Peer-Assisted VoD Systems: An Efficient Modeling Framework (Articolo in rivista)

Type
Label
  • Peer-Assisted VoD Systems: An Efficient Modeling Framework (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1109/TPDS.2013.300 (literal)
Alternative label
  • Ciullo, Delia; Martina, Valentina; Garetto, Michele; Leonardi, Emilio; Torrisi, Giovanni Luca (2014)
    Peer-Assisted VoD Systems: An Efficient Modeling Framework
    in IEEE transactions on parallel and distributed systems (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Ciullo, Delia; Martina, Valentina; Garetto, Michele; Leonardi, Emilio; Torrisi, Giovanni Luca (literal)
Pagina inizio
  • 1852 (literal)
Pagina fine
  • 1863 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 25 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 12 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 7 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • EURECOM; Polytechnic University of Turin; University of Turin; Consiglio Nazionale delle Ricerche (CNR) (literal)
Titolo
  • Peer-Assisted VoD Systems: An Efficient Modeling Framework (literal)
Abstract
  • We analyze a peer-assisted Video-on-Demand (VoD) system in which users contribute their upload bandwidth to the redistribution of a video that they are downloading or that they have cached locally. Our target is to characterize the additional bandwidth that servers must supply to immediately satisfy all requests to watch a given video. We develop an approximate fluid model to compute the required server bandwidth in the sequential delivery case, as well as in controlled nonsequential swarms. Our approach is able to capture several stochastic effects related to peer churn, upload bandwidth heterogeneity, and nonstationary traffic conditions, which have not been documented or analyzed before. Finally, we provide important hints for the design of efficient peer-assisted VoD systems under server capacity constraints. (literal)
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