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Developing Enterprise Web Services: An Architect's Guide by James Webber - Ph.D., Sandeep Chatterjee - Ph.D.

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System Functionality and Architecture

The basic functionality of our Enterprise Procurement System (EPS) application is to:

  • Provide a Web-based interface that allows users to browse a catalog of goods and services from which they can select a particular part number.

  • Provide a Web-based interface that allows users to enter a part number to be located, the desired quantity, and whether the user is interested in optimizing for cost (if a high-volume product is being built) or for lead time (if a prototype needs to be built rapidly).

  • Connect to the Web services of a set of vendors and use the entered part number, quantity, and optimization criteria (cost or lead time) to get a price or lead time quote.

  • Analyze the returned values from the vendor Web ...

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