Book Image

Mastering Internet of Things

By : Peter Waher
Book Image

Mastering Internet of Things

By: Peter Waher

Overview of this book

The Internet of Things (IoT) is the fastest growing technology market. Industries are embracing IoT technologies to improve operational expenses, product life, and people's well-being. Mastering Internet of Things starts by presenting IoT fundamentals and the smart city. You will learn the important technologies and protocols that are used for the Internet of Things, their features, corresponding security implications, and practical examples on how to use them. This book focuses on creating applications and services for the Internet of Things. Further, you will learn to create applications and services for the Internet of Things. You will be discover various interesting projects and understand how to publish sensor data, control devices, and react to asynchronous events using the XMPP protocol. The book also introduces chat, to interact with your devices. You will learn how to automate your tasks by using Internet of Things Service Platforms as the base for an application. You will understand the subject of privacy, requirements they should be familiar with, and how to avoid violating any of the important new regulations being introduced. At the end of the book, you will have mastered creating open, interoperable and secure networks of things, protecting the privacy and integrity of your users and their information.
Table of Contents (24 chapters)
Title Page
Copyright and Credits
Packt Upsell

Creating a controller

We are now ready to create our controller application. This controller application will register itself with any available thing registry published by its broker, using the same method presented earlier. It will then use the same registry to find our sensor and actuator, by searching for the corresponding conceptual identities of both, limited to the same geographical information the controller has. In this way, we can automatically detect devices in our vicinity, regardless of how many instances of the sensor and actuator applications there are registered in the registry.

Identifying things

While we have worked with standalone things (each one identified using a single XMPP address called a JID), generic things on the XMPP network, as registered in a Thing Registry, can be addressed using one, two, three, or four parameters, depending on the size of the host publishing the interface to the thing:


XMPP address of device.

Node ID

Address of virtual node inside device.