Control traffic to go out of the Mesh with Service Entry One of the great features of Istio is traffic control. You can control traffic for service to service within Service Mesh, control traffic coming into Service Mesh (Ingress) and absolutely control traffic out of Service Mesh. If you are interested in controlling incoming traffic. You can check the following previous blogs. How to get traffic into OpenShift Service Mesh You can control traffic out of service mesh by using Service Entry ( and also with Egress Gateway but Egress Gateway is beyond scope of this blog) With Service Entry, you can control traffic going out of service mesh and also can apply Istio policies to control behavior of outgoing traffic e.g. timeout.