Ara es mostren els items 41-60 de 128

    • Community networks and sustainability: a survey of perceptions, practices, and proposed solutions 

      Micholia, Panagiota; Karaliopoulos, Merkouris; Koutsopoulos, Iordanis; Navarro Moldes, Leandro; Baig Viñas, Roger; Boucas, Dimitris; Michalis, Maria; Antoniadis, Panayiotis (Institute of Electrical and Electronics Engineers (IEEE), 2018-03-21)
      Article
      Accés obert
      Community network (CN) initiatives have been around for roughly two decades, evangelizing a distinctly different paradigm for building, maintaining, and sharing network infrastructure but also defending the basic human ...
    • Community sharing of spare network capacity 

      Dimogerontakis, Emmanouil; Meseguer Pallarès, Roc; Navarro Moldes, Leandro; Ochoa, Sergio; Veiga, Luis (IEEE Press, 2017)
      Text en actes de congrés
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      In several community scenarios, people share benevolently their spare broadband Internet access connectivity with other people who cannot afford it. Although laudable, this sharing process can negatively affect the service ...
    • Community-Lab: Overview and invitation to the research community 

      Navarro Moldes, Leandro; Escrich, Pau; Baig, Roger; Neumann, Axel (2012)
      Text en actes de congrés
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      Community-Lab is an open, distributed infrastructure for researchers to experiment with Community Networks, that are large scale, self-organized and decentralized networks and services built and operated by citizens for ...
    • Context awareness and uncertainty in collocated collaborative systems 

      Meseguer Pallarès, Roc; Damián-Reyes, Pedro; Favela Vara, Jesús; Navarro Moldes, Leandro (2009)
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      Context awareness is a necessary feature for mobile collocated collaborative learning. In this paper we describe how requirements for contextaware cooperative learning activities are derived from the jigsaw technique augmented ...
    • Context awareness for collaborative learning with uncertainty management 

      Meseguer Pallarès, Roc; Damián-Reyes, Pedro; Favela Vara, Jesús; Navarro Moldes, Leandro (2010-06-28)
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    • Contract networking for crowdsourced connectivity 

      Dimogerontakis, Emmanouil; Navarro Moldes, Leandro; Selimi, Mennan; Mosquera Dopico, Sergio; Freitag, Fèlix (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Text en actes de congrés
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      Universal connectivity is still unavailable or expensive for half of the global population, despite being critical for social participation. The deployment of crowdsourced networking infrastructures creates an opportunity ...
    • Coordinated detection of forwarding faults in wireless community networks 

      López, Ester; Navarro Moldes, Leandro (2018-05-01)
      Article
      Accés obert
      Wireless Community Networks (WCN) are crowdsourced networks where equipment is contributed and managed by members from a community. WCN have three intrinsic characteristics that make forwarding faults more likely: inexpensive ...
    • Decentralized resource allocation in application layer networks 

      Eymann, Torsten; Reinicke, Michael; Ardáiz Villanueva, Óscar; Artigas Vidal, Pau; Freitag, Fèlix; Navarro Moldes, Leandro (IEEE, 2003-05-12)
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      Application-layer networks (ALN) are software architectures that allow the provisioning of services requiring a huge amount of resources by connecting large numbers of individual computers. The ALN simulation project ...
    • Decentralized vs. centralized economic coordination of resource allocation in grids 

      Eymann, Torsten; Reinicke, Michael; Ardáiz Villanueva, Óscar; Artigas Vidal, Pau; Díaz de Cerio Ripalda, Luis Manuel; Freitag, Fèlix; Meseguer Pallarès, Roc; Navarro Moldes, Leandro; Royo Vallés, María Dolores; Sanjeevan, Kanapathipillai (Springer Verlag, 2003-02-13)
      Text en actes de congrés
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      Application layer networks are software architectures that allow the provisioning of services requiring a huge amount of resources by connecting large numbers of individual computers, like in Grid or Peer-to-Peer ...
    • Deploying clouds in the Guifi community network 

      Baig Viñas, Roger; Dowling, Jim; Escrich, Pau; Freitag, Fèlix; Meseguer Pallarès, Roc; Moll, Agustí; Navarro Moldes, Leandro; Pietrosemoli, Ermanno; Pueyo, Roger; Vlassov, Vladimir; Zennaro, Marco (Institute of Electrical and Electronics Engineers (IEEE), 2015)
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      This paper describes an operational geographically distributed and heterogeneous cloud infrastructure with services and applications deployed in the Guifi community network. The presented cloud is a particular case of a ...
    • Deploying PaaS for accelerating cloud uptake in the Guifi community network 

