describes the foundational concepts used throughout this guide.</p><p>In addition, review the requirements and perform the initial steps below.</p><h2 id=requirements>Requirements</h2><h3 id=cluster>Cluster</h3><p>This guide requires that you have two Kubernetes clusters with any of the
supported Kubernetes versions: 1.16, 1.17, 1.18, 1.19.</p><h3 id=api-server-access>API Server Access</h3><p>The API Server in each cluster must be accessible to the other clusters in the
mesh. Many cloud providers make API S