We're rewriting our network stack in Icinga 2.11 in order to to eliminate bugs with timeouts, connection problems, improve the overall performance. Last but not least, we want to use modern library code instead of many thousands of lines of custom written code. More details can be found in this GitHub issue. From a developer's point of view, we've evaluated different libraries and frameworks before deciding on a possible solution. Alex created several PoCs and already did a deep-dive into...