      Jiménez, Javi; Escrich, Pau; Baig Viñas, Roger; Freitag, Fèlix; Navarro Moldes, Leandro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
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      Community networks is an emerging model in which communities of citizens build and own open shared networks. But currently, cloud computing infrastructures, common in today's Internet, hardy exist in community networks. ...
    • Design trade-offs of crowdsourced web access in community networks 

      Dimogerontakis, Emmanouil; Meseguer Pallarès, Roc; Navarro Moldes, Leandro; Ochoa, Sergio; Veiga, Luis (2017)
      Text en actes de congrés
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      Internet access has become a requirement to participate in society; however, the majority of the world’s population is not yet online. Citizens can self-organize cooperatively to crowdsource community network infrastructures ...
    • DIMON: Distributed Monitoring System for decentralized edge clouds in Guifi.net 

      Pueyo Centelles, Roger; Selimi, Mennan; Freitag, Fèlix; Navarro Moldes, Leandro (Institute of Electrical and Electronics Engineers (IEEE), 2019)
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      Community-built telecommunication networks such as Guifi.net demonstrate how end users can actively collaborate in the self-provision of network services, for instance by operating a self-organized distributed monitoring ...
    • Enabling individually entrusted routing security for open and decentralized community networks 

      Neumann, Axel; Navarro Moldes, Leandro; Cerdà Alabern, Llorenç (Elsevier, 2018-10)
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      Routing in open and decentralized networks relies on cooperation. However, the participation of unknown nodes and node administrators pursuing heterogeneous trust and security goals is a challenge. Community-mesh networks ...
    • End user-managed service deployments in microclouds at the network edge 

      Freitag, Fèlix; Navarro Moldes, Leandro; Selimi, Mennan; Pueyo Centelles, Roger (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
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      Cloud computing is moving from data centers to the network edge. Edge computing introduces lightweight computing devices closer to where data are produced. Local processing enables faster response times for cloud-based ...
    • eReuse poster: the circular economy of digital devices 

      Navarro Moldes, Leandro; Roura Salietti, Mireya; Franquesa Griso, David; Meseguer Pallarès, Roc (Association for Computing Machinery (ACM), 2021)
      Comunicació de congrés
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      eReuse is an initiative and action-research project that since 2015 has iterated over research and activism to understand, develop, apply to communities, evaluate and scale-up the circular economy of digital devices. The ...
    • Evaluation of mesh routing protocols for wireless community networks 

      Neumann, Axel; López Berga, Ester; Navarro Moldes, Leandro (2015-12-24)
      Article
      Accés obert
      In recent years, we have witnessed the exponential growth of wireless community networks as a response to the clear necessity of Internet access for participation in society. For wireless mesh networks that can scale up ...
    • Experiencia de aprendizaje cooperativo con una herramienta de colaboración síncrona y ordenadores portátiles 

      Meseguer Pallarès, Roc; Díaz de Cerio Ripalda, Luis Manuel; Navarro Moldes, Leandro (J. Domingo, B. Giraldo, J. Armengol / ICE - Universitat Politècnica de Catalunya, 2004)
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    • Exploring the catallactic coordination approach for peer-to-peer systems 

      Ardáiz Villanueva, Óscar; Artigas Vidal, Pau; Eymann, Torsten; Freitag, Fèlix; Meseguer Pallarès, Roc; Navarro Moldes, Leandro; Reinicke, Michael (Springer Verlag, 2003)
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      Efficient discovery and resource allocation is one of the challenges of current Peer-to-Peer systems. In centralized approaches, the user requests can be matched to the fastest, cheapest or most available resource. This ...
    • Extending the scope of asynchronous collaboration: a matter of being autonomous and self-sufficient 

      Marquès Puig, Joan Manel; Navarro Moldes, Leandro; Daradoumis, Athanasios (IEEE, 2004-06)
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      Asynchronous collaborative applications and systems have to deal with complexities associated with interaction nature, idiosyncrasy of groups and technical and administrative issues. Inclusion of requirements derived from ...