://cloud.google.com/kubernetes-engine/>Google Kubernetes Engine</a> clusters.</p><h2 id=before-you-begin>Before you begin</h2><p>In addition to the prerequisites for installing Istio the following setup is required for this example:</p><ul><li><p>This sample requires a valid Google Cloud Platform project with billing enabled. If you are
not an existing GCP user, you may be able to enroll for a $300 US <a href=https://cloud.google.com/free/>Free Trial</a> credit.</p><ul><li><a href=https://cloud.google.com/r