Publications

(Full text pre-prints available for download in some cases)

Journals, Magazines and Letters

  1. J. Baliosian, L.M. Contreras, P. Martínez-Julia, J. Serrat, “An Efficient Algorithm for Fast Edge Selection in Cloud-based Telco Networks”, accepted for publication in IEEE Communications Magazine, 2021.
  2. C. Guimarães, A. de la Oliva, L.M. Contreras, “Support for Availability Attributes in Network Slices in GANSO”, accepted for publication in Internet Technology Letters, 2021 (pdf).
  3. C. Guimarães, X. Li, C. Papagianni, J. Mangues-Bafalluy, L.M. Contreras, A. Garcia-Saavedra, J. Brenes, D. San Cristobal, J. Alonso, A. Zabala, J.-P. Kainulainen, A. Mourad, M. Lorenzo, C.J. Bernardos, “Public and Non-Public Network Integration for 5Growth Industry 4.0 Use Cases”, accepted for publication in IEEE Communications Magazine, 2021.
  4. L.M. Contreras, S. Barguil, R. Vilalta, V. Lopez, “Architecture for integrating vertical customer’s programmability control of network functions and connectivity in a slice-as-a-service schema”, accepted for publication in EURASIP Journal on Wireless Communications and Networking, 2021 (pdf).
  5. C. Guimarães, M. Groshev, L. Cominardi, A. Zabala, L.M. Contreras, S.T. Talat, C. Zhang, S. Hazra, A. Mourad, A. de la Oliva, “DEEP: A Vertical-Oriented Intelligent and Automated Platform for the Edge and Fog”, accepted for publication in IEEE Communications Magazine, 2021.
  6. I. Sarrigiannis, L.M. Contreras, K. Ramantas, A. Antonopoulos, C. Verikoukis, “Application as a Service Function Chain in a Fog-enabled C-V2X Architecture”, IEEE Network, vol. 34, no. 5, pp. 120-126, September/October 2020 (pdf).
  7. L.M. Contreras, C.J. Bernardos, “Overview of Architectural Alternatives for the Integration of ETSI MEC Environments from Different Administrative Domains”, in Electronics, Vol. 9, Issue 9, September 2020 (pdf).
  8. L.M. Contreras, L. Cominardi, J. Martín-Pérez, C.J. Bernardos, “Applicability of SDN and NFV techniques for a virtualization-based roaming solution”, in Journal of Network and Systems Management, vol. 28, no. 3, pp. 576-604, 2020.
  9. P. Iovanna, G. Bottari, F. Ponzini, L.M. Contreras, “Latency Driven Transport for 5G”, in IEEE/OSA Journal of Optical Communications and Networking (JOCN), Vol. 10, Issue 8, pp. 695-702, 2018.
  10. J. M. Fabrega, M. Svaluto Moreolo, L. Nadal, F. J. Vílchez, R. Casellas, R. Vilalta, R. Martínez, R. Muñoz, J. P. Fernández-Palacios, L.M. Contreras, “Experimental Validation of a Converged Metro Architecture for Transparent Mobile Front-/Back-Haul Traffic Delivery using SDN-enabled Sliceable Bitrate Variable Transceivers”, in IEEE/OSA Journal of Lightwave Technology (JLT), Vol. 36, Issue 7, pp. 1429-1434, April 2018 (pdf).
  11. R. Guerzoni, I. Vaishnavi, D. Perez-Caparros, A. Galis. F. Tusa, P. Monti, A. Sgambelluri, G. Biczók, B. Sonkoly, L. Toka, A. Ramos, J. Melián, O. Dugeon, F. Cugini, B. Martini, G. Giuliani, R. Figueiredo, L. M. Contreras, C. J. Bernardos, R. Szabó, “Analysis of End-to-End Multi-Domain Management and Orchestration Frameworks for Software Defined Infrastructures: an Architectural Survey”, in Transactions on Emerging Telecommunications Technologies, Vol. 28, Issue 4, 2017 (pdf).
  12. Ll. Gifre, M. Tornatore, L.M. Contreras, B. Mukherjee, L. Velasco, “ABNO-driven Content Distribution in the Telecom Cloud”, in Elsevier Optical Switching and Networks, vol. 26, pp. 25-38, 2017 (pdf).
  13. F. Morales, M. Ruiz, L. Gifre, L. M. Contreras, V. López, L. Velasco, “Virtual Network Topology Adaptability based on Data Analytics for Traffic Prediction”, in IEEE/OSA Journal of Optical Communications and Networking (JOCN), Vol. 9, Issue 1, pp. A35-A45, 2017.
  14. A. Asensio, M. Ruiz, L. M. Contreras, L. Velasco, “Dynamic Virtual Network Services to Support 5G Backhauling”, in IEEE/OSA Journal of Optical Communications and Networking (JOCN), vol. 8, pp. B93-B103, 2016 (pdf).
