{"id":2390,"date":"2025-09-14T14:07:50","date_gmt":"2025-09-14T11:07:50","guid":{"rendered":"https:\/\/zekros.com\/?p=2390"},"modified":"2025-09-14T15:57:50","modified_gmt":"2025-09-14T12:57:50","slug":"mqtt-protokolu","status":"publish","type":"post","link":"https:\/\/zekros.com\/en\/mqtt-protokolu\/","title":{"rendered":"MQTT Protokol\u00fc: IoT D\u00fcnyas\u0131nda Verimli ve G\u00fcvenilir \u0130leti\u015fim"},"content":{"rendered":"<h1 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-c9863a3e850d3ebb2a5c3630327b990e\">MQTT Protokol\u00fc: IoT D\u00fcnyas\u0131nda Verimli ve G\u00fcvenilir \u0130leti\u015fim<\/h1>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-9353b4d7221ed405e983101cde710e98\">Nesnelerin \u0130nterneti (IoT) hayat\u0131m\u0131z\u0131n her alan\u0131na girmi\u015f durumda. Ak\u0131ll\u0131 evlerden end\u00fcstriyel \u00fcretim hatlar\u0131na, tar\u0131m teknolojilerinden enerji y\u00f6netimine kadar milyarlarca cihaz s\u00fcrekli olarak veri \u00fcretiyor ve payla\u015f\u0131yor. Peki bu cihazlar <strong>d\u00fc\u015f\u00fck bant geni\u015fli\u011fi, d\u00fc\u015f\u00fck enerji t\u00fcketimi ve y\u00fcksek g\u00fcvenilirlik<\/strong> prensipleriyle nas\u0131l haberle\u015fiyor?<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-5ac6f4dc02329f22a487705962d18441\">MQTT Nedir ve Neden \u00d6nemlidir?<\/h2>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-e059549ba81bac71dd05da9bed5711c4\">MQTT, 1999 y\u0131l\u0131nda IBM taraf\u0131ndan geli\u015ftirilmi\u015f, g\u00fcn\u00fcm\u00fczde ise <strong>IoT ileti\u015fim protokolleri<\/strong> aras\u0131nda en yayg\u0131n kullan\u0131lanlardan biridir. Onu \u00f6zel yapan \u015fey; <strong>verimli, h\u0131zl\u0131 ve \u00f6l\u00e7eklenebilir<\/strong> bir yap\u0131ya sahip olmas\u0131d\u0131r.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-b0dd94bb12ff7f7fd731433b02bd3152\">D\u00fc\u015f\u00fcn\u00fcn ki bir s\u0131cakl\u0131k sens\u00f6r\u00fcn\u00fcz var. Her birka\u00e7 saniyede bir de\u011fer \u00f6l\u00e7\u00fcyor ve bunu merkezi bir sisteme g\u00f6ndermek istiyor. \u0130\u015fte MQTT, bu ileti\u015fimi minimum kaynak kullanarak m\u00fcmk\u00fcn k\u0131lar.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-0fc6b42685802ee908858ac284297c8d\">MQTT\u2019nin \u00c7al\u0131\u015fma Mant\u0131\u011f\u0131: Publish\/Subscribe Modeli<\/h2>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-abf5424d982d6be9de1359105baa13e6\">MQTT\u2019nin temelinde basit ama g\u00fc\u00e7l\u00fc bir ileti\u015fim modeli vard\u0131r:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-6b6fe3ac8032eb851b21721057810f5d\"><strong>Publisher (Yay\u0131nc\u0131):<\/strong> Veriyi \u00fcretir ve bir <strong>topic<\/strong> (konu) \u00fczerinden g\u00f6nderir.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-b4d3c6420be0476bf4625a7ed68a8937\"><strong>Subscriber (Abone):<\/strong> \u0130lgili topic\u2019e abone olur ve mesaj\u0131 al\u0131r.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-fffe52171ac50c0e83ef102afcbd8f2f\"><strong>Broker:<\/strong> T\u00fcm ileti\u015fimin merkezi y\u00f6netim noktas\u0131d\u0131r.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-98301b2eb55d1cf0074c6c0623924589\">Bu modelin avantaj\u0131, cihazlar\u0131n birbirine do\u011frudan ba\u011fl\u0131 olmamas\u0131, yani <strong>gev\u015fek ba\u011fl\u0131 (loosely coupled)<\/strong> bir sistem kurulmas\u0131d\u0131r. B\u00f6ylece hem \u00f6l\u00e7eklenebilirlik artar hem de karma\u015f\u0131kl\u0131k azal\u0131r.