4-2ssll</code>, while our next set (using a new connection) are all sent to <code>echo-cb96f8d94-879sn</code>.
Our third instance never receives any requests.</p><p>With Istio, HTTP traffic (including HTTP/2 and gRPC) is automatically detected, and our services will automatically be load balanced per <em>request</em>, rather than per <em>connection</em>:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ curl http://echo/{0..5} -s | grep Hostname
Hostname=echo-cb96f8d94-wf4xk
Hostname