-problem>Dependency ordering problem</h2><p>An issue that arises due to application decomposition and one that Istio doesn’t address is dependency ordering &ndash; bringing up individual services of an application in an order that guarantees that the application as a whole comes up quickly and correctly. In a monolithic application, with all its components built-in, dependency ordering between the components is enforced by internal locking mechanisms. But with individual services potentially scattered acr