Ara es mostren els items 1-20 de 58

    • A performance survey on deflection routing techniques for OBS networks 

      Pedrola Escribà, Òscar; Rumley, Sébastien; Careglio, Davide; Klinkowski, Miroslaw; Pedroso, Pedro; Solé Pareta, Josep; Gaumier, Christian (IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
      Text en actes de congrés
      Accés obert
      In this paper, we present a survey comparing different deflection routing based techniques applied to optical burst switching (OBS) networks. For such study we consider the E-OBS architecture proposed in [1] which is an ...
    • ABNO-driven content distribution in the telecom cloud 

      Gifre Renom, Lluís; Tornatore, Massimo; Contreras Murillo, Luis Miguel; Mukherjee, Biswanath; Velasco Esteban, Luis Domingo (2017-11-01)
      Article
      Accés obert
      As current traffic growth is expected to strain capacity of today¿s metro network, novel content distribution architectures where contents are placed closer to the users are being investigated. In that regard, telecom ...
    • Analytical model for hybrid immediate and advance reservation in optical WDM networks 

      Triay Marquès, Joan; Cervelló Pastor, Cristina; Vokkarane, Vinod M. (IEEE, 2011)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Current Internet and large-scale experimentation applications need to satisfy short provisioning delay and low blocking demands. Both can be guaranteed by using immediate reservation (IR) and advance reservation (AR), ...
    • Applying cognitive dynamic learning strategies for margins reduction in operational optical networks 

      Notivol Calleja, Luis David; Spadaro, Salvatore; Perelló Muntan, Jordi; Junyent Giralt, Gabriel (2020-09-01)
      Article
      Accés obert
      Today's optical transport networks are complex already and the support of the new arising services will further increase such complexity. Traditional deterministic network procedures will need to be revisited, especially ...
    • Architecture of a specialized back-end high performance computing-based PCE for flexgrid networks 

      Gifre Renom, Lluís; Velasco Esteban, Luis Domingo; Navarro, Nacho (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The requirement of executing network re-optimization operations to efficiently manage and deploy new generation flexgrid-based optical networks has brought to light the need of some specialized PCEs capable of performing ...
    • Autonomous operations in optical networks 

      Pérez Vela, Alba; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo (2019)
      Text en actes de congrés
      Accés obert
      Machine Learning (ML) has already proven its benefits for network operation, being a sub-domain of artificial intelligence, it is highly suitable for complex system representation. In this paper, ...
    • COCONUT requirements for residential, business and outdoor scenarios 

      Vall-llosera, Gema; Rafel, Albert; Ciaramella, Ernesto; Prat Gomà, Josep Joan (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Five basic requirements have been defined for the COCONUT ultra-dense WDM PON architecture: (1) untouched optical distribution network, (2) no active components, (3) no intervention in the outside plan, (4) smooth upgrade ...
    • Cognitive science applied to reduce network operation margins 

      Notivol Calleja, Luis David; Spadaro, Salvatore; Perelló Muntan, Jordi; Junyent Giralt, Gabriel (2017-06-08)
      Article
      Accés obert
      In an increasingly competitive market environment with smaller product offer differentiation, a continuous maximization of efficiency, while guarantying the quality of the provided services, remains a main objective for ...
    • Combining machine learning and optimization algorithms in 5G networks 

      Peña Sahunt, Marc (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2022-06)
      Projecte Final de Màster Oficial
      Accés obert
      Optical networks are a good option to absorb simultaneous services, offering high broadband capacity. Indeed, optical network automation based on artificial intelligence-based methods and models has been recently proposed ...
    • Data plane technology-agnostic control and orchestration architecture for optical disaggregated data centers 

      Agraz Bujan, Fernando; Pagès Cruz, Albert; Spadaro, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      We propose a novel SDN control and orchestration architecture to provide composed IaaS over optical disaggregated data centers. We experimentally validate intent-based mechanisms that make the architecture independent from ...
    • Deep Learning-Based Optical Spectrum Analysis for Lightpath Distance Evaluation 

