Building Efficient Data Planner for Peta-scale Science

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F10%3A00176609" target="_blank" >RIV/68407700:21340/10:00176609 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Building Efficient Data Planner for Peta-scale Science
Original language description
Distributed computing, heavily relying on the presence of data at the proper place and time, have further raised demands for coordination of data movement on the road towards achieving high performance. Although there exist several sophisticated and efficient point-to-point data transfer tools, the lack of global planners and decision makers, answering questions such as ``How and from which sources to bring the required dataset to the user?'', is for most part lacking. We present our work and status ofthe development of an automated data planning, ensuring fairness and efficiency of data movement by focusing on the minimal time to realize data movement (delegating the data transfer itself to existing transfer tools). Its principal keystones are self-adaptation to the network/service alteration, optimal selection of transfer channels, bottlenecks avoidance and user fair-share preservation. The planning mechanism relies on Constraint Programming and Mixed Integer Programming techniques.
Czech name
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Czech description
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Publication year
2010
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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