In his @ripencc article, Danny Lachos argues that traditional network visibility is no longer enough, because operators need to understand not just where traffic flows, but which applications are actually behind it. By correlating #DNS, #NetFlow, and #BGP data, the approach aims to map traffic to application and #CDN in a scalable way without relying on #DPI:
https://labs.ripe.net/author/danny-lachos/beyond-the-network-view-dns-driven-application-visibility/

#FlowDNS is a reference implementation by Aniss Maghsoudlou:
https://github.com/maganiss/FlowDNS