Now showing items 21-40 of 354

  • A Proposal for Inter-domain QoS Rounting Based on Distributed Overlay Entities and QBGP 

    Yannuzzi, Marcelo; Fonte, Alexandre; Masip Bruin, Xavier; Monteiro, Edmundo; Sánchez López, Sergio; Curado, Marilia; Domingo Pascual, Jordi (2004-09)
    Article
    Open Access
    This paper proposes a novel and incremental approach to Inter-Domain QoS Routing. Our approach is to provide a completely distributed Overlay Architecture and a routing layer for dynamic QoS provisioning, and to use QoS ...
  • A Proposal of modification in Thorup Zwick Routing algorithm for future Internet 

    Bathla, Yatish (Universitat Politècnica de Catalunya, 2012-07-23)
    Master thesis
    Open Access
    [ANGLÈS] The Thorup and Zwick routing scheme (usually referred as TZ scheme) is a very well-known compact routing scheme which aims at reducing the scalability problem of routing in Internet. In this work, we propose a ...
  • Aproximación de los conceptos de redes de Protocolos de Internet mediante la gamificación 

    Fernández Mañas, Francisco (Universitat Politècnica de Catalunya, 2019-04)
    Bachelor thesis
    Open Access
    Este TFG pretende aplicar la técnica de gamificación a los conceptos de las clases prácticas de Redes de computación y Protocolos de Internet, elaborando un prototipo.
  • A proxy design to leverage the interconnection of CoAP wireless sensor networks with web applications 

    Ludovici, Alessandro; Calveras Augé, Anna M. (2015-01-09)
    Article
    Open Access
    In this paper, we present the design of a Constrained Application Protocol (CoAP) proxy able to interconnect Web applications based on Hypertext Transfer Protocol (HTTP) and WebSocket with CoAP based Wireless Sensor Networks. ...
  • A quantitative evaluation of reordering in OBS networks and its impact on TCP performance 

    Perelló Muntan, Jordi; Gunreben, Sebastian; Spadaro, Salvatore (IEEE, 2008)
    Conference report
    Open Access
    This paper presents a layered framework to measure the reordering introduced by contention resolution strategies in OBS networks. In particular, characterization is based on the reordering metrics proposed by the IETF IPPM ...
  • Arduino sensor network with Zigbee protocol 

    Cesari Gassol, Eduard (Universitat Politècnica de Catalunya, 2014-07)
    Master thesis
    Open Access
    This project involves the design of a sensor network, specifically ultrasound anemometers. The network is configurable, and capable to collect multiple reads of these sensors and transmit it to a coordinator, where using ...
  • A reliable system for JXTA-Overlay P2P platform considering number of authentic files, security and QoS parameters 

    Liu, Yi; Elmazi, Donald; Sakamoto, Shinji; Barolli, Leonard; Xhafa Xhafa, Fatos; Uchida, Kazunori (2015)
    Conference report
    Open Access
    The reliability of peers is very important for safe communication in Peer-to-Peer (P2P) systems. The reliability of a peer can be evaluated based on the reputation and interactions with other peers to provide different ...
  • A security framework for JXTA-overlay 

    Arnedo Moreno, Joan; Matsuo, Keita; Barolli, Leonard; Xhafa Xhafa, Fatos (Institute of Electrical and Electronics Engineers (IEEE), 2009)
    Conference report
    Open Access
    At present time, the maturity of P2P research field has pushed through new problems such us those related with security. For that reason, security starts to become one of the key issues when evaluating a P2P system and it ...
  • A simulation system for WSNs as a digital eco-system approach considering goodput metric 

    Barolli, Leonard; Yang, Tao; Mino, Gjergji; Durresi, Arjan; Xhafa Xhafa, Fatos (Institute of Electrical and Electronics Engineers (IEEE), 2010)
    Conference report
    Open Access
    Sensor networks are a sensing, computing and communication infrastructure that are able to observe and respond to phenomena in the natural environment and in our physical and cyber infrastructure. The sensors themselves ...
  • A survey of communication protocols for internet of things and related challenges of fog and cloud computing integration 

    Dizdarevic, Jasenka; Carpio, Francisco; Jukan, Admela; Masip Bruin, Xavier (2019-01-01)
    Article
    Open Access
    The fast increment in the number of IoT (Internet of Things) devices is accelerating the research on new solutions to make cloud services scalable. In this context, the novel concept of fog computing as well as the combined ...
  • A survey of Opportunistic Network techniques for message forwarding. 

