Point-to-Point Real-Time Communication Over a Backplane Bus

Abstract

This paper suggests two scheduling methods for a real-time point-topoint communication over a backplane bus which has limited priorities for the bus mastership. Fixed priority assignment(FPA) algorithm based on the rate monotonic scheduling is suggested for the periodic hard real-time applications. Dynamic priority assignment(DPA) algorithm based on the earliest deadline first scheduling is suggested for the sporadic soft real-time applications. The worst communication latency for the proposed methods is analyzed and then the schedulability is evaluated using computer simulation.