To use a multi-CDN strategy, customers need an efficient way to route their site’s traffic to different CDN providers. The three routing methods that seem to be the most prevalent among recent multi-CDN survey respondents are Manifest, Player, and DNS approaches. For all of these methods, it’s important to implement business logic that defines how to distribute traffic across a multi-CDN architecture. The main difference between these methods is where the business logic resides in the technology stack.