Ara es mostren els items 74-93 de 128

    • LaCOLLA: Middleware for self-sufficient online collaboration 

      Marquès Puig, Joan Manel; Vilajosana Guillen, Xavier; Daradoumis, Athanasios; Navarro Moldes, Leandro (IEEE, 2007-11)
      Article
      Accés obert
      The LaCOLLA middleware makes it possible for collaborators to interact using their own resources without depending on centralized regimes. By contributing their own resources, group members can organize and communicate ...
    • Leveraging deployment models on low-resource devices for cloud services in community networks 

      Silvestre Apolonia, Nuno Miguel; Freitag, Fèlix; Navarro Moldes, Leandro (2016-07)
      Article
      Accés obert
      Community networks are crowd-sourced IP networks that evolved into regional-scale computing platforms. This has led to adapting the cloud computing model for services that can operate and use computing resources inside a ...
    • Limits of energy saving for the allocation of data center resources to networked applications 

      León Gutiérrez, Xavier; Navarro Moldes, Leandro (2011)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Energy related costs are becoming one of the largest contributors to the overall cost of operating a data center, whereas the degree of data center utilization continues to be very low. Energy-aware dynamic provision of ...
    • Load and video performance patterns of a cloud based WebRTC architecture 

      Xhagjika, Vamis; Divorra Escoda, Oscar; Navarro Moldes, Leandro; Vlassov, Vladimir (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Comunicació de congrés
      Accés obert
      Web Real-Time Communication or Realtime communication in the Web (WebRTC/RTCWeb) is a prolific new standard and technology stack, providing full audio/video agnostic communications for the Web. Service providers implementing ...
    • LoRaMoto: a communication system to provide safety awareness among civilians after an earthquake 

      Pueyo Centelles, Roger; Meseguer Pallarès, Roc; Freitag, Fèlix; Navarro Moldes, Leandro; Ochoa, Sergio; Santos, Rodrigo (Elsevier, 2021-02)
      Article
      Accés obert
      Civilians in areas hit by earthquakes become in particular concerned about the safety of family and friends. However, outages in communications networks following these events limit their capacity to get information. So, ...
    • LoRaMoto: a LoRa-based communication system for coordinated response in an earthquake aftermath (excerpt) 

      Pueyo Centelles, Roger; Freitag, Fèlix; Meseguer Pallarès, Roc; Navarro Moldes, Leandro (2019-07-26)
      Report de recerca
      Accés obert
      Response of emergency units after natural disasters, such as earthquakes, has to be coordinated, fast and efficient in order to rescue and care for the victims, keeping all the population –and the units themselves– safe ...
    • Macro-economic regulation for workload redistribution in large-scale shared infrastructure 

      León Gutiérrez, Xavier; Navarro Moldes, Leandro (2010-06)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      In this paper we study the problem of large-scale resource congestion from the control and regulation point of view. Applications and services running in large-scale shared infrastructures like Grids or PlanetLab have di ...
    • Media streams allocation and load patterns for a WebRTC cloud architecture 

      Xhagjika, Vamis; Divorra Escoda, Oscar; Navarro Moldes, Leandro; Vlassov, Vladimir (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés obert
      Web Real-Time Communication (WebRTC) is seeing a rapid rise in adoption footprint. This standard provides an audio/video platform-agnostic communications framework for the Web build-in right in the browser. The complex ...
    • MeshDapp: Blockchain-enabled sustainable business models for networks 

      Dimogerontakis, Emmanouil; Navarro Moldes, Leandro; Selimi, Mennan; Mosquera Dopico, Sergio; Freitag, Fèlix (Springer, 2019)
      Text en actes de congrés
      Accés obert
      The digital world demands a network infrastructure to supply connectivity to any participant anywhere. Sustainable networks require balanced value flows. Value is connectivity delivered at a material and service cost to ...
    • MOCCA: an environment for CSCW applications. 

      Benford, Steve; Mariani, John A.; Navarro Moldes, Leandro; Prinz, Wolfgang; Rodden, Tom (Association for Computing Machinery, 1993)
      Text en actes de congrés
      Accés obert
      Our belief is that future, Computer Supported Cooperative Work will by necessity involve a heterogeneous collection of applications, paradigms and models and that no single system will meet all the requirements of all ...
    • Multicast injection for application network deployment. 

