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MQTT/AMQP design implications

If you’re working with embedded devices or telematics solutions, you might be hearing noise about a fairly new protocol called MQTT. It’s a relative newcomer to the network protocol world having been invented in 2009 and first published in the wild in 2010, it is roughly speaking to tcp based binary wire protocols what SPDY is to HTTP. At the ...

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Throttling MQTT Data

Introduction Most MQTT brokers currently available on the market provide native support for WebSockets, thus enabling any MQTT JavaScript library to establish communications by encapsulating MQTT messages into WebSocket frames: this is called MQTT Over WebSocket. The great benefit of this approach is to allow all modern browsers, including those running on smartphones, to send and receive MQTT messages. This has ...

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Apache Kafka & MQTT = End-to-End IoT Integration (Github Examples)

Kafka and MQTT are two complementary technologies. Together they allows to build IoT end-to-end integration from the edge to the data center. No matter if on premise or in the public cloud. I talk about this topic at Kafka Summit SF in San Francisco in October 2018: “Processing IoT Data from End to End with MQTT and Apache Kafka“. As ...

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How to build an IoT system using Arduino/ESP8266 mydevices Cayenne and MQTT

This article describes how to build an IoT system using Arduino/ESP8266  mydevices Cayenne and MQTT.  In more details, this IoT tutorial discovers how to use Arduino (or ESP8266) to send data to Cayenne using MQTT protocol. Moreover, this Arduino/ESP8266 MQTT project investigates how to use MQTT to control remote peripheral using a web interface. This is a complete step by step tutorial ...

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MQTT.fx 1.6.0 is released!

Here’s the latest MQTT.fx release: MQTT.fx 1.6.0!                     Support for Google Cloud IoT! A few weeks ago some guys from the Google IoT Team asked me to implement support for the all new Google Cloud IoT. And I am very happy to announce that MQTT.fx 1.6.0 is the first client to support Google ...

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MQTT Security: Securing Mosquitto Server

This post describes how to implement MQTT security. In more details, we will describe how to securing Mosquitto MQTT server. As you may already know MQTT is one of the most important protocols widely used in Internet of things and in Industrial Internet of things. MQTT is a lightweight messaging oriented protocol where MQTT client exchanges messages through an MQTT server ...

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Getting Started with MQTT and Java

java-interview-questions-answers

MQTT (MQ Telemetry Transport) is a lightweight publish/subscribe messaging protocol. MQTT is used a lot in the Internet of Things applications, since it has been designed to run on remote locations with system with small footprint. The MQTT 3.1 is an OASIS standard, and you can find all the information at http://mqtt.org/ This article will guide you into the various ...

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MQTT Protocol Tutorial

MQTT protocol is a Machine to Machine (M2M) protocol widely used in Internet of things. It is a message based protocol. It is extremely light-weight and for this reason, it is adopted in IoT ecosystem. Almost all IoT cloud platforms support MQTT protocol to send and receive data from smart objects. There are several implementations for different IoT boards like Arduino, ...

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SweetHomeHub: Home Control with Raspberry Pi and MQTT – Part 1

Since quite a long time I am working on my universal Raspberry Pi based Intertechno-Remote (see former posts 1 2 3 4): I tried different approaches to trigger/control my remote control service via a custom HTTPServer/-Handler and a simple Vert.x verticle. Since MQTT v3.1.1 turns out as on of the de-facto standard protocols for the IoT I also implemented an ...

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