gle cluster step by step guide</a> to explore more on this. (Note: In some internal discussions among Istio maintainers, this model was previously referred to as &ldquo;central istiod&rdquo;.)</p><figure style=width:100%><div class=wrapper-with-intrinsic-ratio style=padding-bottom:47.926329500847174%><a data-skipendnotes=true href=/v1.20/blog/2020/new-deployment-model/single-cluster-external-Istiod.svg title="Single cluster Istio mesh with Istiod outside"><img class=element-to-stretch src=/v1.20/blog/2020/n