Now showing items 21-40 of 45

    • Evaluación de técnicas de captura y muestreo de tráfico en redes de ordenadores 

      Bastías López, Xavier (Universitat Politècnica de Catalunya, 2012-12-20)
      Bachelor thesis
      Open Access
      En las redes de ordenadores (típicamente redes IP), el análisis de tráfico con fines de administración y control se realiza construyendo un registro de los flujos IP activos. Esta monitorización se realiza en ciertos ...
    • Fuzzy-Token: An adaptive MAC protocol for wireless-enabled manycores 

      Franques, Antonio; Abadal Cavallé, Sergi; Hassanieh, Haitham; Torrellas, Josep (IEEE, 2021)
      Conference report
      Open Access
      Recent computer architecture trends herald the arrival of manycores with over one hundred cores on a single chip. In this context, traditional on-chip networks do not scale well in latency or energy consumption, leading ...
    • Generation and analysis of service-based traffic flows 

      Bernal Escribano, Álvaro; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo (2019)
      Conference report
      Open Access
      The rapid availability of new services makes that network operators cannot exhaustively test their impact on the network or anticipate any capacity exhaustion. This situation will be worse with the imminent introduction ...
    • Handling Outdated Information in Optical PCE Environments 

      Ramirez Almonte, Wilson; Masip Bruin, Xavier; Marín Tordera, Eva; Sánchez López, Sergio; Souza, Vitor Barbosa (2015)
      Conference report
      Restricted access - publisher's policy
      The rapid emergence of new network scenarios and architectures, such as Data Centers Networks (DCNs), Path Computation Element (PCE), and Software Defined Networking (SDN), has refreshed some on-line routing-related ...
    • ILP modeling of many-to-many transmissions in computer networks 

      Walkowiak, Krzysztof; Bulira, Damian; Careglio, Davide (Polish Academy of Sciences, 2012)
      Conference report
      Open Access
      Information flow in nowadays networks spreads in the exponential way. This fact is caused by the intensive changes in the Internet communication paradigms. Transmission in the Internet evolved from the simple one-to-one ...
    • Internet routing paths stability model and relation to forwarding paths 

      Papadimitriou, Dimitri; Careglio, Davide; Tarissan, Fabien; Demeester, Piet M.A. (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Open Access
      Analysis of real datasets to characterize the local stability properties of the Internet routing paths suggests that extending the route selection criteria to account for such property would not increase the routing path ...
    • ITMgen - A first-principles approach to generating synthetic interdomain traffic matrices 

      Mikians, Jakub; Laoutaris, Nikolaos; Dhamdhere, Amogh; Barlet Ros, Pere (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Open Access
      We present the design and evaluation of ITMgen, a tool for generating synthetic but representative Interdomain Traffic Matrices (ITMs). ITMgen is motivated by the observation that gravity-based models do not reflect ...
    • Lowering traffic without sacrificing performance in networked control systems 

      Martí Colom, Pau; Velasco García, Manel; Yépez Castillo, José Gregorio; Martín Rull, Enric Xavier (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
      Conference lecture
      Restricted access - publisher's policy
      In Networked Control Systems (NCS), the amount of control data exchanged between sensors, controllers and actuators nodes highly depends on the control performance specifications given to each networked control loop. ...
    • Managing Interdomain Traffic in Latin America: A New Perspective based on LISP 

      Yannuzzi, Marcelo; Masip Bruin, Xavier; Grampin Castro, Eduardo; Gagliano Molla, Roque; Castro Casales, Alberto; Germán Duarte, Martín (2009-07)
      Article
      Open Access
      The characteristics of Latin American network infrastructures have global consequences, particularly in the area of interdomain traffic engineering. As an example, Latin America shows the largest de-aggregation factor ...
    • La neutralidad de red: gestión de tráfico mediante DPI/DFI 

      Molina Rodriguez, Juan (Universitat Politècnica de Catalunya, 2012-01-12)
      Master thesis (pre-Bologna period)
      Open Access
      English: Net neutrality promotes some principles aimed at maintaining an open Internet, including specially the idea of granting the same treatment to all packets flowing through the network. This approach has been triggered ...
    • Oblivious routing schemes in extended generalized fat tree networks 

