To many people, a device is a phone, smart watch, or tablet, but in a city context, the examples of devices exceed these. Devices are at the core of smart city solutions and therefore important to get a handle on. In this chapter, we will consider what a device is and how devices connect in distributed smart city solutions. This is what is typically referred to as the Internet of Things. We look at the challenges of managing thousands or even millions of devices and what it takes to secure them. We will also consider examples of how to build standards around the use of devices in a city context.
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