An Efficient Data Layout Scheme for Multi-Disks Continuous Media Servers
Multimedia Tools and Applications
A placement strategy of multimedia objects in multimedia information systems
Journal of Systems and Software
The VLDB Journal — The International Journal on Very Large Data Bases
Data Placement Scheme on Continuous Media Servers with ZBR Disks
ITCC '00 Proceedings of the The International Conference on Information Technology: Coding and Computing (ITCC'00)
On the Guaranteed Throughput of Multizone Disks
IEEE Transactions on Computers
Transmission of layered video streaming via multi-path on ad hoc networks
Multimedia Tools and Applications
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Of late, a zoning technique has been applied on modern disks to increase their capacities. As a result, a disk is partitioned into several zones with various sectors/track ratios. Another effect of disk zoning is that disks have higher transfer rates (bandwidths) on outer zones than on inner zones due to the disks spinning at a constant angular velocity. A compensatory region-based data placement is proposed to efficiently utilize the disk bandwidths of zoned-disks. Due to the same reading time of a data block, more data can be read on the outer zones to compensate for the insufficient read on the inner zones, which can significantly improve the disk throughput. From the simulation results and the performance evaluation of the prototype, the disk throughput can be promoted by 25%-35% compared with that of the original region-based data placement scheme. In addition, a frame converting strategy is designed to reconstruct the video data. With the frame converting technique, the proposed scheme can facilitate the interactive operations of video playout for video servers