  15. M. Ruiz, M. Germán, L. M. Contreras, L. Velasco, “Big Data-backed Video Distribution in the Telecom Cloud”, in Elsevier Computer Communications, Volume 84, pp. 1-11, 2016 (pdf).
  16. L.M. Contreras, L. Cominardi, H. Qian, C.J. Bernardos, “Software-Defined Mobility Management: Architecture Proposal and Future Directions”, in ACM/Springer Mobile Applications and Networks, Volume 21, Issue 2, pp. 226-236, 2016.
  17. L.M. Contreras, P. Doolan, H. Lønsethagen, D.R.López, “Operation, organization and business challenges for network operators in the context of SDN and NFV”, in Elsevier Computer Networks, Volume 92, pp. 211-217, 2015.
  18. D. Bercovich, L.M. Contreras, Y. Haddad, A. Adam, C.J. Bernardos, “Opportunities for Software-Defined Wireless Transport Networks to Deploy a Flexible Mobile Backhaul”, in ACM/Springer Mobile Applications and Networks, Volume 20, Issue 6, pp. 793-801, 2015 (pdf).
  19. L. Velasco, L. M. Contreras, G. Ferraris, A. Stavdas, F. Cugini, M. Wiegand, J. P Fernández-Palacios, “A Service-Oriented Hybrid Access Network and Cloud Architecture”, in IEEE Communications Magazine, Vol. 53, No. 4, pp. 159-165, 2015 (pdf).
  20. Ll. Gifre, F. Paolucci, O. González de Dios, L. Velasco, L. M. Contreras, F. Cugini, P. Castoldi, V. López “Experimental Assessment of ABNO-driven Multicast Connectivity in Flexgrid Networks”, in Journal of Lightwave Technology, Vol. 33, Issue 8, pp. 1549-1556, 2015 (pdf).
  21. M.R. Sama, L. M. Contreras, J. Kaippallimalil, I. Akiyoshi, H. Qian , H. Ni, “Software-Defined Control of Virtualized Mobile Packet Core”, in IEEE Communications Magazine, Vol. 53, No. 2, pp. 107-115, 2015 (pdf).
  22. C.J. Bernardos, A. de la Oliva, P. Serrano, A. Banchs, L.M. Contreras, H. Jin, J.C. Zúñiga, “An Architecture for Software Defined Wireless Networking”, in IEEE Wireless Communication Magazine, Vol. 21, No. 3, pp. 52-61, 2014 (pdf).
  23. B. Belter, J. Rodriguez Martinez, J. I. Aznar, J. Ferrer Riera, L.M. Contreras, M. Antoniak-Lewandowska, M. Biancani, J. Buysse, C. Develder, Y. Demchenko, P. Donadio, D. Simeonidou, R. Nejabati, S. Peng, L. Drzewiecki, E. Escalona, J. A. Garcia-Espin, S. Gheorghiu, M. Ghijsen, J. Gutkowski, G.Landi, G. Carrozzo, D. Parniewicz, P. Robinson, S. Soudan, “The GEYSERS Optical Test-bed: a Platform for the Integration, Validation and Demonstration of Cloud-based Infrastructure Services”, in Elsevier Computer Networks, Vol. 61, pp. 197-215, March 2014 (pdf).
  24. J. Buysse, M. De Leenheer, L. M. Contreras, J. I. Aznar, J. Rodriguez Martinez, G. Landi, C. Develder, “NCP+: an integrated network and IT control plane for cloud computing”, in Elsevier Optical Switching and Networking, Vol. 11, pp. 137-152, 2014 (pdf).
  25. L.M. Contreras, V. López, O. González De Dios, A. Tovar, F. Muñoz, A. Azañón, J. P. Fernandez-Palacios, J. Folgueira, “Toward cloud-ready transport networks”, in IEEE Communications Magazine, Vol. 50, No. 9, pp. 48-55, 2012 (pdf).
  26. L.M. Contreras, C. J. Bernardos, I. Soto, “RAMS: A protocol extension to PMIPv6 for improving handover performance of multicast traffic”, in Journal of Wireless Mobile Networks, Ubiquitous Computing, and Dependable Applications (JoWUA), Vol.2, No. 2, pp. 67-82, 2011 (pdf).
  27. C.J. Bernardos, M. Gramaglia, L. M Contreras, M. Calderón, I. Soto, “Network-based localized IP mobility management: Proxy Mobile IPv6 and current trends in standardization”, in Journal of Wireless Mobile Networks, Ubiquitous Computing, and Dependable Applications (JoWUA), Vol.1, No. 2/3, pp. 16-35, 2010 (pdf).

Conferences and Workshops

  1. M. Pini, A. Minetto, A. Vesco, D. Berbecaru, L.M. Contreras, P. Nemry, I. De Francesca, T. García, K. Callewaert, “Satellite-derived time for enhanced telecom networks synchronization: the ROOT project”, IEEE International Workshop on Metrology for Aerospace, June 2021.
