Multiple-Domain Migration to Amazon CloudFront for Faster and Secured Content Delivery

This article discusses how Avis Budget Group (ABG) migrated over 150 domains to Amazon CloudFront and AWS WAF to overcome challenges with their legacy content delivery network (CDN) and web application firewall (WAF), aiming to improve security, performance, and cost-effectiveness.

Specifically, the article covers:

• ABG's challenges with their previous CDN and WAF, including high costs, performance issues, and security threats
• The collaboration between ABG, AWS, and D3Clarity (an AWS Partner) to migrate to CloudFront and AWS WAF
• The complex challenges faced during the discovery phase, such as translating existing caching behaviors and WAF rules
• The planning and solution architecture, involving CloudFront functions, Lambda@Edge, AWS WAF rules, and secure network connections
• The automation of the solution using Terraform and the implementation of observability and monitoring components
• The results since deployment, including 100% uptime, enhanced security, improved performance, and 60% cost savings