 Istio project has always wanted to
provide a platform on top of which a rich set of extensions could be built, to meet the diverse
needs of our users. There are many reasons to add capability to the data plane of a service
mesh &mdash; to support newer protocols, integrate with proprietary security controls, or enhance
observability with custom metrics, to name a few.</p><p>Over the last year and a half our team here at Google has been working on adding dynamic
extensibility to the Envoy proxy using <a hre