AWS re:Invent 2017: Networking Many VPCs: Transit and Shared Architectures (NET404) – #AWS
This session focuses on best practices for connectivity between many virtual private clouds (VPCs), including the Transit VPC. We review how the Transit VPC works and use cases for centralization, network security, and connectivity. We include best practices for multiple accounts, multiple regions, and designing for scale. In addition, we also review some of the variants and extensions to the Transit VPC, including how to customize your own.
via Amazon Web Services