Web Services
Although not specifically part of the J2EE specification, Web services support is now a prominent feature set of the WAS V5 product. We found that the WAS help documentation (InfoCenter) provides a concise description of what Web services are:
Web services are self-contained, modular applications that you can describe, publish, locate, and invoke over a network.
Web services could be weather reports or stock quotes. Transaction Web services supporting business-to-business (B2B) or business-to-client (B2C) operations could be airline reservations or purchase orders.
Web services reflect a new, service-oriented approach to programming, based on the idea of building applications by discovering and implementing network-available services ...
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