ses dependency ordering. It sits on the control path of the application’s network interactions between clients and services in a cluster and knows precisely when a service becomes a client by making the <code>connect</code> call and when a particular service becomes ready to accept connections by making the <code>listen</code> call. It&rsquo;s <em>service router</em> component disseminates information about these events across the cluster and arbitrates interactions among clients and servers. That is how 