How AWS CloudFront works

You can keep your application pointing to the S3 bucket. CloudFront caches S3 content globally and delivers it to users from the nearest edge location. No changes to your application are needed; it can still connect to S3 directly. CloudFront handles caching and optimization transparently, reducing latency and improving performance.

check this links for better understanding:- https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/Introduction.html https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/Introduction.html#cf-features

Hi Guojun,

Please look at below steps to resolve your issue:

1. Request Flow: When a user requests an audio file through your application, the request is initially directed to CloudFront.

2.CloudFront Cache Check: CloudFront checks its cache to see if the requested audio file is already stored there. If the file is in the cache and hasn't expired, CloudFront serves the file directly to the user from its cache, providing faster access.

3. Cache Miss: If the requested file isn't in CloudFront's cache (a cache miss), CloudFront forwards the request to the S3 bucket to retrieve the file.

4. File Retrieval from S3: S3 retrieves the requested audio file and sends it back to CloudFront.

5. Caching in Cloud Front: CloudFront caches the file it received from S3 before delivering it to the user. This means that subsequent requests for the same file can be served directly from CloudFront's cache, further improving performance.

6. Delivery to User: CloudFront delivers the audio file to the user's device, completing the request.

Please go through the below cloud front documentation link you will get more info:

https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/Introduction.html

Hi,

This CloudFront whitepaper is very specific to media streaming: https://docs.aws.amazon.com/pdfs/whitepapers/latest/amazon-cloudfront-media/amazon-cloudfront-media.pdf

Give it a deep read to find the optimal solution for your use case.

Best,

Didier

With AWS CloudFront, you can indeed improve the performance of your application by caching content closer to your users. In your scenario, where you have an application deployed on an AWS EC2 instance accessing audio files from an S3 bucket using the AWS SDK, you can integrate CloudFront without needing to change your application's code to point directly to CloudFront.

Here's how it works:

Integration with CloudFront: You configure CloudFront to serve as a content distribution network (CDN) for your S3 bucket. This means CloudFront will cache copies of your audio files in edge locations around the world. Origin Configuration: You specify your S3 bucket as the origin for CloudFront. This means CloudFront will fetch content from your S3 bucket and cache it in its edge locations.

Just want to confirm if below is correct traffic flow

This is without CloudFront. Below is the traffic flow for

1. user retrieves audio file list from application.
2. user plays audio file from application.

When introducing CloudFront, below is the traffic flow. I know there are other solutions for streaming the audio file directly from S3 bucket. But this is our solution and we already confirmed this solution. Just that I want to confirm if this traffic flow is correct.