Chapter 2. The HTTP Protocol

Now that we have a definition for Internet of Things, where do we start? It is safe to assume that most people that use a computer today have had an experience of Hypertext Transfer Protocol (HTTP), perhaps without even knowing it. When they "surf the Web", what they do is they navigate between pages using a browser that communicates with the server using HTTP. Some even go so far as identifying the Internet with the Web when they say they "go on the Internet" or "search the Internet".

Yet HTTP has become much more than navigation between pages on the Internet. Today, it is also used in machine to machine (M2M) communication, automation, and Internet of Things, among other things. So much is done on the Internet today, ...

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