AWS Administration - The Definitive Guide - Second Edition

Getting started with AWS IoT Core

With a brief understanding of the AWS IoT suite of services covered, we can now dive deep into the world of the AWS IoT Core! However, before we get started with some actual hands-on projects, here is a quick look at some important AWS IoT Core concepts and terminologies:

The AWS IoT Core service provides bidirectional communication between devices and the AWS cloud, using a set of components described in the following list:

• Device gateway: This provides a secure mechanism for the IoT device to communicate with the AWS IoT service.
• Device shadow: A device shadow is a persistent representation of your IoT device on the cloud. A JSON-based document stores the current state of your device, which you can use ...