This is an application of patent number: US 8774165 B2, “End-to-end Internet connections establishment”. See patent details here.
Established providers architectures
Service providers Google, Skype, WhatsApp, deploy servers S, Data bases DB to control the establishments of connections between the end points EP.
Patent: US 8774165 B2 scenario
The patent number US 8774165 B2 supports solutions that puts the functions of DBs and servers in the End Points applications and thus provide independence and privacy.