A tuple space implementation for large-scale infrastructures

Capizzi, Sirio (2008) A tuple space implementation for large-scale infrastructures, [Dissertation thesis], Alma Mater Studiorum Università di Bologna. Dottorato di ricerca in Informatica, 20 Ciclo. DOI 10.6092/unibo/amsdottorato/914.
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Coordinating activities in a distributed system is an open research topic. Several models have been proposed to achieve this purpose such as message passing, publish/subscribe, workflows or tuple spaces. We have focused on the latter model, trying to overcome some of its disadvantages. In particular we have applied spatial database techniques to tuple spaces in order to increase their performance when handling a large number of tuples. Moreover, we have studied how structured peer to peer approaches can be applied to better distribute tuples on large networks. Using some of these result, we have developed a tuple space implementation for the Globus Toolkit that can be used by Grid applications as a coordination service. The development of such a service has been quite challenging due to the limitations imposed by XML serialization that have heavily influenced its design. Nevertheless, we were able to complete its implementation and use it to implement two different types of test applications: a completely parallelizable one and a plasma simulation that is not completely parallelizable. Using this last application we have compared the performance of our service against MPI. Finally, we have developed and tested a simple workflow in order to show the versatility of our service.

Tipologia del documento
Tesi di dottorato
Capizzi, Sirio
Dottorato di ricerca
Settore disciplinare
Settore concorsuale
Parole chiave
coordinazione grid spazi di tuble
Data di discussione
28 Aprile 2008

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