      Ardáiz Villanueva, Óscar; Freitag, Fèlix; Navarro Moldes, Leandro (IEEE, 2001)
      Text en actes de congrés
      Accés obert
      Introduction of new services on the Internet is a laborious, time-consuming task. Application networks, applications being serviced through multiple interconnected service nodes disseminated across the Internet for better ...
    • On distributed systems and CSCL. 

      Navarro Moldes, Leandro; Marquès Puig, Joan Manel; Freitag, Fèlix (IEEE, 2004-04)
      Text en actes de congrés
      Accés obert
      The design of distributed systems for collaborative work or learning requires that both humans and machines be organized such that the potential and limitations of the human-machine interdependence is optimized. Current ...
    • On edge microclouds to provide local container-based services 

      Baig Viñas, Roger; Pueyo Centelles, Roger; Freitag, Fèlix; Navarro Moldes, Leandro (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés obert
      Edge computing has been proposed to enable more user-centric cloud-based services. Nowadays, edge computing is operational in industrial and consumer-oriented scenarios. An important limitation of today's solutions, however, ...
    • On network flow management in virtualized environments 

      Rodríguez Haro, Fernando; Freitag, Fèlix; Navarro Moldes, Leandro; Farías Mendoza, Nicandro; Guerrero Ibáñez, Juan Antonio (2009-11)
      Text en actes de congrés
      Accés obert
      Virtualization has enabled the use of virtual machine (VM) based resource providers to offer computing power as a service. However, one important feature is to have certainty about the planed or expected performance of the ...
    • On the Guifi.net community network economics 

      Cerdà Alabern, Llorenç; Baig Viñas, Roger; Navarro Moldes, Leandro (2020-02-26)
      Article
      Accés obert
      How costs are distributed among the participants is a key question in the management and viability of shared resources. Although all cost-sharing mechanisms are subjective and thus it is eventually up to the participants ...
    • On the sustainability of community clouds in guifi.net 

      Baig Viñas, Roger; Freitag, Fèlix; Navarro Moldes, Leandro (Springer, 2015)
      Text en actes de congrés
      Accés obert
      The Internet and cloud services are key enablers for participation in society. The need for Internet access in areas underserved by commercial telecom operators has often been a motivation to develop community networks. Many ...
    • Open CSCW systems: will ODP help? 

      Navarro Moldes, Leandro; Prinz, Wolfgang; Rodden, Tom (IEEE, 1992-06-09)
      Text en actes de congrés
      Accés obert
      This paper is concerned with the role of Open Distributed Processing systems within the development of cooperative systems. In particular, we focus on the need to provide Open CSCW systems and their impact on distributed ...
    • P2P architecture for scientific collaboration. 

      Mitre Silva, José; Navarro Moldes, Leandro (IEEE, 2004)
      Text en actes de congrés
      Accés obert
      P2P networks are often associated with file exchange applications among private users. However, their features make them suitable for other uses. In this paper we present a P2P architecture for scientific collaboration ...
    • Performance measuring framework for grid market middleware 

      Freitag, Fèlix; Chacín Martínez, Pablo; Chao, Isaac; Brunner, René; Navarro Moldes, Leandro; Ardáiz Villanueva, Óscar (Springer, 2007)
      Comunicació de congrés
      Accés obert
      Current implementations of Grid infrastructures provide frameworks which aim at achieve on-demand computing. In such a scenario, contribution and use of resources will be governed by business models. The challenge is to ...
    • PiCasso: enabling information-centric multi-tenancy at the edge of community mesh networks 

      Selimi, Mennan; Lertsinsrubtavee, Adisorn; Sathiaseelan, Arjuna; Cerdà Alabern, Llorenç; Navarro Moldes, Leandro (2019-12-09)
      Article
      Accés obert
      Edge computing is radically shaping the way Internet services are run by enabling computations to be available close to the users - thus mitigating the latency and performance challenges faced in today’s Internet infrastructure. ...