iner><nav class=toc aria-label="Table of Contents"><div id=toc><ol><li role=none aria-label="Before you begin"><a href=#before-you-begin>Before you begin</a><li role=none aria-label="Configure Istio for distributed tracing"><a href=#configure-istio-for-distributed-tracing>Configure Istio for distributed tracing</a><ol><li role=none aria-label="Configure an extension provider"><a href=#configure-an-extension-provider>Configure an extension provider</a><li role=none aria-label="Enable tracing"><a href=#enable