cdn.txt

Content Delivery Network (CDN)
- Edge Location - Location where content will be cached; separate to an AWS Region/AZ
- Origin - Origin of all the files that the CDN will distribute. This can be an S3 Bucket, EC2 Instance, Elastic Load Balancer, or Route53, or not with AWS
- Web Distribution - Typically used for websites
- RTMP - Used for media streaming (adobe flash)
- Edge Locations are not just read only, you can write to them, too
- Objectes are cached for life of TTL