    Rodriguez Aranguren, Sandra (Universitat Politècnica de Catalunya, 2013-11-28)
    Master thesis
    Open Access
    The aim of this Master Thesis is to present the investigation results of the different routing schemes that are used in opportunistic networks, the so-called opportunistic routing schemes. In special the routing scheme ...
  • A taxonomy and survey of SCTP research 

    Budzisz, Lukasz; Garcia, Johan; Brunstrom, Anna; Ferrús Ferré, Ramón Antonio (2012-08)
    Article
    Restricted access - publisher's policy
    The Stream Control Transmission Protocol (SCTP) is a relatively recent general-purpose transport layer protocol for IP networks that has been introduced as a complement to the well-established TCP and UDP transport protocols. ...
  • A threshold-selective multiuser downlink MAC scheme for 802.11n wireless networks 

    Kartsakli, Elli; Zorba, Nizar; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2010)
    Conference report
    Open Access
  • A tool for rapid MAC protocols prototyping and designing for wireless sensor networks 

    Amorós Martínez, Luis Miguel (Universitat Politècnica de Catalunya, 2012-09-25)
    Master thesis
    Open Access
    Wireless Sensor Networks (WSNs)consists of several resource constrained sensor nodes distributed over an specific geographical area. WSNs are typically energy constraint due to the fact the sensor nodes are battery ...
  • Automatic marine sensors services discovery on IP networks 

    Toma, Daniel; Río Fernandez, Joaquín del; O'Reilly, Thomas C.; Manuel Lázaro, Antonio (2013)
    Conference report
    Open Access
    Nowadays, the studies of episodic processes in the ocean is manly done through the innovative facilities called ocean observatories which provide unprecedented amounts of power and two-way bandwidth to access and control ...
  • Avaluació de LoRa/LoRaWAN per a escenaris de smart city 

    Pérez García, Rubén (Universitat Politècnica de Catalunya, 2017-02-10)
    Bachelor thesis
    Open Access
    The main objective of a Smart City project should be to improve the quality life of citizens based on sustainability and energy efficiency. These projects are planned and implemented with the idea of being durable and ...
  • Avaluació experimental d'un protocol d'encaminament multicamí basat en AODV 

    Gonzálvez Lober, Rubén; Sánchez Colomé, Albert; Villagrasa Batalla, Alexandra (Universitat Politècnica de Catalunya, 2006-07-11)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    Actualment les xarxes inalàmbriques, i en especial les xarxes ad-hoc (MANET), són un punt important d’investigació per part dels científics degut al gran ventall de camps a on poden ser aplicades. Encara que les MANETs suposin ...
  • Banco de pruebas para redes ad-hoc 

    Cavero Miranda, José; Sánchez Gómez, Francisco (Universitat Politècnica de Catalunya, 2011-12-20)
    Bachelor thesis
    Open Access
    Las redes ad-hoc son sistemas autónomos de redes temporales dinámicas formadas por un conjunto de nodos móviles inalámbricos, sin la intervención de puntos de acceso centralizados o de infraestructura de ningún tipo. En ...
  • Brief announcement: Game theoretical approach for energy-delay balancing in distributed duty-cycled MAC protocols of wireless networks 

    Doudou, Messaoud; Barceló Ordinas, José María; Djenouri, Djamel; García Vidal, Jorge; Badache, Nadjib (Association for Computing Machinery (ACM), 2014)
    Conference report
    Open Access
    Optimizing energy consumption and end-to-end (e2e) packet delay in energy constrained distributed wireless networks is a conflicting multi-objective optimization problem. This paper investigates this trade-off from a ...
  • Bundles fragmentation in vehicular delay-tolerant networks 

    Magaia, N; Pereira, P. R.; Casaca, A.; Rodrigues, J.J.P.C.; Dias, J. A.; Isento, J. N.; Cervelló Pastor, Cristina; Gallego Ezpeleta, J. (IEEE, 2012)
    Conference report
    Restricted access - publisher's policy
    Vehicular Delay-Tolerant Networks use the delaytolerant architecture and protocols to overcome the disruptions in network connectivity. These concepts help in cases where the network is sparse or with large variations ...