trong> Node and Cloud Backend Communication Protocol</a></li><li class="chapter-item expanded "><a href="../../chapter_9/9.4/9.4.3.html"><strong aria-hidden="true">9.4.3.</strong> Communication between Client and Cloud Backend</a></li><li class="chapter-item expanded "><a href="../../chapter_9/9.4/9.4.4.html"><strong aria-hidden="true">9.4.4.</strong> User Roles</a></li><li class="chapter-item expanded "><a href="../../chapter_9/9.4/9.4.5.html"><strong aria-hidden="true">9.4.5.</strong> Basic Services</a></