By now, you know how to communicate with the server and how to load data or code asynchronously. What effect does this have on the architecture of your application? We are going to shift our attention from the details of asynchronous communication to a more abstract level where we are talking about overall web application architecture. After that, we'll make some remarks on how this can be implemented on the server. The actual examples of both client and server code will be given in the next section, where we discuss the travel blog site sample application.
In February 2005, when the term AJAX became known to the world via Jesse James Garret's article AJAX: A New Approach to Web Applications, (see for a reference the AJAX section, covered earlier in this chapter), web developers suddenly realized that it was possible to create web applications with the same interactive look-and-feel as desktop applications.
It was not new technology because all aspects of AJAX already...