 the policy
apply to any subset, for example:</p><pre><code class=language-yaml data-expandlinks=true data-repo=istio>apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
  name: reviews
spec:
  host: reviews
  trafficPolicy:
    connectionPool:
      tcp:
        maxConnections: 100
  subsets:
  - name: v1
    labels:
      version: v1
</code></pre></li><li><p>Define proper route rules for the service using a virtual service.
For example, add a simple route rule for the <code>v1</code> 