p.html>docs</a>.</div></aside></div><p>In my previous blog post, <a href=/v1.3/blog/2018/egress-https/>Consuming External Web Services</a>, I described how external services
can be consumed by in-mesh Istio applications via HTTPS. In this post, I demonstrate consuming external services
over TCP. You will use the <a href=/v1.3/docs/examples/bookinfo/>Istio Bookinfo sample application</a>, the version in which the book
ratings data is persisted in a MySQL database. You deploy this database outside the cluster