Scalability
AJAX is an asynchronous communication methodology that allows a single web page to communicate with the server multiple times. This allows the application to insert data into an existing page rather than reload all of the common page elements from the server. For most current web applications this is not the case. They usually load a complete web page for each user request regardless of how much content changes from page to page.
Server scalability becomes an issue in an AJAX application since the user will generally make more requests for data. The reason to move to AJAX is for speed and responsiveness. For an AJAX application to continue to be responsive as the number of concurrent users moves to the thousands, tens of thousands, ...
Get Oracle Database Ajax & PHP Web Application Development now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
