Many asked me about the best way to get the best of wordpress using CDN, and one of these alternatives is Amazon S3. This article is one of the best that provides the necessary tools and techniques to integrate Amazon S3 with WordPress.
The reason for using Amazon S3 to store important data follows from the “3-2-1” backup rule, coined by Peter Krogh. According to the 3-2-1 rule, you would keep three copies of any critical data: the original data, a backup copy on removable media, and a second backup at an off-site location
