SL#151 - AWS Services (36/120) - AWS Transit Gateway: The Hub That Replaces Your Peering Mesh, and the Route Table Trick That Does Your Segmentation

Transit Gateway is a regional router you rent by the attachment-hour and the gigabyte. We will build a three-VPC hub with two route tables, prove which VPCs can and cannot talk, and cost it. Plan for about 45 minutes and under one dollar.