Breadcrumb><ol><li><a href=/v1.19/docs/ title="Learn how to deploy, use, and operate Istio.">Documentation</a><svg class="icon breadcrumb-arrow"><use xlink:href="/v1.19/img/icons.svg#breadcrumb-arrow"/></svg></li><li>Concepts</li></ol></nav><div class=title-area><div style=width:100%><h1 id=title>Concepts</h1></div></div><p>Learn about the different parts of the Istio system and the abstractions it uses.</p><div class=section-index><div class=entry title="22 minute read"><h5><a href=/v1.19/docs/concepts/tra