Exploració per autor "Martínez, Ricardo"
Ara es mostren els items 1-16 de 16
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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)
Text en actes de congrés
Accés restringit per política de l'editorialControl 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, Raül; 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)
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Accés obertThis 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 ... -
End-to-end intent-based networking
Velasco Esteban, Luis Domingo; Signorelli, Marco; González de Dios, Oscar; Papagianni, Chrysa; Bifulco, Roberto; Vegas Olmos, Juan J.; Pryor, Simon; Carrozzo, Gino; Schulz-Zander, Julius; Bennis, Mehdi; Martínez, Ricardo; Cugini, Filippo; Salvadori, Claudio; Lefebvre, Vincent; Valcarenghi, Luca; Ruiz Ramírez, Marc (2021-10)
Article
Accés obertTo reap its full benefits, 5G must evolve into a scalable decentralized architecture by exploiting intelligence ubiquitously and securely across different technologies, network layers, and segments. In this article, we ... -
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
Accés restringit per política de l'editorialGeneralized 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, Raül; Comellas Colomé, Jaume (2012)
Text en actes de congrés
Accés obertWe 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)
Comunicació de congrés
Accés restringit per política de l'editorialA 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)
Text en actes de congrés
Accés obertThe 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, Raül; Vilalta, Ricard (Institute of Electrical and Electronics Engineers (IEEE), 2014)
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Accés restringit per política de l'editorialA 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)
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Accés obertTwo 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
Accés restringit per política de l'editorialA 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 ... -
Impact of multi-vendor transponders performance on design margin in optical networks
Mahajan, Ankush; Christodoulopoulos, Konstantinos; Martínez, Ricardo; Muñoz, Raul; Spadaro, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2021-01-01)
Article
Accés obertFor reliable and efficient network planning and operation, accurate estimation of Quality of Transmission (QoT) is necessary. In optical networks, a physical layer model (PLM) is typically used as a QoT estimation tool ... -
Modeling EDFA gain ripple and filter penalties with machine learning for accurate QoT estimation
Mahajan, Ankush; Christodoulopoulos, Konstantinos; Martínez, Ricardo; Spadaro, Salvatore; Muñoz, Raul (Institute of Electrical and Electronics Engineers (IEEE), 2020-05-01)
Article
Accés obertFor reliable and efficient network planning and operation, accurate estimation of Quality of Transmission (QoT) before establishing or reconfiguring the connection is necessary. In optical networks, a design margin is ... -
Peer-to-Peer blockchain-based NFV service platform for End-to-End network slice orchestration across multiple NFVI domains
Alemany Prats, Pol; Vilalta Cañellas, Ricard; Muñoz González, Raül; Casellas, Ramon; Martínez, Ricardo (2020)
Text en actes de congrés
Accés obertThis paper presents a non-hierarchical architecture to deploy End-to-End Network Slices in a multi-domain network using an Ethereum-based Blockchain to manage the Network Slicing requests across domains. The use of ... -
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)
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Accés obertOptimized 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
Accés obertTelecom 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)
Comunicació de congrés
Accés obertOptimized 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 ...