{"id":4576,"date":"2020-01-08T09:46:36","date_gmt":"2020-01-08T09:46:36","guid":{"rendered":"https:\/\/www.beaconzone.co.uk\/blog\/?p=4576"},"modified":"2020-01-08T09:46:38","modified_gmt":"2020-01-08T09:46:38","slug":"ingics-bluetooth-gateway-mqtt-service-levels","status":"publish","type":"post","link":"https:\/\/www.beaconzone.co.uk\/blog\/ingics-bluetooth-gateway-mqtt-service-levels\/","title":{"rendered":"INGICS Bluetooth Gateway MQTT Service Levels"},"content":{"rendered":"\n<p>The INGICS <a rel=\"noreferrer noopener\" aria-label=\"iGS01S (opens in a new tab)\" href=\"https:\/\/www.beaconzone.co.uk\/Gateways\/iGS01S\" target=\"_blank\">iGS01S<\/a> (WiFi) and <a rel=\"noreferrer noopener\" aria-label=\"iGS02E (opens in a new tab)\" href=\"https:\/\/www.beaconzone.co.uk\/INGICS\/iGS02ENoPoE\" target=\"_blank\">iGS02E<\/a> (Ethernet) gateways support MQTT to send data to a server.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.beaconzone.co.uk\/blog\/wp-content\/uploads\/2019\/02\/igs01s_smaller-1024x1024.jpg\" alt=\"\" class=\"wp-image-3183\" width=\"256\" height=\"256\" srcset=\"https:\/\/www.beaconzone.co.uk\/blog\/wp-content\/uploads\/2019\/02\/igs01s_smaller-1024x1024.jpg 1024w, https:\/\/www.beaconzone.co.uk\/blog\/wp-content\/uploads\/2019\/02\/igs01s_smaller-150x150.jpg 150w, https:\/\/www.beaconzone.co.uk\/blog\/wp-content\/uploads\/2019\/02\/igs01s_smaller-300x300.jpg 300w, https:\/\/www.beaconzone.co.uk\/blog\/wp-content\/uploads\/2019\/02\/igs01s_smaller-768x768.jpg 768w, https:\/\/www.beaconzone.co.uk\/blog\/wp-content\/uploads\/2019\/02\/igs01s_smaller.jpg 1200w\" sizes=\"(max-width: 256px) 85vw, 256px\" \/><figcaption>iGS01S Bluetooth LE WiFi Gateway<\/figcaption><\/figure><\/div>\n\n\n\n<p><a rel=\"noreferrer noopener\" aria-label=\"MQTT defines (opens in a new tab)\" href=\"https:\/\/mosquitto.org\/man\/mqtt-7.html\" target=\"_blank\">MQTT defines<\/a> three levels of Quality of Service (QoS) that relate to whether requests are resent if not acknowledged:<\/p>\n\n\n\n<ul><li>0 &#8211; The broker\/client will deliver the message once, with no confirmation.<\/li><li>1 &#8211; The broker\/client will deliver the message at least once, with confirmation required.<\/li><li>2 &#8211; The broker\/client will deliver the message exactly once by using a four step handshake.<\/li><\/ul>\n\n\n\n<p>The INGICS gateways only support QoS level 0. This is because these gateways have lower memory and processing capability. They don&#8217;t have enough memory to queue unacknowledged requests required of other QoS levels. The extra processing would also significantly impact the performance and hence throughput.<\/p>\n\n\n\n<p>If you need a higher MQTT service level then try the <a href=\"https:\/\/www.beaconzone.co.uk\/Gateways\/G1\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Minew G1 (opens in a new tab)\">Minew G1<\/a> that supports QoS levels 0 and 1.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The INGICS iGS01S (WiFi) and iGS02E (Ethernet) gateways support MQTT to send data to a server. MQTT defines three levels of Quality of Service (QoS) that relate to whether requests are resent if not acknowledged: 0 &#8211; The broker\/client will deliver the message once, with no confirmation. 1 &#8211; The broker\/client will deliver the message &hellip; <a href=\"https:\/\/www.beaconzone.co.uk\/blog\/ingics-bluetooth-gateway-mqtt-service-levels\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;INGICS Bluetooth Gateway MQTT Service Levels&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[221,76,77,205,109,127],"tags":[],"_links":{"self":[{"href":"https:\/\/www.beaconzone.co.uk\/blog\/wp-json\/wp\/v2\/posts\/4576"}],"collection":[{"href":"https:\/\/www.beaconzone.co.uk\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.beaconzone.co.uk\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.beaconzone.co.uk\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.beaconzone.co.uk\/blog\/wp-json\/wp\/v2\/comments?post=4576"}],"version-history":[{"count":1,"href":"https:\/\/www.beaconzone.co.uk\/blog\/wp-json\/wp\/v2\/posts\/4576\/revisions"}],"predecessor-version":[{"id":4577,"href":"https:\/\/www.beaconzone.co.uk\/blog\/wp-json\/wp\/v2\/posts\/4576\/revisions\/4577"}],"wp:attachment":[{"href":"https:\/\/www.beaconzone.co.uk\/blog\/wp-json\/wp\/v2\/media?parent=4576"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.beaconzone.co.uk\/blog\/wp-json\/wp\/v2\/categories?post=4576"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.beaconzone.co.uk\/blog\/wp-json\/wp\/v2\/tags?post=4576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}