That's not quite right. A single socket thread does all the requests and telemetry is multiplexed with user traffic. If telemetry is different in some way to ot

That's not quite right. A single socket thread does all the requests and telemetry is multiplexed with user traffic. If telemetry is different in some way to other network traffic, then it's always possible for it to cause problems with user traffic. Telemetry is different to user traffic - it's less important! - but of course any in-process QoS would still create a point of interaction with user traffic.