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  • On the benefits of multi-path recovery in flexgrid optical networks

     Castro Casales, Alberto; Velasco Esteban, Luis; Comellas Colome, Jaume; Junyent Giralt, Gabriel
    Photonic network communications
    Vol. 28, num. 3, p. 251-263
    DOI: 10.1007/s11107-014-0443-5
    Date of publication: 2014-12-01
    Journal article
  • On the performance of dynamic source aggregation of sub-wavelength connections in EONs

     Sayyad Khodashenas, Pouria; Comellas Colome, Jaume; Perello Muntan, Jordi; Spadaro, Salvatore; Junyent Giralt, Gabriel
    International Conference on Transparent Optical Networks
    p. 6876273-1-6876273-4
    DOI: 10.1109/ICTON.2014.6876273
    Presentation's date: 2014-07
    Presentation of work at congresses
  • A comparison of elastic and multi-rate optical networks performance

     Sayyad Khodashenas, Pouria; Pomares, D.; Perello Muntan, Jordi; Spadaro, Salvatore; Comellas Colome, Jaume
    International Conference on Transparent Optical Networks
    p. 6876268-1-6876268-4
    DOI: 10.1109/ICTON.2014.6876268
    Presentation's date: 2014-07
    Presentation of work at congresses
  • Dynamic Routing and Spectrum Allocation in Elastic Optical Networks  Open access

     Sayyad Khodashenas, Pouria
    Department of Signal Theory and Communications, Universitat Politècnica de Catalunya
    Theses
  • Using spectrum fragmentation to better allocate time-varying connections in elastic optical networks

     Sayyad Khodashenas, Pouria; Comellas Colome, Jaume; Spadaro, Salvatore; Perello Muntan, Jordi; Junyent Giralt, Gabriel
    Journal of optical communications and networking
    Vol. 6, num. 5, p. 433-440
    DOI: 10.1364/JOCN.6.000433
    Date of publication: 2014-05-01
    Journal article
  • Optimal route, spectrum, and modulation level assignment in split-spectrum-enabled dynamic elastic optical networks

     Pages Cruz, Albert; Perello Muntan, Jordi; Spadaro, Salvatore; Comellas Colome, Jaume
    Journal of optical communications and networking
    Vol. 6, num. 2, p. 114-126
    DOI: 10.1364/JOCN.6.000114
    Date of publication: 2014-02-01
    Journal article
  • Wavelength Selective Switches time requirements for shared path protection in ASON/GMPLS rings

     Velasco Esteban, Luis; Spadaro, Salvatore; Comellas Colome, Jaume; Junyent Giralt, Gabriel
    European Conference on Optical Communication
    p. 1-2
    Presentation of work at congresses
  • Grup de comunicacions òptiques

     Junyent Giralt, Gabriel; Prat Goma, Josep; Ruiz Moreno, Sergio; Soneira Ferrando, M. Jose; Spadaro, Salvatore; Santos Blanco, María Concepción; Gené Bernaus, Joan M.; Lazaro Villa, Jose Antonio; Velasco Esteban, Luis; Pérez Pueyo, Rosanna; Segarra Mullerat, Josep; Polo Querol, Victor Manuel; Agraz Bujan, Fernando; Ruiz Ramírez, Marc; Cano Valadez, Ivan Nicolas; Sales Zaragoza, Vicente; Sayyad Khodashenas, Pouria; Pages Cruz, Albert; Castro Casales, Alberto; Gifre Renom, Lluis; Tabares Giraldo, Jeison; Escayola Elias, Francisco Javier; Chu, Guangyong; Comellas Colome, Jaume
    Competitive project
  • 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; Muñoz González, Raul; Vilalta, Ricard; Comellas Colome, Jaume
    Journal of lightwave technology
    Vol. 32, num. 1, p. 81-90
    DOI: 10.1109/JLT.2013.2290588
    Date of publication: 2014-01-01
    Journal article
  • A GRASP with path-relinking heuristic for the survivable IP/MPLS-over-WSON multi-layer network optimization problem

     Pedrola Escriba, Oscar; Ruiz Ramírez, Marc; Velasco Esteban, Luis; Careglio, Davide; Gonzalez de Dios, Oscar; Comellas Colome, Jaume
    Computers & operations research
    Vol. 40, num. 12, p. 3174-3187
    DOI: 10.1016/j.cor.2011.10.026
    Date of publication: 2013-12
    Journal article
  • Multi-gigabit European Research and Education Network and Associated Services

