Design Theory
Production goals are exactly that, they are goals. Measuring finite, reportable metrics in production is always wrong as it produces the wrong organizational behavior. If you substitute the User Experience (UX) for previous methods of measurement, human behavior starts to align with the reason that performance was measured. The temptation is to measure and manage by all available metrics. This has consistently proven to produce the wrong human-based results. This is a good point to insert AIOps for the system or service to be managed, whereas the human is charged with positive UX.
Design theory for SASE has not been written at the time of authoring this book. Practitioners of SASE subscribe to ZTF mixed with DevOps concepts. In each case of successful SASE Service deployment, the separation between the data plane and the control plane is observed. Additional planes are identified based on perspective and the design of the services as provided by the developer or service...