  2. L.M. Contreras, A. Solano, F.J. Cano Hila, J. Folgueira Chavarria, “Efficiency Gains due to Network Function Sharing in CDN-as-a-Service Slicing Scenarios”, IEEE Conference on Network Softwarization (NetSoft), Tokyo, Japan, June 2021.
  3. L.M. Contreras, J. Ordonez-Lucena, “On Slice Isolation Options in the Transport Network and Associated Feasibility Indicators”, IEEE Conference on Network Softwarization (NetSoft), Tokyo, Japan, June 2021.
  4. A. Alcalá, S. Barguil, V. López, L.M. Contreras, C. Manso, P. Alemany, R. Casellas, R. Martínez, D. González-Pérez, X. Liu, J.M. Pulido, J.P. Fernandez-Palacios, R. Muñoz, R. Vilalta, “Multi-layer Transport Network Slicing with Hard and Soft Isolation”, OSA Optical Fiber Communication Conference (OFC), June 2021.
  5. G. Matos, L.C. de Almeida, L.M. Contreras, F. Verdi, “When SRv6 meets 5G Core: Implementation and Deployment of a Network Service Chaining Function in SmartNICs”, 2021 P4 Workshop, May 2021.
  6. J. Zhang, L.M. Contreras, K. Gao, F. Cano, P. Diez Cano, A. Escribano, Y. R. Yang, “Sextant: Enabling Network-Aware Applications in Carrier Networks”, IFIP/IEEE International Symposium on Integrated Network Management, Bordeux, France, May 2021.
  7. D. Fernández, L.M. Contreras, R. Flores Moyano, S. García, “NFV/SDN Based Multiple Upstream Interfaces Multicast Proxy Service”, 24th Conference on Innovation in Clouds, Internet and Networks (ICIN), Paris, France, March 2021.
  8. J.T. Infiesta, C. Guimarães, L.M. Contreras, A. de la Oliva, “GANSO: Automating the Provisioning of Network Slices over SDN Infrastructures”, IEEE Conference on Network Function Virtualization and Software Defined Networks (IEEE NFV-SDN), Madrid, Spain, November 2020 (pdf).
  9. K. Gao, L.M. Contreras, S. Randriamasy, “Bi-directional Network and Application Interaction: Application Intents upon Abstracted Network Information”, Workshop on Network Application Integration/CoDesign (NAI 2020), ACM SIGCOMM, New York, USA, August 2020 (pdf).
  10. D. A. Lachos, Q. Xiang, C.E. Rothenberg, S. Randriamasy, L.M. Contreras, B. Ohlman, “Towards Deep Network & Application Integration: Possibilities, Challenges, and Research Directions”, Workshop on Network Application Integration/CoDesign (NAI 2020), ACM SIGCOMM, New York, USA, August 2020 (pdf).
  11. S. Bryant, U. Chunduri, T. Eckert, A. Clemm, L.M. Contreras, P. Diez Cano, “A novel hybrid distributed-routing and SDN solution for Traffic Engineering”, Applied Networking Research Workshop (ANRW), Madrid, Spain, July 2020 (pdf).
  12. D. A. Lachos, C.E. Rothenberg, Q. Xiang, Y.R. Yang, B. Ohlman, S. Randriamasy, L.M. Contreras, K. Gao, “Multi-Domain Information Exposure using ALTO: The Good, the Bad and the Solution”, Applied Networking Research Workshop (ANRW), Madrid, Spain, July 2020 (pdf).
  13. A. Solano, L.M. Contreras, “Information Exchange to Support Multi-Domain Slice Service Provision for 5G/NFV”, 2nd International Workshop on Network Slicing (Network Slicing 2020), co-located with the IFIP Networking 2020 Conference (NETWORKING 2020), Paris, France, June 2020 (pdf).
  14. J. Ordonez-Lucena, C. Tranoris, J. Rodrigues, L.M. Contreras, “Cross-domain Slice Orchestration for Advanced Vertical Trials in a Multi-Vendor 5G Facility”, European Conference on Networks and Communications (EuCNC), Dubrovnik, Croatia, 2020.
  15. S. Clayman, F. Tusa, A. Galis, L.M. Contreras, “WIM on-demand – A modular approach for managing network slices”, IEEE Conference on Network Softwarization (NetSoft), Ghent, Belgium, June 2020 (pdf).
  16. L.M. Contreras, J. Baliosian, P. Martinez-Julia, J. Serrat, “Computing at the edge, but what edge?”, IEEE/IFIP Network Operations and Management Symposium (NOMS), Budapest, Hungary, April 2020 (pdf).
  17. M. Lashgari, C. Natalino, L.M. Contreras, P. Monti, “Cost Benefits of Centralizing Service Processing in 5G Network Infrastructures”, Asia Communications and Photonics Conference (ACP 2019), November 2019 (pdf).