     Junyent Giralt, Gabriel; Gifre Renom, Lluis; Castro Casales, Alberto; Asensio Garcia, Adrian; Comellas Colome, Jaume; Ruiz Ramírez, Marc; Velasco Esteban, Luis
    Competitive project
  • A column generation approach for large-scale RSA-based network planning

     Ruiz Ramírez, Marc; Zotkiewicz, Mateusz; Velasco Esteban, Luis; Comellas Colome, Jaume
    International Conference on Transparent Optical Networks
    p. 1-4
    DOI: 10.1109/ICTON.2013.6603034
    Presentation's date: 2013-06
    Presentation of work at congresses
  • An elastic networks OMNeT++-based simulator

     Asensio Garcia, Adrian; Castro Casales, Alberto; Velasco Esteban, Luis; Comellas Colome, Jaume
    International Conference on Transparent Optical Networks
    p. Tu.C1.2-1-Tu.C1.2-4
    DOI: 10.1109/ICTON.2013.6602814
    Presentation's date: 2013-06
    Presentation of work at congresses
  • Global concurrent optimization: advantages and opportunities in flexgrid-based networks

     Castro Casales, Alberto; Velasco Esteban, Luis; Comellas Colome, Jaume; Junyent Giralt, Gabriel
    International Conference on Transparent Optical Networks
    p. Mo.C4.1-1-Mo.C4.1-4
    DOI: 10.1109/ICTON.2013.6602714
    Presentation's date: 2013-06
    Presentation of work at congresses
  • Impact of aggregation level on the performance of dynamic lightpath adaptation under time-varying traffic

     Asensio Carmona, Adrian; Klinkowski, Miroslaw; Ruiz Ramírez, Marc; Lopez, Victor Bohorquez; Castro Casales, Alberto; Velasco Esteban, Luis; Comellas Colome, Jaume
    International Conference on Optical Network Design and Modeling
    p. 184-189
    Presentation's date: 2013-04
    Presentation of work at congresses
  • A traffic intensity model for flexgrid optical network planning under dynamic traffic operation

     Ruiz Ramírez, Marc; Velasco Esteban, Luis; Comellas Colome, Jaume; Junyent Giralt, Gabriel
    Optical Fiber Communication Conference and Exposition and National Fiber Optic Engineers Conference
    DOI: 10.1364/OFC.2013.OTu3A.6
    Presentation's date: 2013-03
    Presentation of work at congresses
  • Dynamic restoration in multi-layer IP/MPLS-over-flexgrid networks

     Castro Casales, Alberto; Velasco Esteban, Luis; Comellas Colome, Jaume; Junyent Giralt, Gabriel
    Design of Reliable Communication Networks (DRCN)
    p. 155-162
    Presentation's date: 2013-03
    Presentation of work at congresses
  • Experimental validation of dynamic restoration in GMPLS-controlled multi-layer networks using PCE-based global concurrent optimization

     Martínez, Ricardo; Castro Casales, Alberto; Casellas Regi, Ramón; Muñoz González, Raul; Velasco Esteban, Luis; Vilalta, Ricardo; Comellas Colome, Jaume
    Optical Fiber Communication Conference and Exposition and National Fiber Optic Engineers Conference
    p. 1-3
    DOI: 10.1364/OFC.2013.OW4G.3
    Presentation's date: 2013
    Presentation of work at congresses
  • Extending the flexgrid optical core towards the edges

     Velasco Esteban, Luis; Ruiz Ramírez, Marc; Castro Casales, Alberto; Comellas Colome, Jaume
    International Conference on Transparent Optical Networks
    p. 1-4
    DOI: 10.1109/ICTON.2013.6602717
    Presentation of work at congresses
  • Elastic spectrum allocation for time-varying traffic in flexgrid optical networks

     Klinkowski, Miroslaw; Ruiz Ramírez, Marc; Velasco Esteban, Luis; Careglio, Davide; López Álvarez, Victor; Comellas Colome, Jaume
    IEEE journal on selected areas in communications
    Vol. 31, num. 1, p. 26-38
    DOI: 10.1109/JSAC.2013.130104
    Date of publication: 2013-01
    Journal article
  • Modeling the routing and spectrum allocation problem for flexgrid optical networks

