While not strictly about monitoring, Designing Data-intensive Applications [1] is one our our bibles when instrumenting a complex global network. We use ideas

While not strictly about monitoring, Designing Data-intensive Applications [1] is one our our bibles when instrumenting a complex global network. We use ideas like CDC and eventsourcing to make streams of data that we then correlate and visualise. [1] https://dataintensive.net/ https://dataintensive.net/