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-102644b64c7ba3a74bae0ad2ba6e2731\">\ud83d\udc49 En \u00e7ok kullan\u0131lan MQTT broker\u2019lar\u0131 aras\u0131nda <strong>Eclipse Mosquitto<\/strong>, <strong>HiveMQ<\/strong> ve <strong>EMQX<\/strong> bulunuyor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-2c1655fea5a25ab19e2ed7212526bc32\">QoS Seviyeleri: MQTT\u2019de G\u00fcvenilirlik Ayar\u0131<\/h2>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-0c1f4d5334dcc1e71979db9f75e8961f\">MQTT\u2019nin en dikkat \u00e7ekici \u00f6zelliklerinden biri, mesajlar\u0131n iletim g\u00fcvenilirli\u011fini <strong>QoS (Quality of Service)<\/strong> seviyeleri ile ayarlayabilmenizdir:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-9df452539852c6da8107d51ee4a43248\"><strong>QoS 0 \u2013 At Most Once:<\/strong> Mesaj g\u00f6nderilir ama al\u0131c\u0131n\u0131n ald\u0131\u011f\u0131 garanti edilmez. Basit sens\u00f6r verileri i\u00e7in yeterlidir.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-e77f9f40f37e290a3efc8989a99620bf\"><strong>QoS 1 \u2013 At Least Once:<\/strong> Mesaj en az bir kez iletilir, ama bazen birden fazla kez gelebilir. Kritik olmayan ama g\u00fcvenilirlik isteyen uygulamalarda tercih edilir.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-8344f708cf9aa068ffd8722e76c954a2\"><strong>QoS 2 \u2013 Exactly Once:<\/strong> Mesaj yaln\u0131zca bir kez ve eksiksiz ula\u015f\u0131r. Finans ve sa\u011fl\u0131k gibi kritik sekt\u00f6rlerde kullan\u0131l\u0131r.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-fe8a9a6ca866434a6132af81aa5edae6\">Teknik \u00d6zelliklere Yak\u0131ndan Bak\u0131\u015f<\/h2>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-23bf0d1be398c32b99cfb2ac3ab3f39c\">MQTT, IoT projelerini daha g\u00fcvenilir hale getiren bir\u00e7ok teknik \u00f6zelli\u011fe sahiptir:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-f7ee4395b8c50e69885975dd471c9f21\"><strong>Topic Yap\u0131s\u0131:<\/strong> <code>\/factory\/machine1\/temperature<\/code> gibi hiyerar\u015fik yap\u0131larla cihazlar\u0131 kolayca organize eder.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-4545fd6cb2ad729da68fab8a64229e20\"><strong>Retain Flag:<\/strong> Yeni abone olan cihazlar i\u00e7in son mesaj saklan\u0131r ve otomatik iletilir.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-48b7af82acf543326f99811232c5c0b3\"><strong>Last Will &amp; Testament (LWT):<\/strong> Cihaz aniden ba\u011flant\u0131y\u0131 kaybederse broker \u00f6nceden tan\u0131mlanm\u0131\u015f bir mesaj yay\u0131nlar.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-a0d36ce8e0f6e8b31082dc93ce54902a\"><strong>Keep Alive:<\/strong> Cihazlar\u0131n aktif olup olmad\u0131\u011f\u0131 d\u00fczenli sinyallerle takip edilir.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-d0d356359e64813c8db1b600c95003d4\">MQTT\u2019de G\u00fcvenlik<\/h2>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-a1c8b73427fef749a5ebb102a8c923b5\">IoT\u2019nin en kritik konular\u0131ndan biri g\u00fcvenliktir. MQTT de bu alanda g\u00fc\u00e7l\u00fc mekanizmalar sunar:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-65ad472c176dcfe23da470e25c35ee2f\"><strong>TLS\/SSL \u015fifreleme<\/strong> ile veriler g\u00fcvenli ta\u015f\u0131n\u0131r.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-56eb3bbb90b39ffcc5e80ceaec8a28ef\"><strong>Kimlik do\u011frulama<\/strong> sayesinde yaln\u0131zca yetkili cihazlar sisteme ba\u011flan\u0131r.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-ab78463d69ca84c13dba5b08a3cc7b61\"><strong>ACL (Access Control List)<\/strong> ile her cihaz\u0131n hangi topic\u2019e eri\u015fece\u011fi kontrol alt\u0131na al\u0131n\u0131r.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-69ae268ed6ed4852758ca5bbfed10000\">End\u00fcstriyel IoT projelerinde g\u00fcvenlik sadece \u015fifreleme ile s\u0131n\u0131rl\u0131 kalmaz; <strong>a\u011f segmentasyonu, g\u00fcvenlik duvarlar\u0131 ve tehdit analiz sistemleri<\/strong> de i\u015fin i\u00e7ine girer.