Book Image

IoT and Edge Computing for Architects - Second Edition

By : Perry Lea
Book Image

IoT and Edge Computing for Architects - Second Edition

By: Perry Lea

Overview of this book

Industries are embracing IoT technologies to improve operational expenses, product life, and people's well-being. An architectural guide is needed if you want to traverse the spectrum of technologies needed to build a successful IoT system, whether that's a single device or millions of IoT devices. IoT and Edge Computing for Architects, Second Edition encompasses the entire spectrum of IoT solutions, from IoT sensors to the cloud. It examines modern sensor systems, focusing on their power and functionality. It also looks at communication theory, paying close attention to near-range PAN, including the new Bluetooth® 5.0 specification and mesh networks. Then, the book explores IP-based communication in LAN and WAN, including 802.11ah, 5G LTE cellular, Sigfox, and LoRaWAN. It also explains edge computing, routing and gateways, and their role in fog computing, as well as the messaging protocols of MQTT 5.0 and CoAP. With the data now in internet form, you'll get an understanding of cloud and fog architectures, including the OpenFog standards. The book wraps up the analytics portion with the application of statistical analysis, complex event processing, and deep learning models. The book then concludes by providing a holistic view of IoT security, cryptography, and shell security in addition to software-defined perimeters and blockchains.
Table of Contents (17 chapters)
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Energy sources and power management

Because sensors and edge devices number in the billions and will be used in very remote areas, delivering reliable power becomes a challenge. Furthermore, there will be IoT deployments where sensors will be buried undersea, or embedded into concrete infrastructures, further complicating power sources. In this section, we will explore the concepts of energy harvesting and power management. Both are very important concepts in the overall IoT story.

Power management

Managing power is a very broad topic and spans software and hardware. It is important to understand the role of power management in a successful IoT deployment, and how to manage power efficiently for remote devices and long-lived devices. The architect must build a power budget for the edge device, which includes:

  • Active sensor power
  • Frequency of data collection
  • Wireless radio communication strength and power
  • Frequency of communication
  • ...