ion. And AppSwitch simplifies and optimizes the service mesh by sidestepping intermediate layers and invoking the proxy only for cases where it is truly necessary.</p><p>In the rest of this section, I outline how AppSwitch may be integrated with Istio based on a very cursory initial implementation. This is not intended to be anything like a design doc &ndash; not every possible way of integration is explored and not every detail is worked out. The intent is to discuss high-level aspects of the implementatio