able versions
in a round robin fashion.</p><p>The initial goal of this task is to apply rules that route all traffic to <code>v1</code> (version 1) of the microservices. Later, you
will apply a rule to route traffic based on the value of an HTTP request header.</p><h2 id=apply-a-virtual-service>Apply a virtual service</h2><p>To route to one version only, you apply virtual services that set the default version for the microservices.
In this case, the virtual services will route all traffic to <code>v1</code>