1.0Pandora FMShttps://pandorafms.com/en/Rocío Cerónrich600338<blockquote class="wp-embedded-content" data-secret="tuCHGkD7Cw"><a href="https://pandorafms.com/en/it-topics/what-is-mqtt/">What is MQTT? The most widely used protocol for IoT</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://pandorafms.com/en/it-topics/what-is-mqtt/embed/#?secret=tuCHGkD7Cw" width="600" height="338" title="“What is MQTT? The most widely used protocol for IoT” — Pandora FMS" data-secret="tuCHGkD7Cw" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://pandorafms.com/wp-includes/js/wp-embed.min.js </script> https://pandorafms.com/wp-content/uploads/2024/04/iot-it-topics-pfms.webp1065597Discover what the MQTT protocol is, how it works and what components it has. We analyze its evolution and the security measures it requires, as well as its advantages and differences with REST.