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IoT and Edge Computing for Architects

You're reading from IoT and Edge Computing for Architects Implementing edge and IoT systems from sensors to clouds with communication systems, analytics, and security

Product type Paperback

Published in Mar 2020

Publisher Packt

ISBN-13 9781839214806

Length 632 pages

Edition 2nd Edition

Concepts

Edge Computing

Author (1):

Perry Lea

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Table of Contents (17) Chapters

Preface

1. IoT and Edge Computing Definition and Use Cases

2. IoT Architecture and Core IoT Modules FREE CHAPTER

3. Sensors, Endpoints, and Power Systems

4. Communications and Information Theory

5. Non-IP Based WPAN

6. IP-Based WPAN and WLAN

7. Long-Range Communication Systems and Protocols (WAN)

8. Edge Computing

9. Edge Routing and Networking

10. Edge to Cloud Protocols

11. Cloud and Fog Topologies

12. Data Analytics and Machine Learning in the Cloud and Edge

13. IoT and Edge Security

14. Consortiums and Communities

15. Other Books You May Enjoy

16. Index

Constraints of cloud architectures for IoT

A cloud service provider sits outside the IoT edge device and presides over the wide area network. One particular trait of the IoT architecture is that the PAN and WPAN devices may not be IP-compliant. Protocols such as Bluetooth Low Energy (BLE) and Zigbee are not IP-based, while everything on the WAN, including the cloud, is IP-based.

Thus, the role of the edge gateway is to perform that level of translation:

Figure 4: Latency effects in the cloud. Hard real-time response is critical in many IoT applications and forces processing to move closer to the endpoint device

Latency effect

Another effect is the latency and response time for events. As you get closer to the sensor, you enter the realm of hard real-time requirements. These systems are typically deeply embedded systems or microcontrollers that have latency set by real-world events. For example, a video camera is sensitive to the frame rate (typically 30...

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Authors (1)

Perry Lea

Perry Lea

Perry Lea has spent 21 years at Hewlett Packard as a distinguished technologist and chief architect. Then, he served as a member of technical staff and strategic director at Micron Technologies leading a team working on advanced computing devices. Currently, he is a technical director at Cradlepoint where he leads advancement and research in IoT and fog compute. Perry has degrees in computer science, computer engineering, and an EE degree from Columbia University. He is a senior member of IEEE and a senior member and distinguished speaker of ACM. He has 8 patents with 40 pending.

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