2002•Unpublished venueRequires access

Design and implementation of multi-threaded object request broker

Yue‐Shan Chang, Win‐Tsung Lo, Chii-Jet Wang, Shyan‐Ming Yuan, Deron Liang

Abstract

The distributed object oriented computing model is the next logical step to develop distributed applications. In recent years, several object models have been proposed, such as COM/DCOM, CORBA, and JAVA Bean etc. In CORBA, which was announced by OMG, object request broker is a software bus to connect applications and object components. In addition, multi threaded programming is a well known technique to improve the performance of applications. In a CORBA environment, clients can invoke the remote objects that are shared. If those objects are single threaded it will affect system performance in large distributed applications. We describe in detail the design and implementation of multi threaded object request broker based on CORBA. Our ORB was implemented atop Windows NT and underlying TCP protocol. Finally, we compare our system's performance with IONA's Orbix, which is a well known commercial product, in both one-way and two-way request.

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Key concepts: Common Object Request Broker Architecture, Interoperable Object Reference, Distributed Component Object Model, Computer science, Object request broker, Distributed object, Operating system, Java