What Are Web Services Used For?
Web Services are designed to allow applications of all kinds to communicate despite their many differences in design and runtime environments. Web Services have an added feature in that larger Web Services can be built from smaller ones. If one Web Service returns tomorrow's weather given a ZIP Code and another Web Service returns fashion tips based on the weather, a third Web Service could then call the other two and provide fashion tips when given a ZIP Code. It could also provide value by searching for the best prices for its fashion recommendations—perhaps by invoking another Web Service. Each of these Web Services might invoke code running on a mainframe, a Unix machine, or a Windows machine. It really doesn't ...
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