title: Send data to front end when back end updates
body: <p>The backend of my web application receives updates from several clients. When such an update happens it should be communicated to all other clients.</p>
  
  <p>How can I initiate an update from the server to all web browser clients when my backend is updated?</p>
  
  <p>I'm using JBoss, JSF and the Spring framework.</p>