In Part 1 of this two-part series, I defined multi-CDN and explored how and why this approach is used by streaming services, e-commerce platforms, gaming companies and global enterprises for fast and reliable content delivery. Multi-CDN offers unmatched benefits when it comes to redundancy, availability, load balancing, scalability, cost management, and improved user experiences on a global scale. Now, in Part 2 of the series, I’ll explore one of the biggest challenges of multi-CDN: observability.