AWS Internet Gateway vs AWS NAT Gateway

Developers should use AWS Internet Gateway when deploying public-facing resources like web servers, APIs, or load balancers in a VPC that require inbound or outbound internet connectivity meets developers should use aws nat gateway when building applications in private subnets that require outbound internet access for tasks like software updates, api calls, or accessing external services, while maintaining security by blocking inbound traffic. Here's our take.

AWS Internet Gateway

Nice Pick

Developers should use AWS Internet Gateway when deploying public-facing resources like web servers, APIs, or load balancers in a VPC that require inbound or outbound internet connectivity

Pros

• It is essential for scenarios such as hosting applications accessible from the internet, enabling software updates on EC2 instances, or integrating with external services
• Related to: aws-vpc, aws-ec2

Cons

• Specific tradeoffs depend on your use case

AWS NAT Gateway

Developers should use AWS NAT Gateway when building applications in private subnets that require outbound internet access for tasks like software updates, API calls, or accessing external services, while maintaining security by blocking inbound traffic

Pros

• It is essential for compliance with security best practices in cloud environments, such as isolating databases or backend services from direct internet exposure
• Related to: aws-vpc, aws-ec2

Cons

• Specific tradeoffs depend on your use case

The Verdict

Use AWS Internet Gateway if: You want it is essential for scenarios such as hosting applications accessible from the internet, enabling software updates on ec2 instances, or integrating with external services and can live with specific tradeoffs depend on your use case.

Use AWS NAT Gateway if: You prioritize it is essential for compliance with security best practices in cloud environments, such as isolating databases or backend services from direct internet exposure over what AWS Internet Gateway offers.

The Bottom Line

AWS Internet Gateway wins

Developers should use AWS Internet Gateway when deploying public-facing resources like web servers, APIs, or load balancers in a VPC that require inbound or outbound internet connectivity