Ramon Casellas – Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)

Packet Optical Networks and Services (PONS)

Phd , Researcher

Email: ramon.casellas@cttc.catPhone: +34 93 645 29 00

Ramon Casellas (Barcelona, 1975) graduated in Telecommunications Engineering in 1999 both from Technical University of Catalonia (UPC, Barcelona) and from the Ecole Nationale Supérieure des Télécommunications (ENST, Paris, now Telecom Paristech) in the framework of the Erasmus student exchange program (double degree, specialization in Communications (UPC) and Networks and Compute Science (ENST). He completed a PhD degree in Telecommunications in 2002, from the Ecole Nationale Supérieure des Télécommunications (ENST, Paris) funded by a CTI project with France Telecom Research and Development. He has worked as an undergraduate researcher at France Telecom Research and Development – FT R&D formerly known as Centre Nationale d’Etudes des Télecommunications (Issy les Molineaux, France) and British Telecom Labs (Ipswich, UK).

In 2002, he joined the Networks and Computer Science Department at the ENST as an Associate Professor (Maïtre de Conférences) and, in March 2006, he joined the CTTC Optical Networking Area, where he currently holds a Senior Researcher position. His research interest areas include GMPLS/PCE architecture, Software Defined Networking (SDN), Network Function Virtualization (NFV), Traffic Engineering and Distributed control schemes, with applications to Optical and Disaggregated Transport Networks.

Participation in Projects and Industrial Grants

Participation in over 40 R&D projects funded by the European Commission’s Framework Programmes (H2020, FP7, FP6, CELTIC), including leading work-packages related to control plane and SDN (FP7 ICT IP IDEALIST project, H2020 METRO-HAUL), as well as in the Spanish research programmes (Proyecto I+D, Red Temática, CENIT, PROFIT,..).

Participated and led several research grant projects and technology transfer activities with Industry actors (such as Alcatel, Telefónica, KDDI R&D Labs, KDDI Corporation, Huawei or ZTE).

Developed and Transferred control plane software for optical networks (CTTC Path Computation Element, PCE).

Ms.C and Ph.D. advisor

Supervised 1 Ph.D. thesis (CTTC/UPC, 2012, on the topic on GMPLS provisioning in multi-layer networks), and over 17 Ms.C. / PFC (ENST Paris, France, 1999-2005)

Member of 5 Ph.D. thesis committees (2006-2019).

Dissemination, Scientific Publications and Standardization activities

Co-authored 5 book chapters, over 200 international and peer-reviewed journal and conference papers (including over 70 journals ranked in the first quartile Q1, several OFC and ECOC top-scored papers, invited papers and several tutorials) and 1 patent.

Co-authored 6 and contributed to > 10 Internet Engineering Task Force (IETF) Request For Comments (RFCs), in the TEAS, PCE and CCAMP Working Groups and several internet drafts ( https://www.arkko.com/tools/allstats/ramoncasellas.html )

Google Scholar (as of 2020/07) Citations: 4367. h-index 34, i10-index 133,

Research Gate Profile (https://www.researchgate.net/profile/Ramon_Casellas) RG Score 37.19 ( over 95%)’

Contributor of the Open Networking Foundation (ONF); member of the Open Disaggregated Transport Networks (ODTN) project use case and software working groups.

Open Source software developer (ONOS Open Source SDN Controller).

ORCID ID: http://orcid.org/0000-0002-2663-6571

MISCELLANEOUS

Memberships

IEEE Senior Member (SM’2012)
IEEE Communications Society (ComSoc) member.
Internet Society Member.
IEEE ComSoc instructor on the topic of SDN for Optical Networks.
Optical Society of America (OSA) member (2018).

Reviewer Tasks and editorial boards (Selected)

Reviewer for IEEE/OSA Journal of Lightwave Technology (JLT), IEEE/OSA Journal of Optical Communications and Networking (JOCN), Elsevier Optical Fiber Technology (OFT), OSA Optics Express (OE), Optical Switching and Networking (OSN), IEEE Communications Magazine (CommMag), IEEE Networks, IEEE Letters.
Recognized Reviewer for IEEE/OSA Journal of Lightwave Technology and Journal of Optical Communications and Networking, (2014, 1015)
Associate Editor of IEEE/OSA Journal of Optical Communications and Networking (JOCN)

Roles in Conferences (Selected)

