Now showing items 1-20 of 22

    • 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 ...
    • 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 ...
    • Burst contention avoidance schemes in hybrid GMPLS-enabled OBS/OCS optical networks 

      Perelló Muntan, Jordi; Spadaro, Salvatore; Comellas Colomé, Jaume; Junyent Giralt, Gabriel (IEEE Computer Society Publications, 2009-02)
      Conference report
      Open Access
      Hybrid optical network architectures, combining benefits of optical circuit and burst switching technologies, become a natural evolution to improve overall network performance while reducing related costs. This paper ...
    • 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) ...
    • 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
    • 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 ...
    • 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
    • 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 ...
    • 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 ...
    • 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 challenges of establishing disjoint QoS IP/MPLS paths across multiple domains 

      Yannuzzi, Marcelo; Masip Bruin, Xavier; Sánchez López, Sergio; Domingo Pascual, Jordi; Orda, A; Sprintson, A (2006-12)
      Article
      Open Access
      MPLS is being actively adopted as the core switching infrastructure at the intradomain level. This trend is mainly attributable to the undeniable potential of MPLS in terms of virtual private networks (VPNs) management, ...
    • 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 ...
    • SIP/SIMPLE resource list server : optimization or burden for presence systems 

      Beltrán Martínez, María Victoria; Paradells Aspas, Josep (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
      Conference report
      Restricted access - publisher's policy
      Presence information contains all the context about users, services and devices that applications need to take more proactive and intelligent decisions. SIP/SIMPLE is the de facto framework for initiating, managing and ...