AWS > Networking & Content Delivery > Amazon CloudFront:
Amazon CloudFront - Key Terminology:
1. Edge Location: This is the location where content will be cached. This is separate to an AWS Region/AZ.
2. Origin: This is the origin of all the files that the CDN will distribute. This can be either an S3 Bucket, an EC2 Instance, an Elastic Load Balancer or Route53.
3. Distribution: This is the name given the CDN which consists of a collection of Edge Locations.
3a: Web Distribution - Typically used for Websites.
3b: RTMP - Used for Media Streaming.
Notes of CloudFront:
1. Edge location are not just READ only, you can write to them too. (ie, put an object on to them)
2. Objects are cached for the life of TTL(Time To Live).
3. You can clear cached objects, but you will be charged.
Reference:
1. AWS Documentation - Amazon CloudFront Documentation
https://docs.aws.amazon.com/cloudfront/
2. Udemy - AWS Certified Solutions Architect - Associate:
https://www.udemy.com/aws-certified-solutions-architect-associate/
最初發表 / 最後更新: 2019.03.05 / 2020.06.09
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