Now showing items 1-12 of 12

  • 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 ...
  • Elastic Networks thematic network results I: Planning and control of Flex-Grid/SDM 

    Moreno Muro, Francisco Javier; Rumipamba Zambrano, Rubén Darío; Perelló Muntan, Jordi; Pavón Mariño, Pablo; Solé Pareta, Josep; Martínez, Ricardo; Casellas Regi, Ramón; Vilalta, Ricard; Muñoz González, Raul; Mata Sáez, Javier; Ruiz Pérez, Lidia; Merayo Álvarez, Noemí; Miguel Jiménez, Ignacio de; Durán Barroso, Ramón J. (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Open Access
    This paper overviews the approach of the Elastic Networks research network to address different issues of planning and control of Flex-Grid/SDM optical networks. Firstly, we present the Net2Plan open-source planning tool ...
  • Experimental assessment of bulk path restoration in multi-layer networks using PCE-based global concurrent optimization 

    Castro Casales, Alberto; Martínez, Ricardo; Casellas Regi, Ramón; Velasco Esteban, Luis Domingo; Muñoz, Raúl; Vilalta, Ricard; Comellas Colomé, Jaume (2014-01-01)
    Article
    Restricted access - publisher's policy
    Generalized multi-protocol label switching-based multi-layer networks (MLN) combining packet and optical switching lead to jointly leverage intrinsic per-layer benefits such as statistical multiplexing and huge transport ...
  • Experimental evaluation of a dynamic PCE-based regenerator-efficient IA-RWA algorithm in translucent WSON 

    Castro Casales, Alberto; Martínez, Ricardo; Velasco Esteban, Luis Domingo; Casellas Regi, Ramón; Muñoz González, Raul; Comellas Colomé, Jaume (2012)
    Conference report
    Open Access
    We devise a novel dynamic PCE-based impairment-aware RWA algorithm in translucent GMPLS WSON that minimizes regenerator usage. Experimental evaluation carried out on the Open GMPLS/PCE control plane of CTTC ADRENALINE ...
  • Experimental evaluation of a full-meshed domain abstraction design model for reduced state information dissemination in multi-domain PCE-based WSONs 

    Pagès, Albert; Casellas, Ramon; Perelló Muntan, Jordi; Martínez, Ricardo; Spadaro, Salvatore; Muñoz, Raul (2011)
    Conference lecture
    Restricted access - publisher's policy
    A novel full-meshed domain abstraction model for scalable state information in PCEbased WSONs is presented. We experimentally evaluate the state information update reduction and the blocking improvement with regard to a ...
  • Experimental study on the impact of regenerator placement strategies when dynamically provisioning in translucent GMPLS WSON networks 

    Martínez, Ricardo; Casellas, Ramon; Muñoz, Raul; García Manrubia, Bélen; Pavón Mariño, Pablo; Klinkowski, Miroslaw; Careglio, Davide (Optical Society of America, 2011)
    Conference report
    Open Access
    The impact of the regenerator placement strategies when dynamically provisioning connections in translucent WSON is studied. The evaluation is experimentally conducted in the ADRENALINE testbed in terms of the connection ...
  • Experimental validation of active frontend - backend stateful PCE operations in flexgrid optical network re-optimization 

    Martínez, Ricardo; Gifre Renom, Lluís; Casellas Regi, Ramón; Velasco Esteban, Luis Domingo; Muñoz González, Raul; Vilalta, Ricard (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Restricted access - publisher's policy
    A PCE-based strategy for LSP re-optimization in flexgrid optical networks is experimentally validated. A front- and back-end stateful PCE architecture is deployed, wherein automatic and coordinated operations (e.g., ...
  • Experimental validation of end-to-end GMPLS-enabled restoration in multi-domain transparent WSON 

    Martínez, Ricardo; Casellas, Ramon; Velasco Esteban, Luis Domingo; Agraz Bujan, Fernando; Muñoz, Raul; Spadaro, Salvatore (IEEE Computer Society Publications, 2010)
    Conference report
    Open Access
    Two GMPLS restoration strategies operating at wavelength and link granularities are experimentally validated in a multi-domain WSON. The strategies are qualitatively compared in terms of resource usage, restorability and ...
  • GMPLS-based multidomain restoration: analysis, strategies, policies and experimental assessment 

    Velasco Esteban, Luis Domingo; Agraz Bujan, Fernando; Martínez, Ricardo; Casellas, Ramon; Spadaro, Salvatore; Muñoz, Raul; Junyent Giralt, Gabriel (IEEE Press. Institute of Electrical and Electronics Engineers, 2010-07-01)
    Article
    Restricted access - publisher's policy
    A connection spanning, for example, several countries crosses multiple optical backbone networks, each one controlled by different administrators or operators. In this context, the interworking of these networks is thus ...
  • Regenerator allocation in translucent networks under inaccurate physical information 

    Marín Tordera, Eva; Yannuzzi, Marcelo; Masip Bruin, Xavier; Sánchez López, Sergio; Martínez, Ricardo; Muñoz, Raul; Casellas, Ramon (2009-12-14)
    Conference report
    Open Access
    Optimized regenerator allocation techniques select which of the already installed regenerators in a translucent network must be used in order to maximize the quality of the optical signal while minimizing the opaqueness ...
  • TelcoFog: A unified flexible fog and cloud computing architecture for 5G networks 

    Vilalta, Ricard; López Álvarez, Victor; Giorgetti, Alessio; Peng, Shuping; Orsini, Vittorio; Velasco Esteban, Luis Domingo; Serral Gracià, René; Morris, Donald; Fina, Silvia de; Cugini, Filippo; Castoldi, Piero; Mayoral, Arturo; Casellas Regi, Ramón; Martínez, Ricardo; Verikoukis, Christos; Ricart Muñoz, Raul (2017-08-01)
    Article
    Open Access
    Telecom operators require cloud computing and storage infrastructures, integrated with their heterogeneous access and transport networks, in order to provide software defined networking (SDN), network functions virtualization ...
  • The Effects of Optimized Regenerator Allocation in Trans-lucent Networks under Inaccurate Physical information 

    Marín Tordera, Eva; Yannuzzi, Marcelo; Masip Bruin, Xavier; Sánchez López, Sergio; Martínez, Ricardo; Muñoz, Raul; Casellas, Ramon; Maier, Guido (2010-02-04)
    Conference lecture
    Open Access
    Optimized regenerator allocation techniques select which of the already installed regenerators in a translucent network must be used in order to maximize the quality of the optical signal while minimizing the opaqueness ...