  18. L.M. Contreras, Ó. González, V. López, J.P. Fernández-Palacios, J. Folgueira, “iFUSION: Standards-based SDN Architecture for Carrier Transport Network”, IEEE Conference on Standards for Communications and Networking (CSCN), Granada, Spain, October 2019 (pdf).
  19. J. Ordonez-Lucena, J. Folgueira, L.M. Contreras, A. Pastor Perales. “The use of 5G Non-Public Networks to support Industry 4.0 scenarios”, IEEE Conference on Standards for Communications and Networking (CSCN), Granada, Spain, October 2019 (pdf).
  20. J. Garcia-Reinoso, M. Molla, E. Kosmatos, G. Landi, G. Bernini, R. Legouable, L.M. Contreras, M. Lorenzo, “The 5G-EVE Multi-site Experimental Architecture”, IEEE 5G World Forum conference, October 2019.
  21. D.A. Lachos, C.E. Rothenberg, Q. Xiang, Y.R. Yang, B. Ohlman, S. Randriamasy, F. Weaver, L. M. Contreras, “Supporting Multi-domain Use Cases with ALTO”, Applied Networking Research Workshop (ANRW), Montreal, Canada, July 2019 (pdf).
  22. L.M. Contreras, L. Luque, G. Landi, G. Bernini, G. Carrozzo, J. García-Reinoso, M. Mollà-Roselló, “Interworking of softwarized infrastructures for enabling 5G multi-site slice orchestration”, IEEE Conference on Network Softwarization (NetSoft), June 2019.
  23. L. Mo, W. Cheng, L.M. Contreras, “ZTE 5G Transport Solution and Joint Field Trials with Global Operators”, in Proc. Optical Fiber Conference (OFC), March 2019.
  24. P. Iovanna, S. Stracca, F. Ubaldi, F. Cavaliere, G. Vall-Llosera, L.M. Contreras, “Network Convergence in 5G Transport”, in Proc. Optical Fiber Conference (OFC), March 2019.
  25. F.S. Dantas Silva, M.O.O. Lemos, A. Medeiros, A.V. Neto, R. Pasquini, D. Moura, C. Rothenberg, L. Mamatas, S.L. Correa, K. Vieira Cardoso, C. Marcondes, A. Abelem, M. Nascimento, A. Galis, L.M. Contreras, J. Serrat, P. Papadimitriou, “NECOS Project: Towards Lightweight Slicing of Cloud Federated Infrastructures”, in Proc. of the IEEE NetSoft, Montreal, June 2018 (pdf).
  26. J. Kim, L.M. Contreras, P. Greto, H. Magnusson, H. Woesner, D. Fritzsche, L. Cominardi, C.J. Bernardos, “GiLAN Roaming: Roam Like at Home in a Multi-Provider NFV Environment”, in Proc. of the IEEE International Symposium on Networks, Computers and Communications (ISNCC), Rome, June 2018.
  27. M.Á. Vázquez-Castro, L.M. Contreras, “Softwarization of Network Coding Functions and Logical Mapping to SDN”, in Proc. of the IEEE International Symposium on Networks, Computers and Communications (ISNCC), Rome, June 2018.
  28. R. Vilalta, R. Casellas, R. Martínez, R. Muñoz Y. Lee, H. Zheng, Y. Lin, V. López, L. M. Contreras, “Fully automated peer service orchestration of cloud and network resources using ACTN and CSO”, in Proc. of the 22nd International Conference on Optical Network Design and Modeling (ONDM), 2018 (pdf).
  29. S. González, A. de la Oliva, L.M. Contreras, C.J. Bernardos, “Towards a resilient OpenFlow channel through MPTCP”, in Proc. of the IEEE International Symposium on Broadband Multimedia Systems and Broadcasting, Valencia, June 2018 (pdf).
  30. L.M. Contreras, H. Asaeda, C.J. Bernardos, N. Leymann, “Enabling new multicast distribution architectures through the introduction of IGMP/MLD proxy with multiple upstream interfaces”, in Proc. of the IEEE International Symposium on Broadband Multimedia Systems and Broadcasting, Valencia, June 2018.
  31. L. Cominardi, L.M. Contreras, C.J. Bernardos, I. Berberana, “Understanding QoS applicability in 5G transport networks”, in Proc. of the IEEE International Symposium on Broadband Multimedia Systems and Broadcasting, Valencia, June 2018 (pdf).
  32. P. Trakadas, P. Karkazis, H.-C. Leligou, T. Zahariadis, W. Tavernier, T. Soenen, S. van Rossem, L.M. Contreras, “Scalable Monitoring for Multiple Virtualized Infrastructures for 5G Services”, in Proc. of the 7th International Conference on Networks (ICN 2018) Athens, April 2018.
