YouLighter: A Cognitive Approach to Unveil YouTube CDN and Changes.

YouTube relies on a massively distributed content delivery network (CDN) to stream the billions of videos in its catalog. Unfortunately, very little information about the design of such CDN is available. This, combined with the pervasiveness of YouTube, poses a big challenge for Internet service providers (ISPs), which are compelled to optimize end-users' quality of experience (QoE) while having a...