ame application is deployed in multiple zones, sometimes not. </p>
<p>it can quickly become a nightmare when you want to access an application deployed in one network zone from another network zone. You&rsquo;ll have to publicly expose this application to be able to access it from the other zone. This pattern is fine, but sometimes it&rsquo;s not enough. With <code>relay routing</code>, you will be able to flag your routes as being deployed in one zone or another, and let otoroshi handle all the heavy lifti