Direct Connect provides a low-latency, high bandwidth connection to connect customer
on-premise environments with the AWS cloud which allows them to create a "hybrid" cloud
architecture
VPC peering is a way of allowing routing between VPCs in different AWS accounts
An Internet Gateway is used to connect public subnets to the Internet (egress)
An Elastic Network Interface (ENI) is a logical networking component in a VPC that
represents a virtual network card