The Australasian Conference on Parallel and Real-Time Systems is the premier event in this research area in the Pacific. This book is the proceedings of the 6th annual event held in Melbourne in November -December 1999. The primary aim of the conference is to bring together Australasian and International researchers, who are actively involved in research on parallel and real-time systems. The topic interest to the conference include: parallel architectures and algorithms, object-oriented real-time and parallel computing, Multimedia systems, mobile computing, heterogeneous systems, computing and distributed computing.