Observing the User Experience: A Practitioners Guide to User Research

SRF files provide a great way for developers to separate the design task of page layout from the development task of implementing application logic. By allowing developers to mix static and dynamic content, and by providing a basic flow control and layout framework, SRF files make developing high-end Web applications easier than ever before.

By providing an extensible model, SRF files allow developers to add new functionality or modify the behavior of existing functionality in order to best meet their needs. The model provided is also lightweight and flexible, which makes it ideal for completing many tasks . These features also combine to make the SRF framework very useful as a starting point for many other projectsat its heart its just a very simple and efficient yet powerful text replacement system. Youll learn more about some of these advanced uses for SRF files later in the book.

Youll learn more about SRF files when you take a look at handlers in the next chapter. By looking at SRF files in the context of handlers, it should become clearer to you how the ATL Server model works, and how the code talks with the SRF file and vice versa.