NAT Gateway
- An Amazon managed resource
- To operate just like a NAT instance
- but is simpler to manage and highly available within an Availability Zone
- Access of internet by instance in private subnet can be done by IGW or NAT gateway and involves
- Configure – It is required to configure the route table associated with the private subnet to direct Internet-bound traffic to the NAT gateway Example – nat-1a2b3c4d.
- Allocate – It is required to allocate and EIP and associate it with the NAT Gateway.
