Now showing items 1-14 of 14

  • Adapting the virtual network topology to near future traffic 

    Morales Alcaide, Fernando; Festa, Paola; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Conference report
    Restricted access - publisher's policy
    The introduction of new services requiring large and dynamic bitrate connectivity can cause changes in the direction of the traffic in metro and even core network segments along the day. This leads to large overprovisioning ...
  • Big data analytics for the virtual network topology reconfiguration use case 

    Gifre Renom, Lluís; Morales Alcaide, Fernando; Velasco Esteban, Luis Domingo; Ruiz Ramírez, Marc (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Restricted access - publisher's policy
    ABNO's OAM Handler is extended with big data analytics capabilities to anticipate traffic changes in volume and direction. Predicted traffic is used to trigger virtual network topology re-optimization. When the virtual ...
  • Core VNT adaptation based on the aggregated metro-flow traffic model prediction 

    Morales Alcaide, Fernando; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo (Optical Society of American (OSA), 2017)
    Conference report
    Restricted access - publisher's policy
    Aggregation of metro-flow traffic models is proposed to obtain valid core traffic predictive models for core VNT reconfiguration when metro and core networks are independently controlled. Exhaustive simulation results ...
  • Data analytics based origin-destination core traffic modelling 

    Morales Alcaide, Fernando; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Conference report
    Restricted access - publisher's policy
    Traffic monitoring is an essential task for network operators since it allows evaluating network performance. Monitoring data from origin-destination (OD) traffic in core virtual network topologies can be collected from ...
  • Designing and dimensioning networks according to traffic needs 

    Morales Alcaide, Fernando (Universitat Politècnica de Catalunya, 2016-06-21)
    Master thesis
    Open Access
    Nowadays network traffic is rapidly increasing, forcing operators to adapt optical networks accordingly. This poses a series of problems in order to reduce costs. In this context, this thesis presents two of these problems. ...
  • Dynamic core VNT adaptability based on predictive metro-flow traffic models 

    Morales Alcaide, Fernando; Gifre, Lluis; Paolucci, Francesco; Ruiz Ramírez, Marc; Cugini, Filippo; Castoldi, Piero; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2017-12-01)
    Article
    Open Access
    MPLS-over-optical virtual network topologies (VNTs) can be adapted to near-future traffic matrices based on predictive models that are estimated by applying data analytics on monitored origin-destination (OD) traffic. ...
  • Incremental capacity planning in flexgrid optical networks 

    Morales Alcaide, Fernando (Universitat Politècnica de Catalunya, 2015-02)
    Bachelor thesis
    Open Access
    Les xarxes de comunicacions de fibra òptica necessiten adaptar-se com a resposta a l'evolució del tràfic de dades que han de transportar. Aquesta evolució inclou l'extensió periòdica de la seva capacitat per tal de millorar ...
  • Incremental capacity planning in optical transport networks based on periodic performance metrics 

    Morales Alcaide, Fernando; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Restricted access - publisher's policy
    Incremental planning is performed periodically to decide how a backbone optical network has to be updated to serve the forecast traffic during the next planning period. Based on reliable traffic prediction, new equipment ...
  • On-demand incremental capacity planning in optical transport networks 

    Velasco Esteban, Luis Domingo; Morales Alcaide, Fernando; Gifre Renom, Lluís; Castro Casales, Alberto; González de Dios, Oscar; Ruiz Ramírez, Marc (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Article
    Restricted access - publisher's policy
    Incremental planning is performed periodically to decide how a backbone optical network has to be updated to serve the forecast traffic during the next planning period. Based on reliable traffic prediction, new equipment ...
  • Performance evaluation of the VNT reconfiguration algorithm based on traffic prediction 

    Morales Alcaide, Fernando; Festa, Paola; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Restricted access - publisher's policy
    In a previous work, the Virtual Network Topology Reconfiguration problem based on Traffic Prediction (VENTURE) was proposed as a means of efficiently adapting core virtual network topology (VNT) to the near-future traffic. ...
  • Towards cognitive in-operation network planning 

    Morales Alcaide, Fernando (Universitat Politècnica de Catalunya, 2018-06-15)
    Doctoral thesis
    Open Access
    Next-generation internet services such as live TV and video on demand require high bandwidth and ultra-low latency. The ever-increasing volume, dynamicity and stringent requirements of these services’ demands are generating ...
  • Traffic generation for telecom cloud-based simulation 

    Pérez Vela, Alba; Via Baraldés, Anna; Morales Alcaide, Fernando; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Restricted access - publisher's policy
    With the incremental amount of applications running over the telecom cloud architecture it is becoming of paramount importance being able to run simulations aiming at evaluating the performance of such applications. To ...
  • Virtual network topology adaptability based on data analytics for traffic prediction 

    Morales Alcaide, Fernando; Ruiz Ramírez, Marc; Gifre Renom, Lluís; Contreras Murillo, Luis Miguel; López Álvarez, Victor; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2017-01-26)
    Article
    Open Access
    The introduction of new services requiring large and dynamic bitrate connectivity can cause changes in the direction of the traffic in metro and even core network segments throughout the day. This leads to large overprovisioning ...
  • Virtual network topology reconfiguration based on big data analytics for traffic prediction 

    Morales Alcaide, Fernando; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo (OSA, 2016)
    Conference report
    Restricted access - publisher's policy
    Big data analytics is applied for IP traffic prediction. When the virtual topology needs to be reconfigured, predicted and current traffic matrices are used to find the optimal topology. Exhaustive simulation results reveal ...