 is comprised of a set of spans,
where each span corresponds to a Bookinfo service, invoked during the execution of a <code>/productpage</code> request, or
internal Istio component, for example: <code>istio-ingressgateway</code>.</p></li></ol><h2 id=explore-skywalkings-official-demo-application>Explore SkyWalking&rsquo;s official demo application</h2><p>In this tutorial, we use the <a href=/v1.16/docs/examples/bookinfo/#deploying-the-application>Bookinfo</a> sample application, in this sample application
th