{"id":50392,"date":"2019-06-04T06:00:34","date_gmt":"2019-06-04T04:00:34","guid":{"rendered":"http:\/\/smeupnew.it\/magazine\/blog\/iiot-protocollo-mqtt\/"},"modified":"2021-04-06T15:19:50","modified_gmt":"2021-04-06T13:19:50","slug":"iiot-protocollo-mqtt","status":"publish","type":"post","link":"https:\/\/www.smeup.com\/magazine\/blog\/iiot-protocollo-mqtt\/","title":{"rendered":"Nuove opportunit\u00e0 per l&#8217;IIoT: il protocollo MQTT"},"content":{"rendered":"<h2>L\u2019esigenza<\/h2>\n<p>La rivoluzione digitale dell\u2019Industria 4.0 ha portato una grande sensibilizzazione sul tema della raccolta dati. Abbattere le improduttivit\u00e0, monitorare lo stato di avanzamento delle commesse in tempo reale, prendere decisioni di make or buy, sono solo alcune delle vie dove l\u2019integrazione dei dati di campo ha aperto nuovi <strong>orizzonti<\/strong>.<\/p>\n<p>Gettando uno sguardo oltre il breve periodo si scopre per\u00f2 uno snodo cruciale sul quale riflettere. I dati raccolti devono essere <strong>storicizzati<\/strong>. Pu\u00f2 sembrare un aspetto ovvio, ma non \u00e8 cos\u00ec. Si pensi ad un percorso di tracciabilit\u00e0 di un lotto che per motivi legislativi vada conservato per anni. Moltiplicando lo spazio d\u2019archiviazione richiesto dalle informazioni salienti per il numero dei lotti prodotti negli anni, ci si rende conto che le esigenze di memoria diventano considerevoli.<\/p>\n<p>La soluzione principe a tutto questo esiste e si chiama <strong>cloud<\/strong>.<\/p>\n<h2>Non stavamo parlando di MQTT?<\/h2>\n<p>Vero, il tema cloud non \u00e8 il centro di questo articolo, ma \u00e8 il contesto dove le caratteristiche dell\u2019MQTT si esaltano.<br \/>\nI messaggi MQTT richiedono infatti poca banda ed hanno un basso impatto. Possono quindi viaggiare con minima incidenza su reti che gestiscano gi\u00e0 un traffico importante o in situazioni dove la connessione internet non sia nelle condizioni ideali.<br \/>\nTenendo sempre valide queste caratteristiche, \u00e8 possibile inoltre configurare il protocollo per renderlo <strong>affidabile<\/strong>, ovvero attivare dei meccanismi che garantiscano il recapito del messaggio a destinazione.<\/p>\n<h2>smeup e l\u2019MQTT<\/h2>\n<p>Anche l\u2019IIoT di smeup ha scelto di organizzare il proprio sistema di raccolta dati e storicizzazione in cloud utilizzando l\u2019<strong>MQTT<\/strong> come ponte tra la parte on site e l\u2019esterno, con risultati soddisfacenti anche in presenza di condizioni limite sotto il profilo delle prestazioni di banda.<\/p>\n<p><strong>Marco Ambrosini<br \/>\n<\/strong><em>Industrial IoT Specialist &#8211; smeup<br \/>\n<\/em><a href=\"https:\/\/it.linkedin.com\/in\/marco-ambrosini-97b83290\" target=\"_blank\" rel=\"noopener\">My LinkedIn Profile<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Anche l\u2019IIoT del Gruppo Sme.UP ha scelto di organizzare il proprio sistema di raccolta dati e storicizzazione in cloud utilizzando l\u2019MQTT come ponte tra la parte on site e l\u2019esterno, con risultati soddisfacenti anche in presenza di condizioni limite sotto il profilo delle prestazioni di banda.<\/p>\n","protected":false},"author":1,"featured_media":53192,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7181],"tags":[3907,3806,4194,6113],"class_list":["post-50392","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-iot","tag-cloud","tag-industria-4-0","tag-industrial-iot","tag-mqtt"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Nuove opportunit\u00e0 per 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