How to distribute AWS S3 objects using BitTorrent

Distributing large files from AWS S3 can be expensive due to high bandwidth usage. By using the BitTorrent protocol, you can reduce these costs by allowing multiple users to download files from each other instead of directly from the S3 bucket. This method takes advantage of S3’s built-in support for torrent distribution, making it a cost-effective way to share large files.

To enable BitTorrent distribution, you must configure your S3 bucket to allow public access to the files. Once public access is enabled, you can create a torrent link by appending the proper parameters to the file's URL. This link can then be used in any standard BitTorrent client to download the file.

This approach is simple to implement using the AWS Management Console. It allows you to distribute large files efficiently without overloading your S3 bucket. This method reduces your bandwidth costs and enhances file distribution scalability.

Steps to distribute AWS S3 objects using BitTorrent:

  1. Create an S3 bucket.

    Related: How to create private AWS S3 bucket
    Related: How to create public AWS S3 bucket

  2. Go to S3 dashboard of your AWS Management Console.

    Related: AWS S3 Management Console

  3. Click on the bucket that contains the file that you want to distribute using BitTorrent.
  4. Click on the upload button.
  5. Click on the Add files button.
  6. Select file and click the Open button.
  7. Click Upload to start uploading the file to AWS.
  8. Wait for upload to finish.
  9. Enable public access to the file.

    Related: How to allow public access to private AWS S3 bucket objects

    This is required even if your bucket is already configured with public access policy.

  10. Click on the file that you want to distribute using BitTorrent.

    This and the remaining steps are to test that you can download the file using a BitTorrent client.

  11. Copy the Object URL at the bottom of page.
  12. Paste URL in browser and append ?torrent towards the end. Press Enter.
  13. Use the downloaded torrent file to start downloading the S3 file using your favorite BitTorrent client.