It's not a long article, like three paragraphs. The complexity is handling health checks and the like. If one of your endpoints goes down, you want to update th

It's not a long article, like three paragraphs. The complexity is handling health checks and the like. If one of your endpoints goes down, you want to update the DNS record to remove it. Which means you have to make or use software that continuously monitors your endpoints and updates DNS accordingly. Now Route 53 will do those health checks for you automatically.