OSA Optical Fiber Conference (OFC) 2017 N2 Sub-committee “Control and management of multilayer networks”; Organizer,
- Organizer of Open Platform Summit
- Chair of the SDN/NFV Demo Zone
- OFC 2017 Short Course Instructor – Introduction to the Control and Management of Optical Networks.
OSA Optical Fiber Conference (OFC) 2018 N2 Sub-committee Chair, “Control and management of multilayer networks”
- Organizer, Open Platform Summit
- Chair of the SDN/NFV Demo Zone
- Short Course Instructor – Software Defined Networking for Optical Networks: a Practical Introduction,
OSA Optical Fiber Conference (OFC) 2019 N3 Sub-committee member, “Architectures and software-defined control for metro and core networks”
- Organizer OFC Demo Zone
- Chair of the panel on “Network Infrastructure Virtualization and Network Slicing”
- Short Course Instructor
OSA Optical Fiber Conference (OFC) 2020 N3 Sub-committee member, “Architectures and software-defined control for metro and core networks”
- Short Course Instructo
OSA Optical Fiber Conference (OFC) 2021 Program Chair for the N-Track (N1 – N5 subcommitees),
IEEE/IFIP Optical Networks Design and Modelling (ONDM) 2018, Technical Program Committee Chair (TPC Chair) Dublin, Ireland
IEEE/IFIP Optical Networks Design and Modelling (ONDM) 2020, General Chair Castelldefels, Spain.
International Conference on IP + Optical Network (iPOP) TPC Member (2015-2020)
IEEE SDN/NFV Technical Programme Committee (TPC) member, including Main Track, Poster Track, Demo Track and MOBISLICE, O4SDI Workshops.
OECC/PSC2019 Organizer, Symposium: Future technologies for optical transport network support of post 5G mobile service
Past TPC Member of EUCNC, EWSDN, OPTICS and Globecom.
Past European Conference on Optical Networks (ECOC) TPC member in Sub-committee 6 (Core, Metro and Data Center Networks)

Misc

Participation in the 5G-PPP Software Networks and Architecture Working Groups.
External expert for the French National Research Agency (ANR).
CTTC Internal testbed coordinator (ADRENALINE Testbed).

Other Grants and Mentions

Erasmus/Sócrates Grant (1997).
Ph.D Grant (CTI Grant) with France Telecom Research and Development (FT R&D Centre Nationale d’études des Télécoms, CNET, 1999).
Qualified as “Maïtre de Conférences” (equiv, Associate Professor) (ENST, France, 2002).
Torres-Quevedo Research Grant (Spanish Ministerio de Educación y Ciencia, 2006-2009).
Spotlight in Optics for the paper “Highly-available SDN control of Flexi-grid Networks with Network Function Virtualization enabled replication”, Journal of Optical Communications and Networking, 2017
Light-reading mention OSA OFC2013 paper R. Casellas et al “An Integrated Stateful PCE / OpenFlow controller for the Control and Management of Flexi-Grid Optical Networks”.

TERAFLOW - Secured autonomic traffic management for a Tera of SDN flows 101015857

INT5GENT - Integrating 5G enabling technologies in a holistic service to physical layer 5G system platform 957403

CiViQ - CiViQ 820466

INSPIRE-5GPlus - INSPIRE-5Gplus INtelligent Security and Pervasive tRust for 5G and Beyond 871808

5GROWTH - 5G-enabled Growth in Vertical Industries 856709

AURORAS - Autonomic and disaggregated optical networks leveraging edge computing and photonic technologies RTI2018-099178-B-I00

5GCroCo - 5G Cross-border Control 825050

PASSION - Photonic technologies for progrAmmable transmission and switching modular systems based on Scalable Spectrum/space aggregation for future agIle high capacity metrO Networks 780326

5G CAR - 5GB connected car 761510

BLUESPACE - Building on the Use of Spatial Multiplexing 5G Networks Infrastructures and Showcasing Advanced technologies and Networking Capabilties 762055

5G-TRANSFORMER - 5G Mobile Transport Platform for Verticals 761536

5GTANGO - 5GTANGO 761493

2017 SGR_1195 - 2017 SGR_1195 2017 SGR 01195

DESTELLO - Dynamic flexible orchestration of data centers and programmable elastic optical networks and systems TEC2015-69256-R

5G-Crosshaul - The 5G Integrated fronthaul/backhaul 671598

FARO - Integrating control and transmission technologies for flexib TEC2012-38119

COMBO - COnvergence of fixed and Mobile BrOadband access/aggregation networks 317762

Guest Editorial Introduction to the OFC 2023 Special Issue

JOURNAL OF LIGHTWAVE TECHNOLOGY. Vol. 42. No. 3. pp. 1003- January 2024.