     Velasco Esteban, Luis; Klinkowski, Miroslaw; Ruiz Ramírez, Marc; Comellas Colome, Jaume
    Photonic network communications
    Vol. 24, num. 3, p. 177-186
    DOI: 10.1007/s11107-012-0378-7
    Date of publication: 2012-12
    Journal article
  • Industry-Driven Elastic and Adaptive Lambda Infrastructure for Service and Transport Networks

     Ruiz Ramírez, Marc; Castro Casales, Alberto; Comellas Colome, Jaume; Junyent Giralt, Gabriel; Gifre Renom, Lluis; Asensio Garcia, Adrian; Velasco Esteban, Luis
    Competitive project
  • Experimental evaluation of a dynamic PCE-based regenerator-efficient IA-RWA algorithm in translucent WSON  Open access

     Castro Casales, Alberto; Martínez, Ricardo; Velasco Esteban, Luis; Casellas Regi, Ramón; Muñoz González, Raul; Comellas Colome, Jaume
    European Conference and Exhibition on Optical Communication
    p. 1-3
    DOI: 10.1364/ECEOC.2012.Tu.4.D.3
    Presentation's date: 2012-09
    Presentation of work at congresses
    Access to the full text
  • On the performance of flexgrid-based optical networks

     Velasco Esteban, Luis; Ruiz Ramírez, Marc; Pedrola Escriba, Oscar; Castro Casales, Alberto; Klinkowski, Miroslaw; Careglio, Davide; Comellas Colome, Jaume
    International Conference on Transparent Optical Networks
    p. 1-4
    DOI: 10.1109/ICTON.2012.6254418
    Presentation's date: 2012-07
    Presentation of work at congresses
  • Single-path provisioning with multi-path recovery in flexgrid optical networks

     Castro Casales, Alberto; Velasco Esteban, Luis; Ruiz Ramírez, Marc; Comellas Colome, Jaume
    International Congress on Ultra Modern Telecommunications and Control Systems and Workshops
    p. 745-751
    DOI: 10.1109/ICUMT.2012.6459763
    Presentation's date: 2012-05-03
    Presentation of work at congresses
  • Value optimization of survivable multilayer IP/MPLS-over-WSON networks

     Velasco Esteban, Luis; González de Dios, Óscar; Ricciardi, Sergio; Castro Casales, Alberto; Muñoz, Fernando; Careglio, Davide; Comellas Colome, Jaume
    Photonic network communications
    Vol. 23, num. 3, p. 246-258
    DOI: 10.1007/s11107-011-0354-7
    Date of publication: 2012-05-01
    Journal article
  • Enhanced optical networks featuring adaptable and highly scalable multi-granular transport services

     Ruiz Ramírez, Marc; Junyent Giralt, Gabriel; Comellas Colome, Jaume; Gené Bernaus, Joan M.; Conesa Fernandez, Josep; Velasco Esteban, Luis; Perello Muntan, Jordi; Agraz Bujan, Fernando; Hernandez Sola, Guillem; Pages Cruz, Albert; Sayyad Khodashenas, Pouria; Castro Casales, Alberto; Spadaro, Salvatore
    Competitive project
  • Enhanced Optical Networks Featuring Adaptable and Highly Scalable Multi-granular Transport Services (ELASTIC) - TEC2011-27310

     Junyent Giralt, Gabriel; Spadaro, Salvatore; Comellas Colome, Jaume; Gené Bernaus, Joan M.; Velasco Esteban, Luis; Perello Muntan, Jordi; Conesa Fernandez, Josep; Agraz Bujan, Fernando; Ruiz Ramírez, Marc; Hernandez Sola, Guillem; Pages Cruz, Albert; Sayyad Khodashenas, Pouria
    Competitive project
  • Path-based recovery in flexgrid optical networks

     Castro Casales, Alberto; Ruiz Ramírez, Marc; Velasco Esteban, Luis; Junyent Giralt, Gabriel; Comellas Colome, Jaume
    International Conference on Transparent Optical Networks
    p. 1-4
    DOI: 10.1109/ICTON.2012.6254479
    Presentation's date: 2012
    Presentation of work at congresses
  • Optical network net present value optimization in shared path protection environments

     Ruiz Ramírez, Marc; Velasco Esteban, Luis; Comellas Colome, Jaume; Junyent Giralt, Gabriel
    Design of Reliable Communication Networks
    p. 38-45
    DOI: 10.1109/DRCN.2011.6076883
    Presentation's date: 2011-10-10
    Presentation of work at congresses
  • A GRASP-based heuristic to design the GMPLS control plane network topology with resilience guarantees