  33. B. Gerö, D. Jocha, R. Szabó, J. Czentye, D. Haja, B. Németh, B. Sonkoly, M. Szalay, L. Toka., C.J. Bernardos, L.M. Contreras, “The Orchestration in 5G Exchange – a Multi-Provider NFV Framework for 5G Services”, in Proc. of the IEEE Conference on Network Function Virtualization and Software Defined Networks 2017, Berlin, Germany.
  34. J.M. Fabrega, M. Svaluto Moreolo, L. Nadal, F. Javier Vílchez, R. Casellas, R. Vilalta, R. Martínez, R. Muñoz, Juan P. Fernández-Palacios, Luis M. Contreras, “Experimental Validation of a Converged Metro Architecture for Transparent Mobile Front-/Back-Haul Traffic Delivery using SDN-enabled Sliceable Bitrate Variable Transceivers”, in ECOC 2017.
  35. T. Deiß, J. Baranda, L. Cominardi, L.M. Contreras, J. Gomes, S. Gonzalez, P. Iovanna, J. Mangues-Bafalluy, N. Molner, J. Núñez-Martínez, A. de Oliva, S. Stracca, “Dataplane Measurements on a Fronthaul and Backhaul Integrated Network”, in CLEEN 2017.
  36. J.M. Fabrega, M. Svaluto Moreolo, L. Nadal, F.J. Vílchez, J.P. Fernández-Palacios, L.M. Contreras, “Mobile front-/back-haul delivery in elastic metro/access networks with sliceable transceivers based on OFDM transmission and direct detection”, in ICTON 2017.
  37. R. Casellas, R. Vilalta, A. Mayoral, R. Martínez, R. Muñoz, L. M. Contreras, “Control Plane Architectures Enabling Transport Network Adaptive and Autonomic Operation”, in ICTON 2017.
  38. V. López, R. Jiménez, O. González de Dios, L.M. Contreras, J.P. Fernández Palacios, “Open Source Netphony Suite: Enabling Multi-layer Network Programmability”, in ONDM 2017.
  39. L.M. Contreras, C.J. Bernardos, A. de la Oliva, X. Costa-Pérez, “Sharing of Crosshaul Networks via a Multi-Domain Exchange Environment for 5G Services”, in IEEE Conference on Network Softwarization (NetSoft), July 2017 (pdf).
  40. R. Vilalta, Y. Lee, H. Zheng, Y. Lin, R. Casellas, A. Mayoral, R. Martinez, R. Muñoz, L. M. Contreras, V. Lopez, “Fully Automated Peer Service Orchestration of Cloud and Network Resources Using ACTN and CSO”, in Proc. Optical Fiber Conference (OFC), March 2017.
  41. A. Sgambelluri, A. Milani, J. Czentye, J. Melian, W. Y. Poe, F. Tusa, O. Gonzalez de Dios, B. Sonkoly, M. Gharbaoui, F. Paolucci, E. Meini, G. Giuliani, A. Ramos, P. Monti, L. M. Contreras, I. Vaishnavi, C. J. Bernardos, R. Szabó, “A Multi-Operator Network Service Orchestration Prototype: The 5G Exchange”, in Proc. Optical Fiber Conference (OFC), March 2017 (pdf).
  42. F. Paolucci, V. Uceda, A. Sgambelluri, F. Cugini, O. Gonzalez De Dios, V. Lopez, L.M. Contreras, P. Monti, P. Iovanna, F. Ubaldi, T. Pepe, P. Castoldi, “Interoperable Multi-Domain Delay-aware Provisioning using Segment Routing Monitoring and BGP-LS Advertisement”, in Proceedings of the 42nd European Conference and Exhibition on Optical Communications (ECOC), Düsseldorf, Germany, September 2016.
  43. V. López, L.M. Contreras, Ó. González de Dios, J.P. Fernández-Palacios, “Towards a Transport SDN for Carrier Networks: An Evolutionary Approach”, in Proceedings of the 21st European Conference on Network and Optical Communications (NOC), Lisbon, Portugal, June 2016.
  44. G. Gardikis, S. Costicoglou, H. Koumaras, Ch. Sakkas, G. Xilouris, F. Arnal, L. M. Contreras, P. Aranda, M. Guta, “NFV Applicability and Use Cases in Satellite Networks”, in Proc. of the 25th Edition of the European Conference on Networks and Communications (EuCNC), Athens, Greece, June 2016 (pdf).
  45. L.M. Contreras, C.J. Bernardos, A. de la Oliva, X. Costa-Pérez, R. Guerzoni, “Orchestration of Crosshaul Slices from Separated Administrative Domains”, in Proc. of the 25th Edition of the European Conference on Networks and Communications (EuCNC), Athens, Greece, June 2016 (pdf).
  46. X. Li, G. Landi, J. Núñez-Martínez, R. Casellas, S. González, C.-F. Chiasserini, J. Rivas, D. Siracusa, L. Goratti, D. Jimenez, L. M. Contreras, “Innovations through 5G-Crosshaul Applications”, in Proc. of the 25th Edition of the European Conference on Networks and Communications (EuCNC), Athens, Greece, June 2016 (pdf).
