Now showing items 1-20 of 44

  • 1st BSC Doctoral Symposium : book of abstracts 

    Cucchietti, Fernando; Comes, Carles; Badia Moragas, Alba; Cabeza, Israel; Eguzkitza, Beatriz; Gifre Renom, Lluís; González, Santiago; Guevara, Marc; Hernández, Roger; Hussain, Tassadaq; Jiménez, Brian; Liu, Qixiao; Moal, Iain; Obiso, Vincenzo; Palavedu, Karthikeyan; Panic, Milos; Rajovic, Nikola; Royuela, Sara; Scaini, Chiara; Soret, Albert; Stipić, Srđjan; Strassburg, Janko; Valverde, Víctor; Villalba, Álvaro (Barcelona Supercomputing Center, 2014-05-26)
    Conference report
    Open Access
  • 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
    Open Access
    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 ...
  • A control and management architecture supporting autonomic NFV services 

    Velasco Esteban, Luis Domingo; Casellas Regi, Ramón; Llana, Sergio; Gifre Renom, Lluís; Martínez Rivera, Ricardo Victor; Vilata, Ricard; Muñoz González, Raul; Ruiz, Marc (2019-02)
    Article
    Restricted access - publisher's policy
    The proposed control, orchestration and management (COM) architecture is presented from a high-level point of view; it enables the dynamic provisioning of services such as network data connectivity or generic network slicing ...
  • An architecture to support autonomic slice networking 

    Velasco Esteban, Luis Domingo; Gifre Renom, Lluís; Izquierdo Zaragoza, José Luis; Paolucci, Francesco; Vela, Alba P.; Sgambelluri, Andrea; Ruiz Ramírez, Marc; Cugini, Filippo (2017-09-01)
    Article
    Open Access
    IEEE Network slices combine resource virtualization with the isolation level required by future 5G applications. In addition, the use of monitoring and data analytics help to maintain the required network performance, while ...
  • An in-operation planning tool architecture for flexgrid network re-optimization 

    Gifre Renom, Lluís; Castro Casales, Alberto; Ruiz Ramírez, Marc; Navarro, Nacho; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Restricted access - publisher's policy
    In-operation network planning consists in re-optimizing a network, currently being operated to transport traffic, either minimizing resource utilization or maximizing the transported traffic. In the context of flexgrid ...
  • 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)
    Conference report
    Restricted access - publisher's policy
    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 ...
  • Automated end to end Carrier Ethernet provisioning over a disaggregated WDM metro network with a hierarchical SDN control and monitoring platform 

    Morro, Roberto; Lucrezia, Francesco; Gomes, P.; Casellas Regi, Ramón; Giorgetti, Alessio; Velasco Esteban, Luis Domingo; Riccardi, Emilio; Chiadò Piat, Anna; Percelsi, Alessandro; Pedro, João; Gifre Renom, Lluís; Sgambelluri, Andrea; Risso, Fulvio; Marchetto, Guido (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Open Access
    This demo shows how a hierarchical control plane of ONOS SDN controllers orchestrates the dynamic provisioning of end-to-end Carrier Ethernet circuits on a composite network, programming the whole data path from the CPE ...
  • Autonomic disaggregated multilayer networking 

    Gifre Renom, Lluís; Izquierdo Zaragoza, José Luis; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2018-05-01)
    Article
    Open Access
    Focused on reducing capital expenditures by opening the data plane to multiple vendors without impacting performance, node disaggregation is attracting the interest of network operators. Although the software-defined ...
  • Autonomic NFV network services on top of disaggregated optical metro networks 

    Esmenats, P. R.; Casellas Regi, Ramon; Gifre Renom, Lluís; Pérez Vela, Alba; Ruiz Ramírez, Marc; Martínez, Ricardo; Velasco Esteban, Luis Domingo (2019)
    Conference report
    Restricted access - publisher's policy
    Control and orchestration of metro network to support dynamic provisioning and reconfiguration of services based on Virtual Network Functions are demonstrated through a CDN example. Interaction among CASTOR MDA, OSM and ...
  • 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 ...
  • Big data analytics in support of virtual network topology adaptability 

