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Chapter 9. Web Services and ColdFusion C... > Defining Web Services and ColdFusion...

Defining Web Services and ColdFusion Components

A Web service is simply a nugget of application server functionality that is accessible over the Web using a standardized XML-based messaging system. For example, you may have created a dynamic page where visitors to your site can get current listings of the items you have in stock. You could package that same dynamic information as a Web service, allowing other Web sites (perhaps your many franchise outlets, or members of affiliate and frequent shopper programs) to provide their visitors with that same current information from your site. A few examples of popular Web services currently available include currency conversion tools, weather information, and traffic updates.

Tip

  • Popular sites such as Amazon.com are beginning to offer Web services to developers—that’s a good place to start learning about practical applications of Web services if you’re not sure what use to put them to on your own site.



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