15. Web Services and the REST Protocol
In this lesson you will learn the basics of web services and how to implement them using the REST (Representational State Transfer) protocol.
Introduction to Web Services
So far you have seen several example applications in which we have called server-side scripts to carry out tasks. In each case we devised data structures to transfer the information and written routines to handle data transfer both to and from the server.
Suppose, though, that you wanted to make your server-side programs more generally available. Perhaps you can imagine that several different web applications might interface with such scripts for their own purposes. As well as browsers requesting pages directly, perhaps other applications ...