Ravi Sir's Cards › AWS
Hub or many pairs?
This comparison card contrasts Hub or many pairs. Transit Gateway: Central hub attachments and route tables. VPC peering mesh is described as each pair peered. It also notes N² complexity. The card pairs Transit Gateway with growing multi-VPC estates, and VPC peering mesh with tiny static topologies.
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What this card says
Hub or many pairs?
Transit Gateway
Central hub attachments and route tables.
VPC peering mesh
Each pair peered; N² complexity.
Key points
Dozens of VPCs/accounts.
Two VPCs only, forever.
Example
CreateTransitGatewayAttachment / CreateVpcPeeringConnection
Use when
Growing multi-VPC estates.
Tiny static topologies.