      Rodríguez Herrera, Germán; Minkenberg, Cyriel; Beivide Palacio, Ramon; Luijten, Ronald P.; Labarta Mancho, Jesús José; Valero Cortés, Mateo (IEEE Computational Intelligence Society, 2009)
      Conference report
      Open Access
      A family of oblivious routing schemes for fat trees and their slimmed versions is presented in this work. First, two popular oblivious routing algorithms, which we refer to as S-mod-k and D-mod-k, are analyzed in detail. ...
    • On the experimentation of the novel GCMR multicast routing in a large-scale testbed 

      Careglio, Davide; Papadimitriou, Dimitri; Agraz Bujan, Fernando; Sahhaf, Sahel; Perelló Muntan, Jordi; Tavernier, Wouter (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference lecture
      Open Access
      Originally defined in the 90s, multicast is nowadays (re)gaining interest given the increasing popularity of multimedia streaming/content traffic and the explosion of cloud services. In fact, multicast yields bandwidth ...
    • Performance analysis of handoff resource allocation strategies through the state-dependent rejection scheme 

      Barceló Arroyo, Francisco (IEEE, 2004-05)
      Conference report
      Open Access
      The state-dependent rejection scheme (SRS) provides a common framework for analysing existing handoff schemes and for designing new ones easily. Designing new schemes is made simple by determining the appropriate set of ...
    • PILEP: a contribution to PCE-based interdomain path computation 

      Domínguez Dorado, Manuel; González Sánchez, José Luis; Domingo Pascual, Jordi (2008)
      Conference report
      Open Access
      The process of computing routes that network traffic must follow throughout Internet has become more complex in the last years. Nowadays, this process is subject to the application of several constraints related to traffic ...
    • Practical course on teletraffic 

      Alcober Segura, Jesús Ángel (Edicions UPC, 1999)
      Book
      Restricted access to the UPC academic community
      This book corresponds to the manual of practices for a simulator of teletraffic basic models. An important part in the studies of communication networks usually refers to the mathematical tools that help to dimension ...
    • Rate allocation in massive multiple access combining successive decoding with error control 

      Molina Oliveras, Francesc; Sala Álvarez, José (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Conference report
      Open Access
      The Gaussian multiple access channel under asymptotically many code-division-multiple-access users and successive interference cancellation (SIC) is investigated in this work. Users transmit n-symbol packets and select ...
    • Real burst traffic amplification in optically gain clamped amplifier 

      Ennser, Karin; Taccheo, Stefano; Careglio, Davide; Solé Pareta, Josep; Aracil Rico, Javier (2008-02-24)
      Conference lecture
      Open Access
      Optical burst amplification in a gain-stabilized amplifier is theoretically investigated using real burst traffic data. The results show that excellent performance are obtained for WDM transmission with negligible interplay ...
    • Recent advances on the simulation models for ad hoc networks: real traffic and mobility models 

      Doci, Arta; Barolli, Leonard; Xhafa Xhafa, Fatos (2009-03-01)
      Article
      Restricted access - publisher's policy
      In order to provide credible and valid simulation results it is important to built simulation models that accurately represent the environments were ad hoc networks will be deployed. Recent research results have shown that ...
    • Research Challenges in QoS routing 

      Masip Bruin, Xavier; Yannuzzi, Marcelo; Domingo Pascual, Jordi; Fonte, Alexandre; Curado, Marilia; Kuipers, Fernando Antonio; Van Mieghem, Piet (2006-03)
      Article
      Open Access
      Quality of Service Routing is at present an active and remarkable research area, since most emerging network services require specialized Quality of Service (QoS) functionalities that cannot be provided by the current ...
    • RI-CUBE: dotando al PCE de información abstracta de ingeniería de tráfico interdominio 

      Domínguez Dorado, Manuel; González Sánchez, José Luis; Domingo Pascual, Jordi; Carmona Murillo, Juan (2009)
      Conference report
      Open Access
      El cómputo de rutas en Internet se ha vuelto una tarea compleja y costosa. La arquitectura PCE (Path Computation Element) proporciona la funcionalidad necesaria para el cómputo de rutas interdominio en redes MPLS (Multiprotocol ...