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ITU-T X.920 (12/1997)

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Information technology – Open Distributed Processing – Interface Definition Language
This Recommendation | International Standard specifies an Interface Definition Language (IDL) for specifications that comply with the computational language defined in the architecture of the ODP Reference Model (see ITU-T Rec. X.903 | ISO/IEC 10746-3). The IDL allows the description of object interfaces, together with their operations and associated parameters. It is completely aligned with the CORBA IDL developed by the Object Management Group (OMG).
Citation: https://handle.itu.int/11.1002/1000/4191
Series title: X series: Data networks, open system communications and security
  X.900-X.999: Open distributed processing
Approval date: 1997-12-12
Identical standard:ISO/IEC 14750:1999 (Common)
Provisional name:X.idl
Approval process:TAP
Status: In force
Maintenance responsibility: ITU-T Study Group 17
Further details: Patent statement(s)