Implementing Dynamic Load Distribution Strategies with Orbix.
Thomas Schnekenburger, Günther Rackl · 1997
This paper proposes and evaluates various dynamic load distribution strategies for CORBA applications. A general application model for CORBA applications based on the Exporter /Importer/Trader model is introduced. For this model, techniques for the integration of load distribution strategies are shown. To evaluate the performance of the proposed strategies, a generic test system using IONA's Orbix is developed. The results obtained from the performance tests show that substantial performance benefits can be achieved by integrating suitable load distribution strategies into CORBA applications. Keywords: dynamic load distribution, migration, trading, Orbix, CORBA 1 Introduction CORBA [4] is currently the most important commercial programming standard for distributed systems. In contrast to academic platforms for parallel computing in distributed systems such as PVM [9] and Linda [2], CORBA defines several basic services [5] (such as for example a naming service, persistent object servic...