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

Introducing the HTTP protocol

The Hypertext Transfer Protocol, or HTTP, is one of the best known and most used internet protocols today. It was originally designed in 1989 by Tim Berners-Leeas a means to publish hypertext documents on a distributed set of servers, today called web servers. Clients, for example web browsers, would be able to fetch these documents using the HTTP protocol. Hyper, meaning beyond in the word hypertext, literally means beyond the text, signifying the possibility to link to other hypertext documents from within the text itself. These referenced documents may in turn reside on other servers. To achieve this, each document, or resource, is assigned a Uniform Resource Locator or URL. This URL is treated as a simple string but contains all the information the client needs to find and download the contents of the resource.

Resources on the web are not necessarily hypertext documents. They can be images, audio, video, binary applications, or more generally, any type of...