Automating the admission of virtual private clouds to AWS Cloud WAN networks

This article presents a solution for automating the admission of virtual private clouds (VPCs) to AWS Cloud WAN networks. The main points are:

Specifically, the article covers:

• The challenges of managing VPC admission to a core network as the number of AWS accounts and regions increases
• An overview of the proposed solution using an event-driven architecture to process AWS Network Manager events
• Prerequisites for the solution, including AWS Cloud WAN policy configuration, service control policies, IAM roles, and account tagging
• Detailed explanation of the solution components, such as AWS Lambda functions, Amazon SNS/SQS, and event processing
• Steps for deploying the solution using AWS CloudFormation and AWS SAM
• Optional IP address planning enforcement using a VPC segment address map
• Conclusion highlighting the benefits of the automated, secure, and flexible VPC admission process