White Papers

Middleware Support for Aperiodic Tasks in Distributed Real-Time Systems

Tags: real-time, middleware, server, applications

Overview Many mission-critical distributed real-time applications must handle aperiodic tasks with end-to-end deadlines. However, existing middleware (e.g., RT-CORBA) lacks schedulability analysis and run-time enforcement mechanisms needed to give online real-time guarantees for aperiodic tasks. The primary contribution of this paper is the design, implementation, and performance evaluation of the first realization of deferrable server and admission control mechanisms for aperiodic tasks in middleware. Empirical results on a KURT-Linux testbed demonstrate the efficiency and effectiveness of the deferrable server and admission control mechanisms in TAO's federated event service.

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Publisher: Washington University in St. Louis
File Format: PDF
Date Published: Jan 3, 2009
Format: White Papers
Topics: Middleware, Programming Languages

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