Describes the architecture for distributed object-oriented environments, focusing on CORBA and related Object Management Group (OMG) technologies. Introduces the OMG as an organization, details aspects of CORBA and IDL mapping, and explains Object Services, and the ODMG-93 object database standard. Devotes several chapters to commercially available products such as Hewlett-Packard's Distributed Smalltalk and DEC's ObjectBroker. For software developers. Annotation c. by Book News, Inc., Portland, Or.