Many companies that need to deliver content online at scale use Content Delivery Networks (CDNs) to improve performance. However, even with a reliable CDN, there can be issues with service quality in different regions, insufficient capacity during peak periods, and lack of resiliency and diversification. To address these concerns, some companies distribute their delivery load across more than one CDN, a concept often called a multi-CDN implementation.
In this paper, we’ll explore frequently-asked questions and best practices for implementing multi-CDN workflows based on extensive experience.