e-icon"><use xlink:href="/v1.21/img/icons.svg#callout-warning"/></svg></div><div class=content>This blog post was written assuming Istio 0.2, so some of this content may now be outdated.</div></aside></div><div><p>Istio 0.2 introduced a new Mixer adapter model which is intended to increase Mixer’s flexibility to address a varied set of infrastructure backends. This post intends to put the adapter model in context and explain how it works.</p><h2 id=why-adapters>Why adapters?</h2><p>Infrastructure backends