VPC, Subnets, IGW and NAT¶

VPC and Subnets Primer¶

• VPC: private network to deploy your resources (regional resource)
• Subnets allow you to partition your network inside your VPC (Availability Zone Resource)
• A public subnet is a subnet that is accessible from the internet
• A private subnet is a subnet that is not accessible from the internet
• To define access to the internet and between subnets, we use Route Tables.

Internet Gateway and NAT Gateways¶

• Internet Gateways help our VPC instances connect with the internet
• Public subnets have a route to the internet gateway

• NAT Gateways (AWS Managed) & NAT Instances (self-managed) allow your instances in your private subnets to access the internet while remaining private.