In the world today there are millions of devices of different types generating an enormous amount of data. A large number of these devices are part of a larger IoT solution in which the devices are sending their data to the cloud for storage, processing, and analysis. At a high level, IoT solutions can be broken down into core essentials of device connectivity and data processing and analysis, as shown in Figure 3-1.
Figure 3-1. IoT solution core essentials
Device connectivity is simply ...