  47. V. López, L.M. Contreras, Ó. González de Dios, J.P. Fernández-Palacios, “Towards a Transport SDN for Carrier Networks: An Evolutionary Approach”, in Proceedings of the 21st European Conference on Network and Optical Communications (NOC), Lisbon, Portugal, June 2016.
  48. Ll. Gifre, L.M. Contreras, V. López, L. Velasco “Big Data Analytics in Support of Virtual Network Topology Adaptability”, in Proc. Optical Fiber Conference (OFC), Anneheim, March 2016 (pdf).
  49. A. Asensio, M. Ruiz, L.M. Contreras, L. Velasco, G. Junyent, “Dynamic Customer Virtual Network Reconfiguration with QoS and Bandwidth Guarantees”, in the Proceedings of the 41st European Conference on Optical Communication (ECOC), Valencia, Spain, September 2015. (pdf).
  50. F. Ubaldi, P. Iovanna, F. Giurlanda, S. Noto, A. Priola, L.M. Contreras, V. López, J.P. Fernández-Palacios, “Effective Elasticity for Data Centers Interconnection in Multi-Domain WAN: Information Modelling and Routing”, in the Proceedings of the 41st European Conference on Optical Communication (ECOC), Valencia, Spain, September 2015. (pdf).
  51. P. Iovanna, F. Ubaldi, T. Pepe, L.M. Contreras, V. López, J.P. Fernández-Palacios, “Main Challenges on WAN due to NFV and SDN: Multi-layer and Multi-domain Network Virtualization and Routing”, in Optical Networking Design and Modeling (ONMD), May 2015 (pdf).
  52. A. Asensio, L.M. Contreras, M. Ruiz, V. López, L. Velasco, “Scalability of Telecom Cloud Architectures for Live-TV Distribution”, in Proc. Optical Fiber Conference (OFC), March 2015 (pdf).
  53. V. López, O. González de Dios, L.M. Contreras, J. Foster, H. Silva, L. Blair, J. Marsella, T. Szyrkowiec, A. Autenrieth, C. Liou, A. Sasdasivarao, S. Syed, J. Sun, B. Rao, F. Zhang, J.P. Fernández-Palacios, “Demonstration of SDN Orchestration in Optical Multi-Vendor Scenarios”, in Proc. Optical Fiber Conference (OFC), March 2015 (pdf).
  54. Ll. Gifre, F. Paolucci, J. Marhuenda, A. Aguado, L. Velasco, F. Cugini, P. Castoldi, O. Gonzalez de Dios, L.M. Contreras, V. Lopez, “Experimental Assessment of Inter-datacenter Multicast Connectivity for Ethernet services in Flexgrid Networks”, in European Conference on Optical Communications (ECOC) 2014 (pdf).
  55. T. Szyrkowiec, A. Autenrieth, J-P. Elbers, W. Kellerer, P. Kaczmarek, V. López, L.M. Contreras, O. Gonzalez de Dios, J. P. Fernández-Palacios, R. Muñoz, R. Vilalta, R. Casellas, R. Martínez, A. Mayoral, M. Channegowda, S. Peng, R. Nejabati and D. Simeonidou, “Demonstration of SDN Based Optical Network Virtualization and Multidomain Service Orchestration”, in the Third European Workshop on Software Defined Networking (EWSDN), Sep 2014.
  56. J. González, F. Álvarez, L.M. Contreras, Ó. González, “Interdomain Monitoring and Internetworking Connectivity in Federated Infrastructures based on Software Defined Networking”, Proceedings of 2014 European Conference on Networks and Communications (EuCNC), Bologna, June, 2014 (pdf).
  57. R. Muñoz, R. Vilalta, R.Casellas, R. Martínez, L.M. Contreras, V. López, J.P. Fernández-Palacios, O. González de Dios, S. Peng, M. Channegowda, R. Nejabati, D. Simeonidou, X. Cao, N. Yoshikane, T. Tsuritani, A. Autenrieth, M. Schlosser, “Network Virtualization, Control Plane and Service Orchestration of the ICT STRAUSS Project”, Proceedings of 2014 European Conference on Networks and Communications (EuCNC), Bologna, June, 2014.
  58. E. Escalona, J.I. Aznar, L.M. Contreras, O. González de Dios, G. Cossu, E. Salvadori, F.M. Facca, “Using SDN for Cloud services provisioning: the XIFI use case”, in Proceedings of IEEE 1st Workshop on Software Defined Networks for Future Networks and Services (SDN4FNS), Trento, Italy, 2013.
  59. L.M. Contreras, C.J. Bernardos, “Optimal Distribution of Remotely-Subscribed Multicast Traffic within a Proxy Mobile IPv6 Domain by Using Explicit Multicast”, in Proceedings of JITEL, Granada, Spain, 2013 (pdf).