     Ruiz Ramírez, Marc; Velasco Esteban, Luis; Junyent Giralt, Gabriel; Comellas Colome, Jaume
    International Conference on Transparent Optical Networks
    p. Mo.B3.4-1-Mo.B3.4-4
    DOI: 10.1109/ICTON.2011.5970780
    Presentation's date: 2011-06-28
    Presentation of work at congresses
  • Scalable hybrid path computation procedure for PCE-based

     Hernandez Sola, Guillem; Perello Muntan, Jordi; Agraz Bujan, Fernando; Spadaro, Salvatore; Comellas Colome, Jaume; Junyent Giralt, Gabriel
    International Conference on Transparent Optical Networks
    p. 1-4
    Presentation's date: 2011-06-27
    Presentation of work at congresses
  • NORMA: Network Operator Revenues Maximization

     Velasco Esteban, Luis; Ruiz Ramírez, Marc; Comellas Colome, Jaume; Junyent Giralt, Gabriel
    International Conference on Transparent Optical Networks
    p. 1-4
    DOI: 10.1109/ICTON.2011.5970938
    Presentation's date: 2011-05-27
    Presentation of work at congresses
  • A feedback-based hybrid OBS/OCS architecture with fast-over-slow capability  Open access

     Sayyad Khodashenas, Pouria; Perello Muntan, Jordi; Spadaro, Salvatore; Comellas Colome, Jaume; Junyent Giralt, Gabriel
    International Conference on Optical Network Design and Modeling
    Presentation's date: 2011-02-08
    Presentation of work at congresses
    Access to the full text
  • Service and resource differentiation in shared-path protection environments to maximize network operator's revenues  Open access

     Velasco Esteban, Luis; Ruiz Ramírez, Marc; Perello Muntan, Jordi; Spadaro, Salvatore; Comellas Colome, Jaume
    Journal of optical communications and networking
    Vol. 3, num. 2, p. 117-126
    DOI: 10.1364/JOCN.3.000117
    Date of publication: 2011-02
    Journal article
    Access to the full text
  • GMPLS control plane network design with resilience guarantees

     Ruiz Ramírez, Marc; Perello Muntan, Jordi; Velasco Esteban, Luis; Spadaro, Salvatore; Comellas Colome, Jaume; Junyent Giralt, Gabriel
    Journal of lightwave technology
    Vol. 29, num. 1, p. 37-47
    DOI: 10.1109/JLT.2010.2090648
    Date of publication: 2011-01-01
    Journal article
  • Scalable hybrid path computation procedure for PCE-based multi-domain WSON networks

     Hernandez Sola, Guillem; Perello Muntan, Jordi; Agraz Bujan, Fernando; Spadaro, Salvatore; Comellas Colome, Jaume; Junyent Giralt, Gabriel
    International Conference on Transparent Optical Networks
    p. 1-4
    DOI: 10.1109/ICTON.2011.5970767
    Presentation's date: 2011
    Presentation of work at congresses
  • Deployment and validation of GMPLS-controlled multi-layer integrated routing over the ASON/GMPLS CARISMA test-bed

     Agraz Bujan, Fernando; Velasco Esteban, Luis; Perello Muntan, Jordi; Ruiz Ramírez, Marc; Spadaro, Salvatore; Junyent Giralt, Gabriel; Comellas Colome, Jaume
    Journal of networks
    Vol. 5, num. 11, p. 1321-1327
    DOI: 10.4304/jnw.5.11.1321-132
    Date of publication: 2010-11
    Journal article
  • Experimental UpdateLess Evolutive Routing

     Junyent Giralt, Gabriel; Comellas Colome, Jaume; Cabellos Aparicio, Alberto; Careglio, Davide; Perello Muntan, Jordi; Sole Pareta, Josep; Agraz Bujan, Fernando; Joan Arinyo, Robert; Spadaro, Salvatore
    Competitive project
  • Scalable path computation flooding approach for PCE-based multi-domain networks

     Perello Muntan, Jordi; Hernandez Sola, Guillem; Agraz Bujan, Fernando; Spadaro, Salvatore; Comellas Colome, Jaume
    ETRI journal
    Vol. 32, num. 4, p. 622-625
    DOI: 10.4218/etrij.10.0210.0063
    Date of publication: 2010-08
    Journal article
  • projecte GEYSERS

     Spadaro, Salvatore; Junyent Giralt, Gabriel; Comellas Colome, Jaume; Perello Muntan, Jordi
    Competitive project
  • Analysis of traffic engineering information dissemination strategies in PCE-based multi-domain optical networks  Open access

