IDL Specification Language

IDL (Interface Description Language) is a software interface description language (also referred to as Interface Descriptor Language) created by William Wulf and John Nestor of Carnegie Mellon University and David Lamb of Queen's University, Canada.

Like other interface description languages, IDL defined interfaces in a language- and machine- independent way, allowing the specification of interfaces between components written in different languages, and possibly executing on different machines using remote procedure calls.

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