Chapter 7
Internet of Things (IoT)
Before we can begin to see the importance of the Internet of Things (IoT), it is first necessary to understand the differences between the Internet and the World Wide Web (or Web)—terms that are often used interchangeably. The Internet is the physical layer or network made up of switches, routers, and other equipment. Its primary function is to transport information from one point to another quickly, reliably, and securely. The Web, on the other hand, is an application layer that operates on top of the Internet. Its primary role is to provide an interface that makes the information flowing across the Internet usable.
By comparison, the Internet has been on a steady path of development and improvement, but ...
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