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what is difference between Azure Internet of things suites and Internet of things hubs and its usage? Please Tell me basics of how .NET works in Internet of things. Thanks for the help!
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The difference between IoT hub and IoT central is that IoT is an application platform that simplifies the creation of Internet of Things solutions. IoT central helps to reduce the challenges of implementing IoT development, operations, and management. IoT Central is a fully managed Software as a Service solution.
Azure IoT Hub is a managed service hosted in the cloud that acts as a central message hub for communication between an IoT application and its attached devices. You can connect millions of devices and their backend solutions reliably and securely. Almost any device can be connected to an IoT hub.
The IoT Edge agent deploys and monitors the modules, while the IoT Edge hub is responsible for communication. Both the IoT Edge agent and the IoT Edge hub are modules, just like any other module running on an IoT Edge device. They're sometimes referred to as the runtime modules.
DocumentDB the Azure IoT Suite uses DocumentDB to manage the metadata about devices you provision, such as configuration, state and security properties of your devices. The semi-structured model allows you to easily combine different device types with different data schemas.
Azure IoT Suite is just an accelerator over IoT Hub. It provides complete applications using IoT Hub and other Azure services that you can customize. It can also be interesting as a learning tool since you get the source code for the Predictive Maintenance and the Remote Monitoring solutions.
You can of course build your own custom solution using IoT Hub and other Azure services.
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Looking at the documentation here: https://azure.microsoft.com/en-in/documentation/articles/iot-suite-overview/, what I gather is that Azure IoT Suite is actually a combination of many services and one of the services (albeit the most important one) is Azure IoT Hub.
To me, Azure IoT Hub solves just one part of the problem which is to provide device-to-cloud and cloud-to-device messaging capabilities and acting as the gateway to the cloud and the other key IoT Suite services. So essentially think of this service as the service which facilitates communication between devices and the cloud. There are other services in Azure IoT Hub which deals with what you do with the data once it comes in the cloud. Other services enable you to store data at scale, develop and present analytics on that data.
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