issues.</p><h2 id=set-default-routes-for-services>Set default routes for services</h2><p>Although the default Istio behavior conveniently sends traffic from any
source to all versions of a destination service without any rules being set,
creating a <code>VirtualService</code> with a default route for every service,
right from the start, is generally considered a best practice in Istio.</p><p>Even if you initially have only one version of a service, as soon as you decide
to deploy a second version, you need 