to have a routing rule in place <strong>before</strong>
the new version is started, to prevent it from immediately receiving traffic
in an uncontrolled way.</p><p>Another potential issue when relying on Istio&rsquo;s default round-robin routing is
due to a subtlety in Istio&rsquo;s destination rule evaluation algorithm.
When routing a request, Envoy first evaluates route rules in virtual services
to determine if a particular subset is being routed to.
If so, only then will it activate any destination rule p