This was presented in a private workshop on distributed tracing and it provides details about the current state of distributed tracing at netflix (July 2015)
Recommendation service Subscriber service Cache C* Who Am I dependent on? Who Am I dependent on? Who calls me? Who overwhelmed me now? What services does a request touch?
Subscriber service Cache C* ❖ Proprietary generic over the network “context propagation” library. ❖ Only HTTP traffic, context propagated as headers. ❖ On receipt, realize back to thread local.