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-1d7919e426f770c12edd28777770a6c3\">Zekros M\u00fchendislik\u2019te MQTT\u2019nin Rol\u00fc<\/h2>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-a696f5718cb9b6bd46ea97d667fa9e3d\">Biz Zekros M\u00fchendislik olarak, <strong>60\u2019tan fazla \u00fclkede tamamlad\u0131\u011f\u0131m\u0131z projelerde<\/strong> MQTT protokol\u00fcn\u00fc aktif \u015fekilde kullan\u0131yoruz.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-a8a505d1b9cdc1068b53e919162dc825\">Fabrika otomasyonunda <strong>ger\u00e7ek zamanl\u0131 veri topluyoruz<\/strong>.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-2055a0ac46d96368a51d7fbf1cbf3817\">Enerji y\u00f6netiminde <strong>uzaktan izleme ve kontrol<\/strong> sa\u011fl\u0131yoruz.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-f4dd4b68b38ed6d18dd83c12b9150087\">Siber g\u00fcvenlik \u00e7\u00f6z\u00fcmleriyle <strong>cihazlar aras\u0131 g\u00fcvenilir ileti\u015fim<\/strong> kuruyoruz.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-b91782d5e3b38c2e4c948adf56c0c8dc\">Yapay zeka projelerinde ise <strong>b\u00fcy\u00fck veri setlerini merkezi olarak topluyor ve i\u015fliyoruz<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-5ffdbd8079cde4a5b8a5365920b94fe9\">Sonu\u00e7 olarak; m\u00fc\u015fterilerimize <strong>verimli, g\u00fcvenilir ve \u00f6l\u00e7eklenebilir IoT \u00e7\u00f6z\u00fcmleri<\/strong> sunuyoruz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-5926b5c03e707578138e49b32f04039d\">Sonu\u00e7: MQTT Neden Tercih Edilmeli?<\/h2>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-3c27ab1f57bda6bc626de733fe1b0eb1\"><strong>MQTT protokol\u00fc<\/strong>, IoT d\u00fcnyas\u0131n\u0131n en \u00f6nemli yap\u0131 ta\u015flar\u0131ndan biri.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-be8367e27e18cc04bedab0ebe4352f70\">Verimlili\u011fi sayesinde d\u00fc\u015f\u00fck kaynakla y\u00fcksek performans sunar.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-3346a291f87a6726421471772376eed8\">QoS seviyeleri ile g\u00fcvenilirlik ihtiyaca g\u00f6re ayarlanabilir.<\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-e469d7f71c74aeac3439867ee55bcf96\">G\u00fc\u00e7l\u00fc g\u00fcvenlik entegrasyonlar\u0131 ile end\u00fcstriyel \u00f6l\u00e7eklerde kullan\u0131labilir.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-2f191e451f1852c32fcddd42d9e6974b\">K\u0131sacas\u0131, <strong>ger\u00e7ek zamanl\u0131, g\u00fcvenli ve verimli veri iletimi<\/strong> ihtiyac\u0131 olan her proje i\u00e7in MQTT do\u011fru bir se\u00e7imdir.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>MQTT Protokol\u00fc: IoT D\u00fcnyas\u0131nda Verimli ve G\u00fcvenilir \u0130leti\u015fim Nesnelerin \u0130nterneti (IoT) hayat\u0131m\u0131z\u0131n her alan\u0131na girmi\u015f durumda. Ak\u0131ll\u0131 evlerden end\u00fcstriyel \u00fcretim hatlar\u0131na, tar\u0131m teknolojilerinden enerji y\u00f6netimine kadar milyarlarca cihaz s\u00fcrekli olarak veri \u00fcretiyor ve payla\u015f\u0131yor. Peki bu cihazlar d\u00fc\u015f\u00fck bant geni\u015fli\u011fi, d\u00fc\u015f\u00fck enerji t\u00fcketimi ve y\u00fcksek g\u00fcvenilirlik prensipleriyle nas\u0131l haberle\u015fiyor? MQTT Nedir ve Neden \u00d6nemlidir? MQTT, 1999 y\u0131l\u0131nda [&hellip;]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18,84],"tags":[81,78,77,80,76,75,79,83,82],"class_list":["post-2390","post","type-post","status-publish","format-standard","hentry","category-all-topics","category-ep","tag-endustriyel-iot","tag-iot-iletisim-protokolleri","tag-mqtt-broker","tag-mqtt-guvenlik","tag-mqtt-nedir","tag-mqtt-protokolu","tag-mqtt-qos","tag-mqtt-uygulamalari","tag-verimli-iot-protokolu"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>MQTT Protokol\u00fc: IoT D\u00fcnyas\u0131nda Verimli ve G\u00fcvenilir \u0130leti\u015fim - Zekros M\u00fchendislik<\/title>\n<meta name=\"description\" content=\"MQTT protokol\u00fc nedir? 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