Ing-Jye Shyu

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Fault tolerance is an important design criterion for reliable and robust video-on-demand systems. Conventional fault-tolerant designs use either a primary backup or an active replication method to provide system fault tolerance. However, these approaches suffer from low utilization of the backup or replication system. In this paper we propose two(More)
Operating systems employ virtual memory mechanism to provide large address space for programs. The efficiency of the virtual address translation plays an important role in determining system performance. In conventional virtual memory management systems, both the forward-mapped page table scheme and inverted page table scheme are widely used to organize the(More)
Recent technology advances have made multimedia on-demand services feasible. One of the challenges is to provide fault-tolerant capability at system level for a practical video-on-demand system. The main concern on providing fault recovery is to minimize the consumption of system resources on the surviving servers in the event of server failure. In order to(More)
This letter presents a new code sequence for dispatching playback jobs among distributed video-on-demand servers. The dispatch accordingly has the property of evenly distributing workload among all servers and balancing recovery load on surviving servers if one of the servers fails. In this letter we give an O((n 1)!) algorithm for efficiently finding a(More)
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