway and where it is used.

Question

Accepted Answer

NAT gateway is a managed service that allows instances in a private subnet to connect to the internet.

NAT gateway acts as a gateway for instances in a private subnet to access the internet.
It provides a public IP address to instances in the private subnet.
It helps in controlling the inbound and outbound traffic for instances in the private subnet.
It is used in scenarios where instances in a private subnet need to access the internet but do not have a public IP address.
It is a highly available service that automatically scales to meet the demand.
It is commonly used in scenarios where instances need to access external services such as S3, RDS, or the internet.
It is charged based on the amount of data processed by the NAT gateway.

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