Consiglio Nazionale delle Ricerche

Tipo di prodottoContributo in atti di convegno
TitoloTemporal Connectivity of Vehicular Networks: The Power of Store-Carry-and-Forward
Anno di pubblicazione2015
FormatoElettronico
Autore/iChristian Glacet; Marco Fiore; Marco Gramaglia
Affiliazioni autoriCNR-IEIIT, Torino, Italy; University Carlos III of Madrid, IMDEA Networks Institute
Autori CNR e affiliazioni
  • MARCO GRAMAGLIA
  • CHRISTIAN GLACET
  • MARCO FIORE
Lingua/e
  • inglese
AbstractStore-carry-and-forward is extensively used in vehicular environments for many and varied purposes, including routing, disseminating, downloading, uploading, or offloading delay-tolerant content. The performance gain of store-carry- and-forward over traditional connected forwarding is primarily determined by the fact that it grants a much improved network connectivity. Indeed, by letting vehicles physically carry data, store-carry-and-forward adds a temporal dimension to the (typically fragmented) instantaneous network topology that is employed by connected forwarding. Temporal connectivity has thus a important role in the operation of a wide range of vehicular network protocols. Still, our understanding of the dynamics of the temporal connectivity of vehicular networks is extremely limited. In this paper, we shed light on this underrated aspect of vehicular networking, by exploring a vast space of scenarios through an evolving graph-theoretical approach. Our results show that using store-carry-and-forward greatly increases connectivity, especially in very sparse networks. Moreover, using store-carry-and-forward mechanisms to share content within a geographically-bounded area can be very efficient, i.e., new entering vehicles can be reached rapidly.
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Verificato da refereeSì: Internazionale
Stato della pubblicazionePublished version
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Parole chiaveVehicular networks, connected vehicles, store-carry-and-forward, delay-tolerant networks, temporal connectivity
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Titolo convegno/congressoIEEE Vehicular Networking Conference (VNC)
Luogo convegno/congressoKyoyo, Japan
Data/e convegno/congresso12/2015
RilevanzaInternazionale
RelazioneContributo
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Strutture CNR
  • IEIIT — Istituto di elettronica e di ingegneria dell'informazione e delle telecomunicazioni
Moduli CNR
  • ICT.P07.006.001 : Reti wireless per il monitoraggio ambientale e info-mobilità
Progetti Europei
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