What is MQTT Broker and How it works - FAQ

Our CrystalMQ broker supports MQTT protocol version, 3.1, 3.1.1 & 5.

MQTT Broker is the central server connected to the internet. MQTT devices needs the central MQTT message broker to communicate each other. The MQTT Broker is primarily responsible for receiving all messages from publisher clients and publishing messages to the subscriber clients at the subscribed MQTT topic.

CrystalMQ Broker is built using C at the core level which can scale up to 30 to 40,000 client connections in a single commodity server. In addition it supports proper clustering and it is designed for ambitiously big deployments. The high availability mode of MQTT Broker using High availability server which prevents failure for MQTT communication. Our IoT platform which is a complete SaaS based Framework targeting large scale multi tenancy has High availability built inside it.

Like any other internet protocol, MQTT is based on clients and server. The broker handles the MQTT client’s requests of receiving or sending data between each other. The clients that connects to the broker are publishing & subscribing to topics. The broker handles publishing / subscribing actions to the target topics.

Inter broker links are not a part of official mqtt spec, so they can be meshed with any protocol.

You can add a new virtual client through the user interface. You can refer help documentation for further details.

MQTT spec defines security with TLS and the MQTT authentication. MQTT Broker defines the access levels over the authentication. Our CrystalMQ Broker has the most powerful and flexible security options. It works with all standard SSL / TLS certificate for secure data flow. It provides option to create individual and highly secure authentication keys (username and password for each devices).

MQTT Broker stores the data into database. Most MQTT Brokers don’t provide any built-in mechanism to save MQTT data into database. But MQTT broker stores stateful data in MySQL & payloads in Elastic search by default.

Yes. MQTT broker provides option to store the data in any of your analytics / Big data engines such as MySQL, SQLite, MSSQL, Elastic search , MongoDB , Redis through custom storage module.

MQTT data can be visualized by sending the data to the data visualization tool. MQTT broker stores data to any analytics / big data engine via custom implementation for better data visualization. MQTT Broker Tableau integration will help you store all your data in the format you needed into the Tableau for a perfect data analysis.

Yes. Our CrystalMQ broker provides customizable user interface to display your data as required for your use case. You can add your own widgets to the user interface based on the data.

Our CrystalMQ broker is the light weight middle ware which is perfect for IoT application. It works with all standard MQTT clients and at the same time it can be customized to store data to any back end big data engine or application. Unlike other open source MQTT Brokers, it has a ready to use connectors to customize.

Yes. A broker can be hosted on any private network or any cloud servers like Amazon EC2 , Microsoft Azure, GCP , Rackspace, or Digital Ocean.

Our CrystalMQ Broker supports windows versions such as Windows 7, Windows 8, 8.1 & Windows 10 & Windows Server 2012 & 2016. To install our Crystal MQ Broker in windows read help .

C:\Program Files\Bevywise\MQTTRoute\bin>runbroker.bat [MQTTROUTE]19:05:2021 12:25:43 – Bevywise MQTTRoute 3.2 – build 0421-029 Traceback (most recent call last): File “Broker.py”, line 3, in < module> . . . File “logging_init.py”, line 1008, in init File “logging_init_.py”, line 1037, in _open PermissionError: [Errno 13] Permission denied: ‘C:\\Program Files\\Bevywise\\MQTTRoute\\bin\\broker.log’ [8712] Failed to execute script Broker If you get above mentioned error, run the MQTT Broker as administrator in windows. .

Our CrystalMQ Broker supports Linux. To install CrystalMQ Broker in ubuntu read help .

Our CrystalMQ broker can be configured using the broker.conf file inside the conf folder. For more details read help .

Using Task Scheduler, you can run Broker as a service to achieve 99.99% uptime. To start MQTT Broker as a service read help .

Yes. MQTT broker can be dockerized and easily managed. You can run it as an independent docker or can be controlled via kubernettes alone with your other applications as needed.

MQTTServer is an extendable MQTT Platform where you can write your own extension to analyse the data processed by the MQTTServer. You can write your own rule engine to make decisions. MQTT broker is ready to use and can run on a single machine and can allow client connections based on the machine configuraiton.

The MQTT Server is horizontally scalable framework. You can add as many mqtt processing brokers in parallel to scale based on the number of clients you want to connect.

Yes, you can host different components of the MQTT server in different VMs for better performance.

Yes, MQTT server keeps the mqtt messages received from the different clients. You can write your own extension to read and process the data queue.

Yes, there is a separate package available in MQTTServer . You can use it when you need.

Yes, You can view the client details in the browser.

You can customize anything you want based on the business need. The broker core and the distribution engine are the core components.