Now showing items 1-18 of 18

  • 1.3 µm SDN-enabled optical packet switch architecture for high performance and programmable data center network 

    Miao, Wang; Agraz Bujan, Fernando; De Waardt, Huug D.; Spadaro, Salvatore; Sebastian Dorren, Harm Joseph; Calabretta, Nicola (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Restricted access - publisher's policy
    We demonstrate a 1.3 µm port-count scalable SDN-enabled optical packet switch architecture for programmable data-center networks. Experimental assessments of a 40Gb/s 4×4 switch system with SDN-control show <10-5 packet-loss ...
  • AnyTraffic routing algorithm for label-based forwarding 

    Pedroso, Pedro; Pedrola Escribà, Òscar; Papadimitriou, Dimitri; Klinkowski, Miroslaw; Careglio, Davide (IEEE Press and Wiley, 2009-11-30)
    Conference 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 on today’s networks, unicast ...
  • A simulation study of combined routing and contention resolution algorithms in connection-oriented OPS network scenario 

    Klinkowski, Miroslaw; Careglio, Davide; Masip Bruin, Xavier; Spadaro, Salvatore; Sánchez López, Sergio; Solé Pareta, Josep (IEEE Press and Wiley, 2004-10-12)
    Conference report
    Open Access
    Connection-oriented optical packet-switched network integrates MPLS and OPS layers to exploit the best of electronic and optical technologies. In particular, routing components use enhanced routing algorithms to compute ...
  • A study of packet losses in the EuQoS network 

    Jakab, Lorand; Serral Gracià, René; Domingo Pascual, Jordi (2006)
    Conference report
    Open Access
    As Internet usage grows, more efforts are put into analyzing its internal performance, usually such analysis comes through simulation using different models. While simulation can provide a good approximation of network ...
  • Controller placement problem in industrial networks 

    Macián Ribera, Sergi (Universitat Politècnica de Catalunya, 2016-09-30)
    Bachelor thesis
    Open Access
    Covenantee:  Technische Universität München
    In this work the Controller Placement Problem (CPP) for SDN architecture is studied when it is applied to industrial networks.
  • Disseny i implementació de mecanismes del pla de control en un prototipus de xarxa OBS 

    Fernández Molina, Pablo (Universitat Politècnica de Catalunya, 2011-05-26)
    Bachelor thesis
    Open Access
    L’objectiu principal plantejat en aquest projecte ha estat optimitzar el pla de control d’un prototipus de xarxa de Commutació de Ràfegues Òptiques (OBS, Optical Burst Switching) del qual ja se'n disposava d'un disseny ...
  • Distributed Resources Assignment for Optical Burst Switching without Wavelength Conversion (Invited Paper) 

    Cervelló Pastor, Cristina; Triay Marquès, Joan; Sallent Ribes, Sebastián (2009-09)
    Conference report
    Open Access
    The amount of bursty Internet traffic leads to develop new architectures and technologies, such as Optical Burst Switching (OBS), to efficiently satisfy future bandwidth requirements. Burst loss probability is an important ...
  • Estudi i simulació de network coding 

    Pericay Vendrell, Pau (Universitat Politècnica de Catalunya, 2010-10-06)
    Bachelor thesis
    Open Access
  • Estudio y simulación del DBA OBS-aware para EPONs 

    Herráiz Buendía, Rubén; Nogueira Ventura, Albert (Universitat Politècnica de Catalunya, 2012-05-17)
    Bachelor thesis
    Open Access
    El desarrollo de tecnologías de red de acceso basadas en el uso de la fibra óptica como medio de transmisión ha permitido, en comparación con las redes de acceso de cable, incrementar en varios órdenes de magnitud la ...
  • GMPLS/PCE/OBST architectures for guaranteed sub-wavelength mesh metro network services 

    Triay Marquès, Joan; Zervas, Georgios S.; Cervelló Pastor, Cristina; Simeonidou, Dimitra (2011)
    Conference lecture
    Open Access
    This paper presents three innovative GMPLS/PCE/OBST interworking architectures for mesh metro networks which deliver guaranteed contention-free sub-wavelength services with enhanced channel utilization, yet enabling ...
  • Keeping the packet sequence in optical packet-switched networks 

    Callegati, Franco; Careglio, Davide; Cerroni, Walter; Muretto, Giovanni; Raffaelli, Carla; Solé Pareta, Josep; Zaffoni, Paolo (2005-11-07)
    Article
    Restricted access - publisher's policy
    This paper deals with optical packet switches with limited buffer capabilities, subject to asynchronous, variable-length packets and connection-oriented operation. The focus is put on buffer scheduling policies and queuing ...
  • Load-balanced wavelength assignment strategies for optical burst/packet switching networks 

    Agustí Torra, Anna; Cervelló Pastor, Cristina; Fiol Mora, Miquel Àngel (2009-03)
    Article
    Restricted access - publisher's policy
    Loss-free schemes are defined to ensure successful packet/burst transmissions in optical packet/burst switching networks. To this end, they rely on a collision-free routing and wavelength assignment (CF-RWA) scheme ...
  • Mecanismes de resolució de contencions per a xarxes de commutació òptica de ràfegues (OBS) 

    Rodríguez Rodríguez, Eva (Universitat Politècnica de Catalunya, 2005-06)
    Master thesis (pre-Bologna period)
    Open Access
  • Performance analysis of the sent-but-sure strategy for optical burst and packet switched networks 

    Agustí Torra, Anna; Cervelló Pastor, Cristina; Fiol Mora, Miquel Àngel (2010-09-21)
    Article
    Restricted access - publisher's policy
    This work proposes an analytical model to characterize the performance of a loss-free transmission strategy for Optical Burst and Packet Switched Networks, which ensures that a burst/packet will successfully reach its ...
  • SDN-enabled programmable optical packet/circuit switched intra data centre network 

    Guo, Bingli; Peng, Shuping; Jackson, Chris; Agraz Bujan, Fernando; Perelló Muntan, Jordi; Spadaro, Salvatore; Nejabati, Reza (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Restricted access - publisher's policy
    We demonstrated an SDN-enabled optical DCN leveraging AoD, OPS, FPGA-based ToR with extended OpenDayLight controller and extended OF protocol. Experimental results show application-aware OCS/OPS connection provisioning ...
  • 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 ...
  • WebGuide: Aplicació Web (HTML5) i Asterisk utilitzant VoIP 

    Rodriguez Rodriguez, Albert (Universitat Politècnica de Catalunya, 2017-05)
    Master thesis (pre-Bologna period)
    Open Access
    El projecte consisteix en crear una aplicació web que, en primera instància, podria actuar d’àudio-guia d’un museu tot i que pot tenir altres utilitats. Aquestes podrien ser, per exemple, un assistent a una tenda de roba ...
  • Who shot optical packet switching? 

    Almeida Amazonas, José Roberto de; Santos Boada, Germán; Solé Pareta, Josep (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Conference report
    Open Access
    Looking at the volume of publications dealing with Optical Packet (OPS) and those dealing with Elastic Optical Networking (EON) in the period from 2000 to 2016, one clearly can observe that between 2004 and 2009 there is ...