Casellas R., Cole C., Li M.-J., Karinou F., Fontaine N., Wong E.

10.1109/JLT.2024.3355788 Google Scholar

Enabling Capacity Scaling in Metro Networks with Multi Band Sliceable Transceiver Architectures

Proceedings of SPIE. Vol. 12894. January 2024.

Nadal, L, Moreolo, MS, Fàbrega, JM, Vílchez, FJ, Casellas, R

10.1117/12.3000888 Google Scholar

Providing Anomalous Behaviour Profiling by extending SmartNIC Transceiver support in Packet-Optical Networks

2024 Optical Fiber Communications Conference And Exhibition, Ofc 2024 - Proceedings. January 2024.

Vilalta R., Vílchez F.J., Gifre L., Manso C., Carcel-Cervera J.L., Leira R., Aracil-Rico J., Fernández-Palacios J.P., Martínez R., Casellas R., Muñoz R.

Google Scholar

Control of Packet over Multi-Granular Optical Networks combining Wavelength, Waveband and Spatial Switching For 6G transport

2024 Optical Fiber Communications Conference And Exhibition, Ofc 2024 - Proceedings. January 2024.

Muñoz R., Lohani V., Casellas R., Martínez R., Vilalta R.

Google Scholar

Photonic device programmability in support of autonomous optical networks

Journal of Optical Communications and Networking. Vol. 16. No. 8. pp. 53-63 January 2024.

Casellas R., Nadal L., Martinez R., Vilalta R., Munoz R., Svaluto Moreolo M.

10.1364/JOCN.521947 Google Scholar

Advanced optical transceiver and switching solutions for next-generation optical networks

Journal of Optical Communications and Networking. Vol. 16. No. 8. pp. 64-75 January 2024.

Nadal, L, Martínez, R, Ali, M, Vílchez, FJ, Fàbrega, JM, Moreolo, MS, Casellas, R

10.1364/JOCN.522102 Google Scholar

Roadmap on optical communications

JOURNAL OF OPTICS. Vol. 26. No. 9. January 2024.

Agrell, E, Karlsson, M, Poletti, F, Namiki, S, Chen, X, Rusch, LA, Puttnam, B, Bayvel, P, Schmalen, L, Tao, ZN, Kschischang, FR, Alvarado, A, Mukherjee, B, Casellas, R, Zhou, X, van Veen, D, Mohs, G, Wong, E, Mecozzi, A, Alouini, MS, Diamanti, E, Uysal, M

10.1088/2040-8986/ad261f Google Scholar

Continuous-Variable Quantum Key Distribution for Enabling Sustainable Secure 6G Networks

Proceedings Of The 2024 International Conference On Optical Network Design And Modeling, Ondm 2024. January 2024.

Moreolo M.S., Iqbal M., Villegas A., Nadal L., Casellas R., Munoz R.

10.23919/ONDM61578.2024.10582608 Google Scholar

Exploiting GNN and DRL for Online Service Provisioning Over Elastic Optical Networks

Proceedings Of The 2024 International Conference On Optical Network Design And Modeling, Ondm 2024. January 2024.

Hernandez-Chulde C., Casellas R., Martinez R., Vilalta R., Munoz R.

10.23919/ONDM61578.2024.10582766 Google Scholar

Continuous-Variable Quantum Key Distribution for Enabling Sustainable Secure 6G Networks

Proceedings Of The 2024 International Conference On Optical Network Design And Modeling, Ondm 2024. January 2024.

Moreolo, MS, Iqbal, M, Villegas, A, Nadal, L, Casellas, R, Muñoz, R

Google Scholar

Exploiting GNN and DRL for online service provisioning over Elastic Optical Networks

Proceedings Of The 2024 International Conference On Optical Network Design And Modeling, Ondm 2024. January 2024.

