Common Object Request Broker Architecture

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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.

Latest version: Corba 3.0.3 2004-03-12, as of 2007-09-04.

See also COSS, Component Object Model, RMI.

OMG CORBA specs.
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A specification extending the CORBA Component Model (CCM) with interfaces to control real-time Quality of Service (QoS) completed its member evaluation and started the sequence of votes leading to formal adoption.
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Using the Lightweight CORBA Component Model to Develop Distributed Real-time and Embedded Applications, by Douglas C.