Basic HTML version of Foils prepared May 19 1999

Foil 9 Distributed Object/Service Models

From CORBA Common Object Request Broker Architecture Basic Information Track Computational Science Course CPS616 -- Spring Semester 1999. by Geoffrey Fox, Wojtek Furmanski, Nancy McCracken, Chao-Wei Ou, Shrideep Pallickara
CORBA provides a uniform distributed object model
Today we see a more complex distributed heterogeneous server (as proxy for service) model which we view as a 3 tier architecture on next foil
COM from Microsoft is a similar model largely focused on PC's with a richer (in terms of implemented objects) current implementation but a less elegant architecture
RMI from JavaSoft is cross platform distributed object model like CORBA but confined to one language (Java) whereas CORBA is multi-language and multi-platform

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