AWS Transit Gateway vs. VPC Peering: Choosing the Right Network Connectivity Strategy

As organizations grow their cloud infrastructure, connecting multiple Amazon Virtual Private Clouds (VPCs) or linking on-premises networks with AWS becomes a vital part of network design. Two primary approaches exist for enabling such connectivity: AWS Transit Gateway and VPC Peering. While both methods allow secure, private communication between networks, they are suited to different use cases, scalability requirements, and architectural designs. In this article, we delve into the key differences, benefits, and limitations of each option, guiding you on when to use AWS Transit Gateway versus VPC Peering.