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Ara es mostren els items 67-83 de 83

    • RAR: Risk aware revocation mechanism for vehicular networks 

      Hernández Gañán, Carlos; Muñoz Tapia, José Luis; Esparza Martín, Óscar; Mata Diaz, Jorge; Alins Delgado, Juan José; Silva Cárdenas, Carlos; Bartra Gardini, Gumercindo (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Vehicular Ad Hoc Networks (VANETs) require some mechanism to authenticate messages, identify valid vehicles, and remove misbehaving ones. A Public Key Infrastructure (PKI) can provide this functionality using digital ...

    • RAR: Un mecanismo "Risk-Aware" para redes vehiculares 

      Hernández Gañán, Carlos; Muñoz Tapia, José Luis; Hinarejos Campos, M. Francisca; Isern Deyà, Andreu; Alins Delgado, Juan José (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Las redes vehiculares requieren de alg ́ un meca- nismo para autenticar los mensajes, identificar a los veh ́ ıculos leg ́ ıtimos y sacar de la red aqu ́ ellos que no presenten un comportamiento adecuado. La ...

    • RDSR-V. Reliable dynamic source routing for video-streaming over mobile ad hoc networks 

      Muñoz Tapia, José Luis; Esparza Martín, Óscar; Aguilar Igartua, Mónica; Carrascal Frias, F. Javier; Forné Muñoz, Jorge (2010-01)
      Article
      Accés restringit per política de l'editorial
      Mobile ad hoc networks (MANETs) are infrastructureless networks formed by wireless mobile devices with limited battery life. In MANETs for civilian applications, the network nodes may not belong to a single authority and ...

    • RIAPPA: a robust identity assignment protocol for P2P overlays 

      Caubet Fernández, Juan; Esparza Martín, Óscar; Muñoz Tapia, José Luis; Alins Delgado, Juan José; Mata Diaz, Jorge (2014-12-01)
      Article
      Accés obert
      Peer-to-peer (P2P) overlay networks have been proposed to solve routing problems of big distributed infrastructures, even for Internet scale. But the research community has been questioning the security of these networks ...

    • Risk-based decision-making for public key infrastructures using fuzzy logic 

      Hernández Gañán, Carlos; Muñoz Tapia, José Luis; Esparza Martín, Óscar; Mata Diaz, Jorge; Alins Delgado, Juan José (2012-11-01)
      Article
      Accés restringit per política de l'editorial
      Public key infrastructures (PKIs) are complex systems that are responsible for giving users enough information to make reasonable trust judgments about one another. The validation of public keys is hence of great importance. ...

    • Secure handoffs for V2I communications in 802.11 networks 

      Hernández Gañán, Carlos; Reñé Vicente, Sergi; Muñoz Tapia, José Luis; Esparza Martín, Óscar; Mata Diaz, Jorge; Alins Delgado, Juan José (ACM Press. Association for Computing Machinery, 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Vehicular ad hoc networks (VANETs) are emerging as a novel paradigm for safety services, supporting real-time applications (e.g., video-streaming, Internet browsing, online gaming, etc.). However, maintaining ubiquitous ...

    • SERVEIS I APLICACIONS TELEMÀTIQUES (Examen 1r quadrimestre, 2n parcial) 

      Muñoz Tapia, José Luis (Universitat Politècnica de Catalunya, 2013-01-15)
      Examen
      Accés restringit a la comunitat UPC

    • Simtools: teaching networks with virtual scenarios 

      Alins Delgado, Juan José; Muñoz Tapia, José Luis; Mata Diaz, Jorge; Esparza Martín, Óscar (Universitat de les Illes Balears, 2015)
      Text en actes de congrés
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      In this paper we present simtools, a software to create virtual networks of UML machines which is based on UML and VNUML. Simtools allows easily building virtual scenarios, and it is a ...

    • Transmisión de vídeo H.264/AVC con control de tasa adaptativo en el servidor 

      Mata Diaz, Jorge; Solorzano, Edwin; Muñoz Tapia, José Luis; Hernández Serrano, Juan; Alins Delgado, Juan José; Esparza Martín, Óscar (2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper we describe a method for transmitting H.264/AVC encoded video. The data transfer is performed by adapting data transmission to network performance in order to ensure continuous transmission. The data transfer ...

    • Twisted edwards elliptic curves for zero-knowledge circuits 

      Ballés Muñoz, Marta; Whitehat, Barry; Baylina Melé, Jordi; Daza Fernández, Vanesa; Muñoz Tapia, José Luis (Multidisciplinary Digital Publishing Institute (MDPI), 2021-11-25)
      Article
      Accés obert
      Circuit-based zero-knowledge proofs have arose as a solution to the implementation of privacy in blockchain applications, and to current scalability problems that blockchains suffer from. The most efficient circuit-based ...

    • Utilizando certificados implícitos para asignar identidades en Overlays P2P 

      Caubet, Juan; Muñoz Tapia, José Luis; Esparza Martín, Óscar (Universidad de Alicante, 2014)
      Text en actes de congrés
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      Desde hace ños, la seguridad en las redes P2P estructuradas está siendo cuestionada, y por ello se han propuesto muchos trabajos con el objetivo de proporcionar enrutamiento seguro, sistemas de reputaci´on, control de ...

    • Vespa: emulating infotainment applications in vehicular networks 

      Reñé Vicente, Sergi; Alins Delgado, Juan José; Mata Diaz, Jorge; Hernández Gañan, Carlos; Muñoz Tapia, José Luis; Esparza Martín, Óscar (2014-07-01)
      Article
      Accés restringit per política de l'editorial
      The Vehicular Emulations Platform for Real Applications (Vespa) was developed to allow for experiments with many vehicles running real- world applications with real-time requirements in complex network scenarios. A use ...

    • VSPLIT: a cross-layer architecture for V2I TCP services over 802.11 

      Reñé Vicente, Sergi; Esparza Martín, Óscar; Alins Delgado, Juan José; Mata Diaz, Jorge; Muñoz Tapia, José Luis (2013-12)
      Article
      Accés restringit per política de l'editorial
      This article proposes VSPLIT, a new architecture based on TCP cross-layering and splitting techniques for optimizing the transport layer performance in vehicular networks for Internet-based Vehicle-to-Infrastructure (V2I) ...

    • XARXES DE COMUNICACIO I TELEMATICA (Examen 1r Quadr.) 

      Muñoz Tapia, José Luis (Universitat Politècnica de Catalunya, 2008-11-07)
      Examen
      Accés restringit a la comunitat UPC

    • XARXES DE COMUNICACIÓ TELEMÀTICA: XTC (1r control parcial) 

      Muñoz Tapia, José Luis (Universitat Politècnica de Catalunya, 2009-11-03)
      Examen
      Accés restringit a la comunitat UPC

    • XARXES DE COMUNICACIÓ TELEMÀTICA: XTC (Control final) 

      Muñoz Tapia, José Luis (Universitat Politècnica de Catalunya, 2010-01-13)
      Examen
      Accés restringit a la comunitat UPC

    • XPLIT: A cross-layer architecture for TCP services over DVB-S2/ETSI QoS BSM 

      Alins Delgado, Juan José; Mata Diaz, Jorge; Muñoz Tapia, José Luis; Rendón Morales, Elizabeth; Esparza Martín, Óscar (2012-01-12)
      Article
      Accés restringit per política de l'editorial
      This article proposes XPLIT, a new architecture based on TCP cross-layering and splitting for optimizing the transport layer performance in a DVB-S2 satellite link that employs the ETSI QoS Broadband Satellite Multimedia ...