al services. The MongoDB was defined as a <code>ServiceEntry</code>.</p><figure style=width:70%><div class=wrapper-with-intrinsic-ratio style=padding-bottom:74.41253263707573%><a data-skipendnotes=true href=/v1.1/blog/2019/egress-performance/./case2_sidecar_passthru3.png title="Sidecar intercepting traffic to external MongoDB"><img class=element-to-stretch src=/v1.1/blog/2019/egress-performance/./case2_sidecar_passthru3.png alt="Sidecar intercepting traffic to external MongoDB"></a></div><figcaption>Sidecar