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 ...
    • 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 ...
    • 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 ...
    • 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 ...