  60. Y. Demchenko, C. Ngo, C. de Laat, J. A. Garcia-Espin, S. Figuerola, J. Rodriguez, L.M. Contreras, G. Landi, N. Ciulli, “Intercloud Architecture Framework for Heterogeneous Cloud based Infrastructure Services Provisioning On-Demand”, in Proceedings of the 2013 27th International Conference on Advanced Information Networking and Applications Workshops, pp. 777-784, Barcelona, Spain, 2013 (pdf).
  61. A-F. Antonescu, P. Robinson, L.M. Contreras, J. Aznar, S. Soudan, F. Anhalt, J. A. Garcia-Espin, “Towards Cross Stratum SLA Management with the GEYSERS Architecture”, in Proceedings of the 10th IEEE International Symposium on Parallel and Distributed Processing with Applications (ISPA), pp. 527-533, Leganés, Spain, 2012 (pdf).
  62. L.M. Contreras, C. J. Bernardos, I. Soto, “On the efficiency of a dedicated LMA for multicast traffic distribution in PMIPv6 domains”, in Proceedings of the Fifth ERCIM Workshop on e-Mobility, pp. 51-62, Vilanova i la Geltrù, Spain, 2011 (pdf).
  63. L.M. Contreras, F. Escrihuela. “VoIP transmission in Fixed Wireless Access networks based on DECT Packet Radio Service”, XIII International Symposium on Services and Local accesS, ISSLS 2000, Stockolm, Sweden, June 2000 (pdf).

Book Chapters

  1. L. M. Contreras, “Slicing challenges for operators”, in Emerging Automation Techniques for the Future Internet, M. Boucadair and C. Jacquenet (Eds.), IGI Global, 2019 (reprinted in Research Anthology on Developing and Optimizing 5G Networks and the Impact on Society, IGI Global, 2021) .
  2. L. M. Contreras, V. López, R. Vilalta, R. Casellas, R. Muñoz, W. Jiang, H. Schotten, J. Alcaraz-Calero, Q. Wang, B. Sonkoly and L. Toka, “Network Management and Orchestration”, in 5G System Design – Architectural and Functional Considerations and Long Term Research, P. Marsch, Ö. Bulakci, O. Queseth, M. Boldi (Eds.), Wiley, 2018.
  3. M. Gramaglia, A. Kaloxylos, P. Spapis, X. Costa, L. M. Contreras, R. Trivisonno, G. Zimmermann, A. de la Oliva, P. Rost, P. Marsch, “E2E Architecture”, in 5G System Design – Architectural and Functional Considerations and Long Term Research, P. Marsch, Ö. Bulakci, O. Queseth, M. Boldi (Eds.), Wiley, 2018.
  4. G. Biczók, M. Dramitinos, H. Lønsethagen, L.M. Contreras, G.D. Stamoulis, L. Toka, “Towards multi-operator IPTV services over 5G networks”, in A Comprehensive Guide to IPTV Delivery Networks, Suliman Mohamed Fati, Saiful Azad, Al-Sakib Khan Pathan (Eds.), Wiley, 2018.
  5. A. Asensio, L.M. Contreras, M. Ruiz, L. Velasco, “Dynamic connectivity services in support of future mobile networks”, in Provisioning, Recovery and In-Operation Planning in Elastic Optical Networks, L. Velasco, M. Ruiz (Eds.), Wiley, October, 2017.
  6. L.M. Contreras, V. López, O. González de Dios, F. Jiménez, J. Rodríguez, J.P. Fernández-Palacios, “Migration Path Towards Cloud-Aware Core Networks”, in Communication Infrastructures for Cloud Computing: Design and Applications, H.T. Mouftah and B. Kantarci (Eds.), IGI Global, September, 2013.

Other

  1. L.M. Contreras, D. López, “A Network Service Provider Perspective on Network Slicing”, IEEE Softwarization, Month 2018, available at: https://sdn.ieee.org/newsletter/january-2018/a-network-service-provider-perspective-on-network-slicing
  2. P. Robinson, A.-F. Antonescu, F. Anhalt, J. Aznar, E. Escalona, J. A. García-Espín, L. M. Contreras, P. Vicat-Blanc, “SLA Management for Composite Infrastructure as a Service”, FP7 GEYSERS project white paper, 2012 (pdf).

Talks

  1. L.M. Contreras, “The role of service providers’ network for supporting edge computing in 5G and beyond”, presentation at the ECOC 2020 workshop “Post 5G edge cloud computing: why, what and when?”, Brussels, Belgium, (going virtual), December 2020.
  2. L.M. Contreras, “5G and beyond Transport Networks: challenges and technology drivers”, presentation in the 5G-VINNI workshop on emerging technologies for smart networks and services (virtual event), November 2020.
  3. L.M. Contreras, “The Operator Point of View on Transport Network” presentation at the workshop “Not just phone calls and messages where new telecommunication technologies (5G) are hiding?”, organized by the 5GSolutions project in collaboration with the IEEE ComSoc EMEA Region board (on-line), September 2020.
