">v1</span>
  <span class="na">circuitBreaker</span><span class="pi">:</span>
    <span class="na">simpleCb</span><span class="pi">:</span>
      <span class="na">maxConnections</span><span class="pi">:</span> <span class="s">100</span>
</code></pre></div></div><p>Since there is no specific route rule defined for the “reviews” service, default round-robin routing behavior will apply, which will presumably call “v1” instances on occasion, maybe even always if “v1” is the only running version. Nev