http://www.cnr.it/ontology/cnr/individuo/prodotto/ID139041
Advanced satellite infrastructures in future global grid computing: network solutions to compensate delivery delay (Contributo in volume (capitolo o saggio))
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- Advanced satellite infrastructures in future global grid computing: network solutions to compensate delivery delay (Contributo in volume (capitolo o saggio)) (literal)
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- 2009-01-01T00:00:00+01:00 (literal)
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Bonito A. B.; Gotta A.; Secchi R. (2009)
Advanced satellite infrastructures in future global grid computing: network solutions to compensate delivery delay
Springer, New York, USA, 2009
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- Bonito A. B.; Gotta A.; Secchi R. (literal)
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- In: Grid Enabled Remote Instrumentation. pp. 147 - 160. Davoli F., Meyer N., Pugliese R., Zappatore S (eds.). New York, USA: Springer, 2009. (literal)
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- Scientific equipment in remote locations may be integrated in a Grid network by means of satellite links. When the Grid is an Internet overlay network, TCP- like congestion control protocols tend to introduce large delays and to achieve poor bandwidth utilization during the startup phase due to the large bandwidth- delay product of the satellite link. Recent studies demonstrate that the loss of performance is high when a demand assignment multiple access (DAMA) scheme is adopted to manage satellite resources. To overcome this problem, we propose a new mechanism based on Quick Start, a recent IETF recommendation, to enhance the startup performance of data and streaming flows. We show, by means of extensive simulations, that our modifications to enable a QS based DAMA algorithm allow the initial end-to-end delay to be significantly reduced and the queue length in transmitting nodes stabilized. Moreover, our results point out that the startup delay is quite independent of the flow rate, w (literal)
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- Titolo
- Advanced satellite infrastructures in future global grid computing: network solutions to compensate delivery delay (literal)
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- Grid Enabled Remote Instrumentation (literal)
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