     Spadaro, Salvatore; Perello Muntan, Jordi; Hernandez Sola, Guillem; Moreno, A.; Agraz Bujan, Fernando; Comellas Colome, Jaume; Junyent Giralt, Gabriel
    International Conference on Transparent Optical Networks
    p. 1-4
    DOI: 10.1109/ICTON.2010.5549261
    Presentation's date: 2010-06-28
    Presentation of work at congresses
    Access to the full text
  • Performance evaluation of a hybrid OBS/OCS network with QoS differentiation based on packet loss/delay requirements  Open access

     Perello Muntan, Jordi; Guinea, Nuria de; Spadaro, Salvatore; Junyent Giralt, Gabriel; Comellas Colome, Jaume
    International Conference on Transparent Optical Networks
    p. 1-4
    DOI: 10.1109/ICTON.2010.5549287
    Presentation's date: 2010-06-28
    Presentation of work at congresses
    Access to the full text
  • Proceso de inversión de competencias genéricas en los nuevos planes de estudios de grado de la ETSETB de acuerdo con el modelo CDIO  Open access

     Bragos Bardia, Ramon; Alarcon Cot, Eduardo Jose; Cabrera Bean, Margarita Asuncion; Calveras Auge, Ana M.; Comellas Colome, Jaume; O'callaghan Castella, Juan Manuel; Pegueroles Valles, Josep Rafel; Prat Viñas, Luis; Saez Moreno, German; Sarda Ferrer, Joan; Sayrol Clols, Elisa
    Congreso de Tecnologías Aplicadas a la Enseñanza de la Electrónica
    p. 1-9
    Presentation's date: 2010-04-13
    Presentation of work at congresses
    Access to the full text
  • Scalable, Tunable and Resilient Optical Networks Guaranteeing Extremely-high Speed Transport

     Spadaro, Salvatore; Sole Pareta, Josep; Perello Muntan, Jordi; Careglio, Davide; Velasco Esteban, Luis; Junyent Giralt, Gabriel; Comellas Colome, Jaume
    Competitive project
  • Mixed integration of CDIO skills into telecommunication engineering curricula

     Sayrol Clols, Elisa; Bragos Bardia, Ramon; Alarcon Cot, Eduardo Jose; Cabrera Bean, Margarita Asuncion; Calveras Auge, Ana M.; Comellas Colome, Jaume; O'callaghan Castella, Juan Manuel; Pegueroles Valles, Josep Rafel; Pla, E; Prat Viñas, Luis; Saez Moreno, German; Sarda Ferrer, Joan; Tallon Montoro, Carme
    Elektronika ir elektrotechnika
    Vol. 6, num. 102, p. 127-130
    Date of publication: 2010
    Journal article
  • Using updated neighbor state information for efficient contention avoidance in OBS networks

     Perello Muntan, Jordi; Agraz Bujan, Fernando; Spadaro, Salvatore; Comellas Colome, Jaume; Junyent Giralt, Gabriel
    Computer communications
    Vol. 33, num. 1, p. 65-72
    DOI: 10.1016/j.comcom.2009.08.002
    Date of publication: 2010-01
    Journal article
  • An analytical model for GMPLS control plane resilience quantification  Open access

     Ruiz Ramírez, Marc; Perello Muntan, Jordi; Velasco Esteban, Luis; Spadaro, Salvatore; Comellas Colome, Jaume
    IEEE communications letters
    Vol. 13, num. 12, p. 977-979
    DOI: 10.1109/LCOMM.2009.12.091550
    Date of publication: 2009-12
    Journal article
    Access to the full text
  • Demonstration of GMPLS-controlled Integrated IP/WDM routing over a Grooming-capable ASON/GMPLS Network Test-bed

     Perello Muntan, Jordi; Velasco Esteban, Luis; Agraz Bujan, Fernando; Spadaro, Salvatore; Comellas Colome, Jaume; Junyent Giralt, Gabriel
    European Conference on Optical Communication
    p. 1-2
    Presentation's date: 2009-09-22
    Presentation of work at congresses
  • Controlled loops for quality-of-service differentiation in delay-sensitive optical burst switching networks

     Perello Muntan, Jordi; Spadaro, Salvatore; Comellas Colome, Jaume; Junyent Giralt, Gabriel
    IET communications
    Vol. 3, num. 8, p. 1263-1273
    Date of publication: 2009-08
    Journal article