Common Object Request Broker Architecture

<standard, programming> (CORBA) An Object Management Group specification which provides a standard messaging interface between distributed objects.

The original CORBA specification (1.1) has been revised through version 2 (CORBA 2) with the latest specification being version 3 (CORBA 3).

In its most basic form CORBA consists of the Interface Definition Language (IDL) and the Dynamic Invocation Interface (DII).

The IDL definition is complied into a Stub (client) and Skeleton (server) component that communicate through an Object Request Broker (ORB).

When an ORB determines that a request is to a remote object, it may execute the request by communicating with the remote ORB.

The Corba IDL can be mapped to a number of languages including C, C++, Java, COBOL, Smalltalk, Ada, Lisp, Python, and IDLscript.

CORBA ORBs are widely available for a number of platforms.

The OMG standard for inter-ORB communication is IIOP, this ensures that all CORBA 2 compliant ORBS are able to interoperate.

See also COSS, Component Object Model, RMI.

OMG CORBA site (

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Common Management Information Protocol
Common Management Information Services
Common Object File Format
Common Object Model
Interface Definition Language
Object Management Group
Common Objects
Common Program Interface
Common User Access
Commonwealth Hackish
Communicating Functional Processes