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You are most likely referring to the common quote that Web services are
"self-contained, self-describing, modular applications that can be
published, located and invoked across the Web." Since most Web services
today are based on XML, they are inherently capable of describing their
operations and I/O requirements to interested parties. This allows client
software to dynamically determine what a service does, the data types that a
service uses, how to invoke operations on the service, and the responses
that the service may return. Since Web services are remotely executed, they
do not depend on resources residing on the client system that calls them.
This autonomous nature of Web services is the primary factor that has lead
to their being hyped as the new miracle of business-to-business connectivity
and enterprise application integration.
This was first published in May 2002
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