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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

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Product type Paperback
Published in Mar 2020
Publisher Packt
ISBN-13 9781839214806
Length 632 pages
Edition 2nd Edition
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Author (1):
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Perry Lea Perry Lea
Author Profile Icon Perry Lea
Perry Lea
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Table of Contents (17) Chapters Close

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

TCP/IP network functions at the edge

Routing refers to the steering of data between multiple clients and networks. For this discussion, we will examine TCP/IP based routing and its applicability on the edge.

Routing functions

The basic function of a router is to bridge connections between network segments. Routing is considered a layer-three function of the OSI standard model because it makes use of the IP address layer to guide packet movement. Essentially, all routers rely on a routing table to guide the flow of data. The routing table is used to find the best match to a packet's destination IP address.

There are several proven algorithms used for efficient routing. One type of routing is dynamic routing, where the algorithms react to changes in the network and topology. Information about the state of the network is shared through a routing protocol on a timed basis or upon a triggered update. Examples of dynamic routing are distance-vector routing and link...

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