  4. L.M. Contreras, “Transport slicing – ongoing work at IETF with a personal view”, Second International Workshop on Network Slicing – Network Slicing 2020, co-located with the IFIP Networking 2020 Conference (NETWORKING 2020), Paris, France, June 2020 (going virtual).
  5. L.M. Contreras, “Evolutionary trends in operators’ networks for beyond 5G”, workshop on The role of computing in the post 5G-era: Architectures and enabling technologies, co-located with the 24th International Conference on Optical Network Design and Modelling (ONDM 2020), Castelldefels, Spain, May 2020 (going virtual).
  6. L.M. Contreras, “Towards a standardized transport slicing architecture in operator networks”, 5th IEEE International Workshop on Orchestration for Software Defined Infrastructures (O4SDI), co-located with the 2020 IEEE/IFIP Network Operations and Management Symposium (NOMS 2020), Budapest, Hungary, April 2020 (going virtual).
  7. L.M. Contreras, “Network 2030 – Implications of the new technologies for an operator”, Sixth ITU Workshop on Network 2030, Lisbon, Portugal, January 2020.
  8. L.M. Contreras, “Networking the cloud, cloudifying the network”, invited special session at the IEEE International Conference on Cloud Networking (CloudNet), Coimbra, Portugal,  November 2019.
  9. L.M. Contreras, “5G + Cloudification = Slicing”, NECOS Industrial Workshop, Campinas, Brazil, October 2019.
  10. L.M. Contreras, R. Lafetá, “Lightweight Cloud Slicing: The NECOS Project”, 5G Core Summit, Madrid, Spain, September 2019.
  11. L.M. Contreras, “Federating MEC and Telco Cloud environments for multi-domain slice provision”, in the workshop on Multi-provider, multi-vendor, multi-player orchestration: from distributed cloud to edge and fog environments in 5G, at EuCNC 2018, Ljubljana, Slovenia, June 2018.
  12. L.M. Contreras, “Ongoing transformations in transport networks: how making all them work”, Keynote at the IEEE/IFIP Network Operations and Management Symposium, Taipei, Taiwan, April 2018.
  13. L.M. Contreras, “Telefonica path towards 5G – exploration of new capabilities for transport networks”, 39th meeting of the Wireless Word Research Forum , Castelldefels, Spain, October 2017.
  14. L.M. Contreras,”Slicing across multiple administrative domains”, 39th meeting of the Wireless Word Research Forum , Castelldefels, Spain, October 2017.
  15. L.M. Contreras, “Programmability, Virtualization, Automation and Slicing as Foundation of Next 5G Telco Networks”, Keynote at the 3rd Open International Workshop on Elastic Networks and 5G organized by the Spanish academic interest group ElasticNetworks, Castelldefels, Spain, October 2017.
  16. L.M. Contreras, “The ingredients of the new networks – SDN, NFV and Slicing in the evolution towards 5G”, Network System Research Institute, National Institute of Information and Communications Technology (NICT), Tokyo, Japan, July 2017.
  17. L.M. Contreras, “The ingredients of the new networks – SDN, NFV and Slicing in the evolution towards 5G”, Nakao Research Laboratory, Daiwa Ubiquitous Computing Research Building, University of Tokyo, Japan, June 2017.
  18. L.M. Contreras, “SDN initiatives in the Telefonica group”, Telefonica Business Solutions event “DECIDE”, Madrid, Spain, April 2017.
  19. L.M. Contreras, “Microwave POC overview and demo”, Workshop on OpenDayLight and NFV/SDN Orchestration at the 5TONIC Laboratory, Leganés, Spain, October 2016.
  20. L.M. Contreras, “Connecting Multiple SDN/NFV Administrative Domains”, 4th Annual Network Virtualization & SDN Europe, Madrid, Spain, June, 2016.
  21. L.M. Contreras, “Control Plane for High Capacity Networks”, 5th International Workshop on Trends in Optical Technologies, Campinas-São Paulo, Brazil, May, 2016.
  22. L.M. Contreras, “Operation, organization and business challenges for network operators in the context of SDN and NFV”, FUSECO Forum, Berlin, November 2015.
  23. L.M. Contreras, “5G backhauling”, FUSECO Forum, Berlin, November 2015
  24. P. Congdon, L.M. Contreras, A. de la Oliva, S. Manning, R. Marks, J.C. Zuniga, “Wireless SDN in Access and Backhaul”, IEEE 802 Plenary, Dallas, November, 2013.
  25. L.M. Contreras, “Hiperlan 2”, within the course “21st Century Telecommunications in the Home and Office: WLAN and WPAN networks”, XVI Laredo Summer Courses, Universidad de Cantabria,  Laredo, Spain, 24th -28th of July 2000.

Further contributions

Apart from the publications above, I have contributed to the following work: