Now showing items 1-20 of 36

    • A passive available bandwidth estimation methodology 

      Cabellos Aparicio, Alberto; Thompson, John; García, Francisco J.; Domingo Pascual, Jordi (2009-11-30)
      External research report
      Open Access
      The Available Bandwidth (AB) of an end-to-end path is its remaining capacity and it is an important metric for several applications such as overlay routing and P2P networking. That is why many AB estimation tools have been ...
    • Advances on path computation element 

      González de Dios, Oscar; Masip Bruin, Xavier; Lee, Young (2017-11-01)
      Article
      Open Access
    • Analysis of the threshold between GPON and EP2P 

      Santos Boada, Germán; García-Torres, José; Domingo Pascual, Jordi (2009-10-26)
      External research report
      Open Access
      New services like Video on demand, Television (IPTV), high speed Internet access and Voice over IP on top the same link are called Triple Play services. These services demand very high bandwidth to customers. ADSL and ...
    • AnyTraffic labeled routing 

      Papadimitriou, Dimitri; Pedroso, Pedro; Careglio, Davide (IEEE Computer Society Publications, 2010-05-23)
      Conference report
      Open Access
      This paper investigates routing algorithms that compute paths along which combined unicast and multicast traffic can be forwarded altogether, i.e., over the same path. For this purpose, the concept of AnyTraffic group is ...
    • AnyTraffic labeled routing for static and dynamic traffic 

      Papadimitriou, Dimitri; Pedroso, Pedro; Careglio, Davide (2009-09-25)
      External research report
      Open Access
      This paper investigates routing algorithms that compute paths along which combined unicast and multicast traffic can be forwarded altogether, i.e., over the same path. For this purpose, the concept of AnyTraffic group is ...
    • AnyTraffic routing algorithm for label-based forwarding 

      Pedroso, Pedro; Pedrola Escribà, Òscar; Papadimitriou, Dimitri; Careglio, Davide; Klinkowski, Miroslaw (2009-06-11)
      External research report
      Open Access
      The high capacity provided by packet-switched networks is supporting the proliferation of bandwidth intensive multimedia applications which require multicasting capability. As a consequence a mixed traffic scenario where ...
    • Challenging the generalization capabilities of Graph Neural Networks for network modeling 

      Suárez-Varela Maciá, José Rafael; Carol Bosch, Sergi; Rusek, Krzysztof; Almasan Puscas, Felician Paul; Arias Vicente, Marta; Barlet Ros, Pere; Cabellos Aparicio, Alberto (Association for Computing Machinery (ACM), 2019)
      Conference report
      Open Access
      Today, network operators still lack functional network models able to make accurate predictions of end-to-end Key Performance Indicators (e.g., delay or jitter) at limited cost. Recently a novel Graph Neural Network (GNN) ...
    • Channel Holding Time Distribution in Public Cellular Telephony 

      Barceló Arroyo, Francisco; Jordán, Javier (Elsevier Science B.V., 1999-06)
      Conference lecture
      Open Access
      This paper examines the channel holding time of public cellular telephony systems. This is the time that the Mobile Station (MS) remains in the same cell, a fraction of the call holding time. The study is based on actual ...
    • Configuración y pruebas de funcionamiento de la interconexión de redes heterogéneas con troncal MPLS 

      Lores Jacinto, Jordi (Universitat Politècnica de Catalunya, 2011-03-03)
      Master thesis (pre-Bologna period)
      Open Access
      Castellano: La configuración de una red troncal MPLS y realizar diversas pruebas con redes Wifi, ethernet y distintos tipos de tránsito
    • Coordinated Computation of Multi-layer Paths via Inter-layer PCE Communication: Standards, Interoperability and Deployment 

      Chamania, Mohit; González de Dios, Óscar; López, Víctor; Cuaresma, Marta; Drogon, Marek; Jukan, Admela; Masip Bruin, Xavier; Yannuzzi, Marcelo (2012)
      Conference report
      Open Access
      The Path Computation Element (PCE) is positioned nowadays as one of the solutions that almost every carrier will eventually deploy. The PCE architecture as well as a number of components, including the PCE Communication ...
    • Coverage of Hybrid Terrestrial-Satellite Location in Mobile Communications 

      Barceló Arroyo, Francisco; Martín Escalona, Israel (VDE, 2004-02)
      Conference report
      Open Access
      This work studies the improvement in service coverage obtained by three different ways of hybridising (terrestrial and satellite) triangulation location methods for cellular networks. Though the authors assume that ...
    • Decentralised multi-access MAC protocol for ad-hoc networks 

      Realp, Marc; Pérez Neira, Ana Isabel (2003)
      Conference report
      Open Access
      In ad-hoc radio networks, mechanisms on how to access the radio channel are extremely important in order to improve network efficiency and, when needed, to guarantee QoS. Traditionally, Medium Access Control (MAC) protocols ...
    • Descubrimiento de PCE inter-AS: una aportación a la computación de LSP en sistemas multidominio 

      Domínguez Dorado, Manuel; González Sánchez, José Luis; Domingo Pascual, Jordi (2008)
      Conference report
      Restricted access - publisher's policy
      El proceso de cálculo de las rutas que debe seguir el tráfico a través de Internet ha aumentado notablemente su complejidad en los últimos años. Hoy en día, este proceso está sujeto a la aplicación de múltiples restricciones ...
    • Detecting cryptocurrency miners with NetFlow/IPFIX network measurements 

      Zayuelas Muñoz, Jordi; Suárez-Varela Maciá, José Rafael; Barlet Ros, Pere (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference report
      Open Access
      In the last few years, cryptocurrency mining has become more and more important on the Internet activity and nowadays is even having a noticeable impact on the global economy. This has motivated the emergence of a new ...
    • Disseny d'un ISP inalàmbric amb distribució MPLS fins al client 

      Ricart Sanchez, Daniel (Universitat Politècnica de Catalunya, 2011-07-08)
      Master thesis (pre-Bologna period)
      Open Access
      English: Deploying MPLS to the customer premises instead of doing so in the network core routers allow for new kind of guaranteed services like triple play or site interconnection. MPLS-capable hardware has been traditionally ...
    • Dynamic traffic grooming in Joint Switching (JoS)-enabled flex-grid/SDM optical core networks 

      Rumipamba Zambrano, Rubén Darío; Perelló Muntan, Jordi; Spadaro, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Open Access
      We propose and evaluate a dynamic traffic grooming strategy enhancing the performance of JoS-enabled Flex-Grid/SDM networks. Results disclose up to 120% and 44% additional carried network traffic vs. no grooming and existing ...
    • Enabling data analytics and machine learning for 5G services within disaggregated multi-layer transport networks 

      Casellas Regi, Ramón; Martínez Rivera, Ricardo Victor; Velasco Esteban, Luis Domingo; Vilalta, Ricard; Pavón Mariño, Pablo; King, Daniel; Muñoz González, Raül (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Open Access
      Recent advances, related to the concepts of Artificial Intelligence (AI) and Machine Learning (ML) and with applications across multiple technology domains, have gathered significant attention due, in particular, to the ...
    • Estudio de la inclusión del sistema PCE en redes GMPLS 

      Marcos García, Alberto de (Universitat Politècnica de Catalunya, 2009)
      Master thesis (pre-Bologna period)
      Open Access
    • 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 ...
    • 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 ...