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MQTT
'''MQTT'''<ref> {{Cite web |  title = MQTT 3.1.1 especificación | url = http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/mqtt-v3.1.1.html | publisher = [[OASIS (organización) | OASIS]] | data = 10 de decembro de 2015 |  access-date = April 25, 2017}} </ref> ('''Message Queuing Telemetry Transport''') é un prtocolo de menxasería baseado en [[Patrón de publicación-subscrición |publicación-subscrición]]  recollido na [[Organización Internaciona(contracted; show full) =  MQTT para redes de sensores ( MQTT- SN) Especificación do protocolo Versión 1.2 | url =  http: // mqtt. org/ MQTT- S_ spec_v1.2.pdf |  author = [[Andy  Stanford -Clark |  Stanford-Clark, Andy]]; Hong  Linh  Truong |  website =  mqtt. org |  publisher =  MQTT |  format = PDF |  page = 27 | date =  November 14, 2013 |  access-date =  May 9, 2014}} </ref> é unha variación do protocolo principal dirixido a dispositivos integrados en redes que non son TCP/IP, como [[Zigbee]].

Historicamente, o "
  MQ" en "  MQTT" proveu da liña de produtos [[  IBM   MQ]] (entón ' MQSeries') [[  Message   queueing]]. <ref> {{cite web |  title =  IBM  MQ | url =  https : //www.ibm.com/products/mq |  publisher = [[ IBM]] |  access-date = 18 de novembro de 2013}} </ref> Con todo, non se require que a cola en si sexa compatible como unha característica estándar en todas as situacións. <ref> {{cite web | title = Elección do protocolo de mensaxería:  AMQP,  MQTT ou  STOMP | url = http://blogues.vmware.com/vfabric/2013/02/choosing-your-messaging-protocol-amqp-mqtt-or-stomp.html | last = Piper | first = Andy | website = blogues. vmware.com | publisher = [[VMware]] Blogues | page = 1 | date =  February 19, 2013 |  access-date = 23 de outubro de 2013}} </ref>

Os protocolos alternativos inclúen o [[ Advanced  Message  Queuing  Protocol | Protocolo avanzado de  Message  Queue  Server ( AMQP)]], [[ Streaming  Text  Oriented  Messaging  Protocol |    Streaming  Text  Oriented  Messaging  Protocol (  STOMP)]], [[  IETF]] [[  Constrained   Application   Protocol]], <ref> {{cite web |  title = Protocolo de aplicación restrinxida ( CoAP)  RFC 7252 | url =  https: //  tools. ietf. org/html/ rfc7252 |  last1 =  Shelby |  first1 =  Zach |  last2 =  Hartke |  first2 =  Klaus | last3 =  Bormann |  first3 =  Carsten |  website =  tools. ietf. org |  publisher = [[Grupo de traballo de enxeñería da internet |  IETF]] |  page = 1 | date =  June 26, 2014 |  access-date =  November 15, 2015}} </ref> [[  XMPP]], <ref> {{cite web |  title =  InternetOfThings | url =  https://wiki.xmpp.org/web/InternetOfThings |  author = [[XMPP]]  community |  website = wiki.xmpp.org |  publisher = XMPP wiki |  page = 1 | date = Novembro 1, 2013 |  access-datee = 9 de maio de 2014}} </ref> <ref> {{cite web |  title = Protocolos da internet para  Smart  Grid  RFC 6272 | url =  https://datatracker.ietf.org/doc/rfc6272/?Include_text=1 | last1 = Baker | first1 = Fred | last2 =  Meyer | first2 = David |  website =  datatracker. ietf. org |  publisher = [[Internet  Engineering  Task  Force |  IETF]] |  page = 1 | date =  June 21, 2011 |  access -data = 9 de maio de 2014}} </ref> [[Data  Distribution  Service |    DDS]], <ref> {{Cite web | url =  http://portals.omg.org/dds/ | title = DDS Portal-Data Distribution Services |  website = portals.omg.org |  language = en-US | access-date = 2018-01-14}} </ref> [[ OPC  Unified  Architecture |    OPC   UA]], <ref> {{Cite  news | url =  https: // blogues.  microsoft. com/ iot/2016/06/23/ microsoft-introduces- new- open- source-cros- platform- opc- ua- support- for- the-industrial-internet- of- things/| title=Microsoft introduce novo  OPC  UA  multiplataforma de soporte aberto para a Internet industrial de cósalas - Internet das cousas | data = 2016-06-23 | traballo = Internet das cousas | data de acceso = 2017-10-13 | idioma = en- US} } </ref> e [[Web Application Messaging Protocol |  Web Application Messaging Protocol (WAMP)]].

== Descrición xeral ==
Un sistema MQTT consiste en clientes que se comunican cun servidor, a miúdo chamado "broker". Un cliente pode ser un publicador de información ou un subscritor. Cada cliente pode conectarse ao broker.

(contracted; show full)
* [https://thomasnordquist.github.io/MQTT-Explorer/MQTT-Explorer] é unha ferramenta gratuíta de integración e descubrimento de  MQTT para [[Microsoft  Windows |  Windows]], [[Linux]] e [[MacOS | Mac]]. Visualiza temas baseados ​​en xerarquía de temas.

== Notas ==
{{ Reflist | 30 em}}