<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <!------ Include the above in your HEAD tag ----------> A <a href="https://www.extnoc.com/learn/general/connectionless-protocol">connectionless protocol </a> is a type of network communication where data packets travel independently through multiple nodes without being routed or directed. Connection-oriented protocols require a direct path between two hosts before sending data. Read the below article to know more about connectionless protocol.