No. A transitive gateway is designed to route traffic between multiple networks or subnets.
Yes. A packet can pass through multiple transitive gateways if the network routing is configured to forward traffic through multiple interconnected gateways before reaching its destination.
They simplify and scale network connectivity by providing a central hub for communication between multiple VPCs, networks, and on-premises environments, reducing the complexity of managing many individual connections.
An Internet Gateway (IGW) enables communication between a VPC and the internet. It allows resources in the VPC to send and receive internet traffic.
Transit Gateway Peering Connections are needed to enable communication between VPCs attached to Transit Gateways in different AWS Regions.