4/blog/2018/incremental-traffic-management/fifty-fifty.png alt="50/50 Traffic Split"></a></div><figcaption>50/50 Traffic Split</figcaption></figure><p>If Services A and B are not part of the Istio mesh, there is no sidecar proxy that knows how to route traffic to different versions of Service B. In that case you need to use another approach to get traffic from Service A to Service B, following the <sup>50</sup>&frasl;<sub>50</sub> rules you’ve setup.</p><p>Fortunately, a standard Istio deployment already 