A stream processing system in a first zone of a telecommunication network may obtain at least one policy for processing trace data of virtual network functions (VNFs) in the first zone, and obtain the trace data of the VNFs from a data distribution platform of the telecommunication network, where the trace data is published in accordance with a topic to the data distribution platform by the VNFs, and where the stream processing system comprises a subscriber to the topic. The first stream processing system may additionally forward at least a first portion of the trace data to a second stream processing system of the telecommunication network in accordance with the at least one policy, where the first portion comprises less than all of the trace data, and where the second stream processing system is for a region of the telecommunication network that includes the first zone and a second zone.