Hernández-Chulde, C, Casellas, R, Martínez, R, Vilalta, R, Muñoz, R

Google Scholar

Network Extensions to Support Robust Secured and Efficient Connectivity Services for V2X Scenario

. January 2024.

Abishek A., Vilalta R., Gifre L., Alemany P., Manso C., Casellas R., Martínez R., Muñoz R.

10.1109/ICTON62926.2024.10647509 Google Scholar

Node Architectures for High-Capacity Multi-band over Space Division Multiplexed (MBoSDM) Optical Networks

. January 2024.

Souza A., Costa N., Nadal L., Casellas R., Melgar A., Rivas-Moscoso J.M., Quagliotti M., Riccardi E., Napoli A., Pedro J.

10.1109/ICTON62926.2024.10647929 Google Scholar

Experimental Validation of an Efficient DRL-based Routing and Spectrum Assignment for Optical Network Automation

. January 2024.

Hernández-Chulde C., Casellas R., Martínez R., Vilalta R., Muñoz R.

10.1109/ICTON62926.2024.10647671 Google Scholar

Autonomous Control Operations for Energy-Efficient Packet Optical Networks

. January 2024.

Martínez R., Casellas R., Hernández-Chulde C., Vílchez F.J., Vilalta R., Muñoz R., De Dios O.G., Fernández-Palacios J.P.

10.1109/ICTON62926.2024.10648263 Google Scholar

Security and Trust in Open and Disaggregated 6G networks

. January 2024.

Alemany P., Muñoz R., Vilalta R., Gifre L., Martínez R., Casellas R., Castro M., Ferreira P., Moreira D., García J., Cunha J., Núñez I., Gómez G., Castro S., Pastor A., López D.

10.1109/ICTON62926.2024.10647935 Google Scholar

On the Control of Multi-Function Reprogrammable Silicon Chip for ROADMs and Sliceable Transceivers

. January 2024.

Lawson M., Ali M., Radovic M., Sambo N., Casellas R., Cugini F., Moreolo M.S., Santome-Valverde A.

10.1109/ICTON62926.2024.10647839 Google Scholar

Multi-Domain Transparent Service Provisioning in Multi-Band Optical Networks

. January 2024.

Casellas R., Fernández E., Martínez R., Vilalta R., Muñoz R., Buendia-López A., Pavón-Marino P.

10.1109/ICTON62926.2024.10647553 Google Scholar

Providing Anomalous Behaviour Profiling by extending SmartNIC Transceiver support in Packet-Optical Networks

2024 Optical Fiber Communications Conference And Exhibition, Ofc. January 2024.

Vilalta, R, Vílchez, FJ, Gifre, L, Manso, C, Carcel-Cervera, JL, Leira, R, Aracil-Rico, J, Fernández-Palacios, JP, Martínez, R, Casellas, R, Muñoz, R

Google Scholar

Control of Packet over Multi-Granular Optical Networks combining Wavelength, Waveband and Spatial Switching For 6G transport

2024 Optical Fiber Communications Conference And Exhibition, Ofc. January 2024.

Muñoz, R, Lohani, V, Casellas, R, Martínez, R, Vilalta, R

Google Scholar

Capacity scaling in metro-regional aggregation networks: the multiband S-BVT

Journal of Optical Communications and Networking. Vol. 15. No. 11. pp. 13-21 November 2023.

Nadal L., Casellas R., Fàbrega J.M., Vilchez F.J., Moreolo, MS

10.1364/JOCN.491598 Google Scholar

SDN-enabled path computation element for autonomous multi-band optical transport networks

Journal of Optical Communications and Networking. Vol. 15. No. 11. pp. 48-62 November 2023.

Kosmatos E., Casellas R., Nikolaou K., Nadal L., Uzunidis D., Matrakidis C., Fabrega J.M., Moreolo, MS, Stavdas A.

10.1364/JOCN.492244 Google Scholar

Introduction to the JOCN Special Issue on Advances in Multi-Band Optical Networks

Journal of Optical Communications and Networking. Vol. 15. No. 11. pp. 1-2 November 2023.

Velasco, L, Cugini, F, Casellas, R, Nakagawa, M, Wellbrock, G, Chen, X

10.1364/JOCN.509638 Google Scholar

Experimental evaluation of a latency-aware routing and spectrum assignment mechanism based on deep reinforcement learning

Journal of Optical Communications and Networking. Vol. 15. No. 11. pp. 925-937 November 2023.

