Now showing items 1-18 of 18

  • A GMPLS/OBS network architecture enabling QoS-aware end-to-end burst transport 

    Pedroso, Pedro; Perelló Muntan, Jordi; Spadaro, Salvatore; Careglio, Davide; Solé Pareta, Josep; Klinkowski, Miroslaw (2010-07-01)
    External research report
    Open Access
    This paper introduces a Generalized Multi-Protocol Label Switching (GMPLS)-enabled Optical Burst Switched (OBS) network architecture featuring end-to-end QoS-aware burst transport services. This is achieved by setting up ...
  • An autonomic traffic classification system for network operation and management 

    Carela Español, Valentín; Barlet Ros, Pere; Mulla Valls, Oriol; Solé Pareta, Josep (2015-07-01)
    Article
    Open Access
    Traffic classification is an important aspect in network operation and management, but challenging from a research perspective. During the last decade, several works have proposed different methods for traffic classification. ...
  • 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 ...
  • Business-driven policy optimization for service management 

    Rubio-Loyola, Javier; Toscano-Pulido, Gregorio; Charalambides, Marinos; Magaña-Aguilar, Marisol; Serrat Fernández, Juan; Pavlou, George; Galeana Zapien, Hiram (2015)
    Article
    Open Access
    The performance of services offered by network operators has a direct impact on its reputation, on its revenue due to new customer subscriptions, and also on penalties that can apply when services are not provided to an ...
  • Continuos integration and monitorization system for code quality and cooperation work 

    Artigas Morales, Carles (Universitat Politècnica de Catalunya, 2017-07-12)
    Master thesis
    Open Access
    Nowadays it exist a sort of tools that allow a greater management of developing projects and although it allows by using this tools increase the efficiency and the effectiveness of the developing process and the developer ...
  • Contributions to efficient resource management in virtual networks 

    Mijumbi, Rashid; Gorricho Moreno, Juan Luis; Serrat Fernández, Juan (2014-06-30)
    Article
    Restricted access - publisher's policy
    Network virtualisation is a promising technique for a better future Internet by allowing for network resource sharing. However, resource sharing requires that virtual nodes and links be embedded onto substrate nodes and ...
  • Estudio de la optimización del tiempo de ejecución de la simulación de una red OBS mediante la computación distribuida 

    Guerra Cordero, Irene (Universitat Politècnica de Catalunya, 2009-07-10)
    Master thesis (pre-Bologna period)
    Open Access
    Este proyecto se centra en el estudio y análisis del comportamiento de un simulador OBS programado en Matlab cuando se aplica computación distribuida al bloque estadístico. Para realizarlo se han usado los módulos Matlab ...
  • First experimental demonstration of ABNO-driven in-operation flexgrid network re-optimization 

    Velasco Esteban, Luis Domingo; Paolucci, Francesco; Gifre Renom, Lluís; Aguado, Alejandro; Cugini, Filippo; Castoldi, Piero; López, Víctor (The Optical Society (OSA), 2014)
    Conference report
    Open Access
    The after failure repair optimization problem is used to experimentally validate in-operation planning using the ABNO architecture to control a flexgrid optical network. A back-end PCE is used to solve this computational ...
  • Gestió i administració de xarxa via SNMP 

    Tuneu Díaz, Ferran (Universitat Politècnica de Catalunya, 2015-10)
    Bachelor thesis
    Open Access
    El present projecte final de grau aprofundeix en la branca de les comunicacions del grau en Sistemes TIC, concretament s’enquadra en el temari que seguiria l’assignatura de Xarxes de Comunicacions. L’objectiu principal ...
  • Impact of LQI-based routing metrics on the performance of a one-to-one routing protocol for IEEE 802.15.4 multihop networks 

    Gómez Montenegro, Carlos; Boix Requesens, Antoni; Paradells Aspas, Josep (2010)
    Article
    Open Access
  • Implantación del sistema Nagios para monitorización del data center de Arag SE 

    Amándola Paradela, Matías (Universitat Politècnica de Catalunya, 2016-04-26)
    Bachelor thesis
    Restricted access - confidentiality agreement
  • Network Polygraph: An innovative network visibility service (not only) for NRENs 

    Barlet Ros, Pere; Sanjuàs Cuxart, Josep; Solé Pareta, Josep; Gandía, Maria Isabel; Malagón, Chelo (2015)
    Conference lecture
    Open Access
    We present Network Polygraph (https://polygraph.io), a network monitoring service based on NetFlow/IPFIX that benefits from more than 10 years of research in the fields of network monitoring and traffic classification at ...
  • On network flow management in virtualized environments 

    Rodríguez Haro, Fernando; Freitag, Fèlix; Navarro Moldes, Leandro; Farías Mendoza, Nicandro; Guerrero Ibáñez, Juan Antonio (2009-11)
    Conference report
    Open Access
    Virtualization has enabled the use of virtual machine (VM) based resource providers to offer computing power as a service. However, one important feature is to have certainty about the planed or expected performance of the ...
  • Quality of experience based provisioning for service providers 

    Serral Gracià, René; Marín Tordera, Eva; Yannuzzi, Marcelo; Masip Bruin, Xavier; Sánchez López, Sergio (2009-12-14)
    Conference report
    Open Access
    Nowadays Network Operators (NOs) are providing service guaranties to customers by largely overprovisioning their networks, but as the Internet keeps growing, this approach is unveiling important issues in terms of cost and ...
  • Simple network management provisioning based on quality of experience feedback 

    Serral Gracià, René; Marín Tordera, Eva; Yannuzzi, Marcelo; Masip Bruin, Xavier; Sánchez López, Sergio (2010)
    Conference report
    Open Access
    This paper presents a promising Autonomic Network Management System (ANMS) that allows Service Providers (SPs) to perform efficient network resource provisioning with their Network Operators (NOs). The novelty of our ANMS ...
  • SNMP – MIB Browser 

    Valentí i Zurriaga, Laia (Universitat Politècnica de Catalunya, 2010-07-10)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Bristish Telecom
    L’objectiu del treball fou desenvolupar una nova aplicació (MIB Browser) per administrar xarxes i components de sistema utilitzant el protocol SNMP ( Simple Network Management System). Aquesta aplicació va ser integrada ...
  • Solving routing and spectrum allocation related optimization problems 

    Velasco Esteban, Luis Domingo; Castro Casales, Alberto; Ruiz Ramírez, Marc (2013)
    Conference lecture
    Open Access
    We provide a comprehensible introduction to RSA-related problems in flexgrid networks. Starting from its formulation, we analyze network live cycle and indicate different solving methods for the kind of problems that arise ...
  • Some open issues in multi-domain/multi-operator/multi-granular ASON/GMPLS networks 

    Spadaro, Salvatore; Velasco Esteban, Luis Domingo; Perelló Muntan, Jordi; Agraz Bujan, Fernando; Comellas Colomé, Jaume; Junyent Giralt, Gabriel (IEEE, 2009-07-31)
    Conference report
    Open Access
    Large optical backbone networks may be composed of several domains, each one controlled by different administrators/operators. Besides, the bandwidth granularity of these domains may be different. Label Switched Paths ...