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779 Promote-IT: An efficient Real-Time Tertiary-Storage Scheduler
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Lijding, M.E.M. and Jansen, P.G. and Mullender, S.J. (2004) Promote-IT: An efficient Real-Time Tertiary-Storage Scheduler. In: 21st IEEE Conf. on Mass Storage Systems and Technologies (MSST), College Park, Maryland. pp. 245-260. NASA.

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Official URL: http://romulus.gsfc.nasa.gov/msst/conf2004/Papers/MSST2004-29-Lijding-a.pdf

Abstract

Promote-IT is an efficient heuristic scheduler that provides QoS guarantees for accessing data from tertiary storage. It can deal with a wide variety of requests and jukebox hardware. It provides short response and confirmation times, and makes good use of the jukebox resources. It separates the scheduling and dispatching functionality and effectively uses this separation to dispatch tasks earlier than scheduled, provided that the resource constraints are respected and no task misses its deadline. To prove the efficiency of Promote-IT we implemented alternative schedulers based on different scheduling models and scheduling paradigms. The evaluation shows that Promote-IT performs better than the other heuristic schedulers. Additionally, Promote-IT provides response-times near the optimum in cases where the optimal scheduler can be computed.

Item Type:Conference or Workshop Paper (Proceedings UNSPECIFIED, Presentation Type UNSPECIFIED)
Research Group:EWI-DIES: Distributed and Embedded Security
Research Program:CTIT-UBRICKS: Building Blocks for Ubiquitous Computing and Communication
Research Project:@HA: @ Home Anywhere
Additional Information:Imported from DIES
ID Code:779
Status:Published
Deposited On:12 December 2005
Refereed:Yes
International:Yes
More Information:statistics

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