essfully accomplished the first part of this task: route traffic to one
version of a service.</p><h2 id=route-based-on-user-identity>Route based on user identity</h2><p>Next, you will change the route configuration so that all traffic from a specific user
is routed to a specific service version. In this case, all traffic from a user
named Jason will be routed to the service <code>reviews:v2</code>.</p><p>Note that Istio doesn&rsquo;t have any special, built-in understanding of user
identity. This example is