 behalf of an application, allowing
it to focus on business logic. Applications connect to a gateway and then all
subsequent interactions are managed using that gateway’s configuration.</p>
<p>In this topic, we’re going to cover:</p>
<ul class="simple">
<li><p>[Why gateways are important](#scenario)</p></li>
<li><p>[How applications use a gateway](#connect)</p></li>
<li><p>[How to define a static gateway](#static)</p></li>
<li><p>[How to define a dynamic gateway for service discovery](#dynamic)</p></li>