 modular and extensible component. One of it’s key functions is to abstract away the details of different policy and telemetry backend systems, allowing Envoy and Istio-based services to be agnostic of those backends, which keeps them portable.</p><p>Mixer’s flexibility in dealing with different infrastructure backends is achieved by having a general-purpose plug-in model. Individual plug-ins are known as <em>adapters</em> and they allow Mixer to interface to different infrastructure backends that deliv