working/virtual-service-reviews-v3.yaml@
</code></pre></div><p>Now when you refresh the <code>/productpage</code> you will always see book reviews
with <em>red</em> colored star ratings for each review.</p></li></ol><h2 id=understanding-what-happened>Understanding what happened</h2><p>In this task you migrated traffic from an old to new version of the <code>reviews</code> service using Istio&rsquo;s weighted routing feature. Note that this is very different than doing version migration using the deployment 