AWS Networking

In this section, we’ll learn about Single VPC traffic flows.

• AWS defines a subnet as public if its instances use an Elastic IP (EIP) and have direct inbound & outbound access to the Internet

  1. Public In/Outbound Internet flows w/ IGW

• AWS defines a subnet as private if its instances use a NAT Gateway (NATGW) for outbound-only Internet access

  2. Private Outbound Internet flows w/ NATGW