 aware of the sidecar and wish to take advantage of its features. They can voluntarily delegate their network interactions by passing their sockets to the sidecar using the same feature. In a way, AppSwitch transparently turns every application into a sidecar-aware application.</p><h2 id=how-does-it-all-come-together>How does it all come together?</h2><p>Just to step back, Istio offloads common connectivity concerns from applications to a sidecar proxy that performs those functions on behalf of the applicat