 only the ALB is allowed to talk to the Istio ingress gateway, an additional Istio security policy
must be defined. In order to verify that the ALB indeed talks to the Istio ingress gateway, additional configuration
must be added to the ALB. The additional configuration of the Istio ingress gateway and the ALB is out of scope for this
blog.</div></aside></div><p>Traffic to the services without an Istio sidecar can continue to flow as before directly from the ALB.</p><p>The diagram below exemplifies the desc