sistent with the previous components.</p><p>Keep your eyes out for a blog post in the coming days devoted to Istiod, and
the benefits of moving to a simpler deployment model.</p><h2 id=a-new-model-for-extensibility>A new model for extensibility</h2><p>Istio has long been the most extensible service mesh, with Mixer plugins
allowing custom policy and telemetry support and Envoy extensions allowing data
plane customization. In Istio 1.5 we’re announcing a new model that unifies
Istio’s extensibility model