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Internet of Things for Architects

You're reading from  Internet of Things for Architects

Product type Book
Published in Jan 2018
Publisher Packt
ISBN-13 9781788470599
Pages 524 pages
Edition 1st Edition
Languages
Author (1):
Perry Lea Perry Lea
Profile icon Perry Lea
Toc

Table of Contents (18) Chapters close

Title Page
Packt Upsell
Contributors
Preface
1. The IoT Story 2. IoT Architecture and Core IoT Modules 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. Routers and Gateways 9. IoT Edge to Cloud Protocols 10. Cloud and Fog Topologies 11. Data Analytics and Machine Learning in the Cloud and in the Fog 12. IoT Security 13. Consortiums and Communities 1. Other Books You May Enjoy

Protocols


A natural question is, why are there any protocols outside of HTTP to transport data across the WAN? HTTP has provided significant services and abilities for the internet for over 20 years, yet was designed and architected for general purpose computing in client/server models. IoT devices can be very constrained, remote, and bandwidth limited. Therefore, more efficient, secure, and scalable protocols are necessary to manage a plethora of devices in various network topologies such as mesh networks.  

In transporting data to the internet, designs are relegated to the TCP/IP foundation layers. TCP and UDP protocols are the obvious and only choice in data communication with TCP being significantly more complex in its implementation than UDP (being a multicast protocol). UDP, however, does not have the stability and reliability of TCP, forcing some designs to compensate by adding resiliency in the application layers above UDP. 

Many of the protocols listed in this chapter are Message...

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