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AJAX: "XML for Client-Side Computing" by Nexaweb's Coach Wei
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04/06/2006, By Coach Wei
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XML is a simple, flexible text format initially designed for large-scale electronic publishing. It is flexible, open, and human-readable, and can be learned easily. XML can also be generated, parsed, analyzed, and transformed easily. It's no wonder that XML has been widely used for server-side computing: J2EE, .NET, and Web services.
However, we have not seen significant use of XML on the client side to date. When we write client-side code, we are likely using HTML/DHTML for browser-based applications, Win32 for Windows desktop applications, and Java Swing/J2ME for Java applications.
The truth of the matter is that XML makes a lot of sense for client-side computing. The difference between client-side computing and server-side computing is that the former is more concerned with user presentation and interaction while the latter is more concerned with business logic and data access. XML has proven to be an effective tool at both the business logic layer and data layer. It is also a great solution to the challenges at the user interface (UI) layer. Two UI layer challenges stand to benefit most obviously from the use of XML.
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