    Gifre Renom, Lluís; Contreras, Luis Miguel; Lopez Alvarez, Victor; Velasco Esteban, Luis Domingo (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 as input for VNT re-optimization. Experimental assessment is realized on ...
  • Brokered orchestration for end-to-end service provisioning across heterogeneous multi-operator (Multi-AS) optical networks 

    Castro Casales, Alberto; Velasco Esteban, Luis Domingo; Gifre Renom, Lluís; Chen, Cen; Yin, Jie; Zhu, Zuqing; Proietti, Roberto; Yoo, Sung-Joo Ben (2016-12-01)
    Article
    Open Access
    This paper proposes a new networking paradigm introducing the broker-plane above the management planes of Autonomous Systems (ASes). The brokers communicate with the manager of each AS to assist coordinate end-to-end ...
  • Building autonomic optical whitebox-based networks 

    Velasco Esteban, Luis Domingo; Sgambelluri, Andrea; Casellas Regi, Ramón; Gifre Renom, Lluís; Izquierdo Zaragoza, José Luis; Fresi, Francesco; Paolucci, Francesco; Martínez Rivera, Ricardo Victor; Riccardi, Emilio (Institute of Electrical and Electronics Engineers (IEEE), 2018-08-01)
    Article
    Open Access
    Disaggregation at the optical layer is expected to bring benefits to network operators by enriching the offering of available solutions and enabling the deployment of optical nodes that better fit their needs. In this ...
  • Carrier SDN for flexgrid-based inter-datacenter connectivity 

    Asensio Garcia, Adrian; Gifre Renom, Lluís; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Restricted access - publisher's policy
    Managing inter-datacenter (DC) connectivity to transport increasing amounts of data and optimize DC performance and costs becomes a challenge not only for DC operators but also for network operators. Current inter-DC ...
  • CASTOR: a monitoring and data analytics architecture to support autonomic domain and slice networking 

    Vela, A.P.; Gifre Renom, Lluís; González de Dios, Oscar; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Restricted access - publisher's policy
    Network slices combine resource virtualization with the isolation level required by future 5G applications. In addition, the use of Monitoring and Data Analytics (MDA) helps to maintain the required network performance, ...
  • CASTOR: a monitoring and data analytics framework to help operators understand what is going on in their networks 

    Pérez Vela, Alba; Gifre Renom, Lluís; González de Dios, Oscar; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Restricted access - publisher's policy
    CASTOR MDA allows collecting huge amounts of measurements from devices. Such data needs to be preprocessed and analyzed to discover and summarize knowledge that can be consumed by human operators. Helper tools are demonstrated ...
  • CASTOR: An architecture to bring cognition to transport networks 

    Velasco Esteban, Luis Domingo; Gifre Renom, Lluís; Izquierdo Zaragoza, José Luis; Julián Moreno, Guillermo; López de Vergara Méndez, Jorge E. (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Open Access
    CASTOR architecture to enable cognitive networking is demonstrated. Extended nodes make local decisions, whilst a centralized system beside the network controller makes network-wide decisions. Interaction with ONOS, Net2Plan, ...
  • Comparing single layer and multilayer approaches to serve multicast requests on flexgrid networks 

    Gifre Renom, Lluís; Ruiz Ramírez, Marc; Asensio Garcia, Adrian; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Restricted access - publisher's policy
    Advanced services require high bitrate multicast connectivity being provided by core transport networks. Multicast services can be supported by a tree connecting the source to every destination of the multicast request. ...
  • Dynamic core VNT adaptability based on predictive metro-flow traffic models 

    Morales Alcaide, Fernando; Gifre Renom, Lluís; 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. ...
  • Experimental assessment of ABNO-driven multicast connectivity in flexgrid networks 

    Gifre Renom, Lluís; Paolucci, Francesco; Gonzalez de Dios, Oscar; Velasco Esteban, Luis Domingo; Contreras, Luis Miguel; Cugini, Filippo; Castoldi, Piero; López Álvarez, Victor (2015-01-14)
    Article
    Open Access
    The increasing demand of internet services is pushing cloud services providers to increase the capacity of their data centers (DC) and create DC federations, where two or more cloud providers interconnect their infrastructures. ...