      Rivera Torres, Ronald (Universitat Politècnica de Catalunya, 2022-06-27)
      Projecte Final de Màster Oficial
      Accés obert
      Fiber Optics are the backbone of communication, and their security is essential in the present era. In recent years, Machine Learning and Deep Neural Networks have been employed in a wide range of applications for monitoring ...
    • Design of flexible udWDM metro-access network devices assisted by high resolution complex spectroscopy 

      Altabas, Jose Antonio; Izquierdo, David; Pascual, Álvaro; Sarmiento Hernández, Samael; Lázaro Villa, José Antonio; Garces, Ignacio; Villafranca, A. (2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The new cloud services, the Internet of Things (IoT) and the convergence of mobile and optical networks in the 5G scenario are pushing up the traffic demand over the metro-access networks. Flexible ultra-dense Wavelength ...
    • Development of a Network Management System for the EU DICONET Project 

      Pagès Cruz, Albert (Universitat Politècnica de Catalunya, 2010)
      Projecte/Treball Final de Carrera
      Accés obert
      The objective of the present final project has been the development of a graphical interface for the management plane of the DICONET network. The management plane is the responsible for having a whole network view and ...
    • Disaggregated Computing. An Evaluation of Current Trends for Datacentres 

      Meyer, Hugo; Sancho, Jose C.; Quiroga, Josue V.; Zyulkyarov, Ferad; Roca, Damian; Nemirovsky, Mario (Elsevier, 2017)
      Article
      Accés obert
      Next generation data centers will likely be based on the emerging paradigm of disaggregated function-blocks-as-a-unit departing from the current state of mainboard-as-a-unit. Multiple functional blocks or bricks such as ...
    • End-to-end 5G service deployment and orchestration in optical networks with QoE guarantees 

      Montero Herrera, Rafael; Agraz Bujan, Fernando; Pagès Cruz, Albert; Spadaro, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés obert
      The upcoming 5G deployments will impose stringent requirements. Optical networks control and resource orchestration is set to potentially turn into software-defined approaches in order to address such requirements. As a ...
    • Evaluating the impact of the guard band width on the benefits of probabilistic constellation shaping in future flex-grid over multicore fibre optical backbone networks 

      Perelló Muntan, Jordi; Gené Bernaus, Joan M.; Cho, Junho; Spadaro, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2023)
      Text en actes de congrés
      Accés obert
      Probabilistic constellation shaping (PCS) has emerged as an advanced modulation technique that provides a fine-grained software-defined trade-off between achievable spectral efficiency (SE) and transmission reach to deliver ...
    • Evolution towards smart optical networking : where artificial intelligence (AI) meet the world of photonics 

      Jukan, Admela (2017-06)
      Audiovisual
      Accés obert
      Intervenció dins del marc del 2nd International Workshop on Elastic Networks Design and Optimisation (ELASTICNETS 2017).
    • Experimental characterization of CMOS photonic devices 

      Gómez Gonzalvo, Alberto (Universitat Politècnica de Catalunya, 2016-10)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Massachusetts Institute of Technology
      Current electrical interconnects in super-computers and high-performance processors present a bottleneck in terms of bandwidth and power consumption. A migration to the optical domain in order to cope with the connectivity ...
    • Experimental demonstration of a novel QoS-aware hybrid optical network 

      Simeonidou, Dimitra; Escalona, Eduard; Qin, Yixuan; Zervas, Georgios; Triay Marquès, Joan; Zarris, George; Amaya González, Norberto; Nejabati, Reza; Cervelló Pastor, Cristina (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
      Text en actes de congrés
      Accés obert
      This paper presents a hybrid optical test-bed controlled by a hardware-accelerated control plane capable of dynamically provisioning the most suitable route according to the requirements of the client technology and the ...
    • Experimental demonstration of a self-optimised multi-bit-rate optical network 

      Simeonidou, Dimitra; Zervas, Georgios S.; Zarris, George; Amaya González, Norberto; Triay Marquès, Joan; Escalona, Eduard; Qin, Yixuan; Cervelló Pastor, Cristina; Nejabati, Reza (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
      Text en actes de congrés
      Accés obert
      This paper proposes an innovative self-managed optical network architecture for heterogenous transparent optical networks. A self-optimized dynamic network testbed that comprises multiple multi bit-rate ligthpaths on a ...