The IDL That Isn't

by Martin Gudgin , Timothy Ewald January 16, 2002 When you listen to someone explaining Web Services, it's not unusual to hear WSDL compared to the Interface Definition Languages (IDLs) used by classic RPC mechanisms like DCE, ONC, CORBA, and COM. All of these technologies use IDL of one form or another to define contracts between components. In all of these cases, use of an IDL was the key to interoperability across language, process, and vendor boundaries. WSDL is exactly like the...n

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