This article describes telemetry – the technology of collecting and receiving data from remote sensors or data collection systems. The market is exploding with new telemetry systems in the form Internet of Things (IoT) devices and billions of devices are being deployed worldwide.
The term telemetry is used for technologies that measure and collect data from remote locations and transmit this data to receiving systems for monitoring and analysis. Traditional examples of telemetry are:
Telemetry provides the ability to access data from remote locations. Very often, these locations are difficult or expensive to get to and have limited access to power and physical networks.
The rise of IoT is bringing about a market revolution. One of the biggest use cases for IoT is connected devices and remote management and monitoring – or telemetry. Some of the technologies converging to drive IoT market growth include:
The IoT market is expected to be between $2.5 to $3.7 trillion worldwide.
The number of IoT devices deployed will be over 50 billion in the next couple years of the publication of this article (2019). And the use of telemetry technologies has grown exponentially from 1850 to today.
IoT devices communicate using several network protocols. IoT devices used for telemetry such as remote sensors have the following requirements:
IoT telemetry communications between the devices and the receiving system are performed by several protocols. Each protocol has benefits and flaws.
An IoT telemetry architecture includes the components shown below.
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CoAP – Constrained Application Protocol – https://en.wikipedia.org/wiki/Constrained_Application_Protocol
MQTT- M2M Internet of Things connectivity protocol – https://mqtt.org/
AWS IoT Core Features – https://aws.amazon.com/iot-core/features/
Internet of Things (IoT) technologies and solutions: PaaS and SaaS – https://learn.microsoft.com/en-us/azure/iot-fundamentals/iot-services-and-technologies
How much is growth in subscribers or locations going to cost you in the next 5 years for additional IPv4 addresses?