There are many complex paths in the network stack and more are being innovated at a fast pace. The consequence is debugging issues becomes significantly more difficult and time-consuming. Antoine Tenart, Paolo Valerio and Adrián Moreno created Retis to address this challenge and speed up network problem diagnosis. Come learn some of the challenges they faced in a desire to create versatile tooling leading to their main architectural decisions. The instructors will discuss the important features offered by Retis illustrated using simple to complex use cases. More info: https://netdevconf.info/0x19/21 cheers, jamal