Hernández-Chulde, C, Casellas, R, Martínez, R, Vilalta, R, Muñoz, R

10.1364/JOCN.499343 Google Scholar

Demonstration of intent-based networking for end-to-end packet optical cloud-native SDN orchestration

ECOC 2023. October 2023.

Vilalta, Ricard, Adanza Dopazo, Daniel, Manso, Carlos, Alemany, Pol, Gifre, Lluis, Casellas, Ramon, Martínez, Ricardo, Muñoz, Raül

10.1049/icp.2024.1803 Google Scholar

Modular control plane implementation for disaggregated optical transport networks with multi-band support

ECOC 2023. October 2023.

Giorgetti, A., Sgambelluri, A., Kosmatos, E., Stavdas, A., Martinez-Caro, J. M., Pavon, P., Gonzalez De Dios, O., Morro, R., Nadal, Laia, Casellas, Ramon

10.1049/icp.2024.1808 Google Scholar

Introducing end-to-end location awareness in packet-optical networks

ECOC 2023. October 2023.

Manso, Carlos, Vilalta, Ricard, Gifre, Lluis, Casellas, Ramon, Martínez, Ricardo, Muñoz, Raül

10.1049/icp.2023.1847 Google Scholar

Experimental demonstration of a metro area network with terabit-capable sliceable bit-rate-variable transceivers using directly modulated VCSELs and coherent detection

Journal of Optical Communications and Networking. Vol. 15. No. 3. pp. 103-113 March 2023.

Fabrega J.M., Vílchez F.J., Svaluto Moreolo M., Martínez R., Quispe A., Nadal L., Casellas R., Vilalta R., Muñoz R., Neumeyr C., Lee S.Y., Shin J.U., Jung H.D., Mariani G., Heuvelmans R., Gatto A., Parolari P., Boffi P., Tessema N.M., Calabretta N., Larrabeiti D., Fernández-Palacios J.P.

10.1364/JOCN.470434 Google Scholar

Distributed Architecture Supporting Intelligent Optical Measurement Aggregation and Streaming Event Telemetry

2023 Optical Fiber Communications Conference And Exhibition, Ofc 2023 - Proceedings. January 2023.

González P., Casellas R., Pedreno-Manresa, JJ, Autenrieth A., Boitier F., Shariati B., Fischer J.K., Ruiz M., Comellas J., Velasco L.

10.23919/OFC49934.2023.10116593 Google Scholar

Slice Grouping for Transport Network Slices Using Hierarchical Multi-domain SDN Controllers

2023 Optical Fiber Communications Conference And Exhibition, Ofc 2023 - Proceedings. January 2023.

Gifre L., Vilalta R., Caja-Diaz J.C., De Dios O.G., Fernandez-Palacios J.P., Pedreno-Manresa, J.-J., Autenrieth A., Silvola M., Carapellese N., Milano M., Farrel A., King D., Martinez R., Casellas R., Munoz R.

10.23919/OFC49934.2023.10117382 Google Scholar

Enabling Multiband Transmission and Programmability in Disaggregated Optical Metro Networks

2023 Optical Fiber Communications Conference And Exhibition, Ofc 2023 - Proceedings. January 2023.

Nadal L., Casellas R., Fabrega J.M., Vílchez F.J., Moreolo M.S.

10.23919/OFC49934.2023.10116569 Google Scholar

DRL for VNF placement in Inter-Data Center Elastic Optical Networks

2023 Optical Fiber Communications Conference And Exhibition, Ofc 2023 - Proceedings. January 2023.

Hernández-Chulde C., Casellas R., Martínez R., Vilalta R., Munoz, R

10.23919/OFC49934.2023.10116520 Google Scholar

Blockchain-based trust management collaborative system for transport multi-stakeholder scenarios

Journal of Optical Communications and Networking. Vol. 15. No. 8. pp. 488-496 January 2023.

Alemany P., Munoz R., Martrat J., Pastor A., Diaz R., Lopez D., Casellas R., Martinez R., Vilalta R.

10.1364/JOCN.486503 Google Scholar

Dynamic bypass of wavelength switching in SDN-enabled WDM VNTs over SDM Networks with high bit-rate optical channels

2023 Optical Fiber Communications Conference And Exhibition, Ofc 2023 - Proceedings. January 2023.

Munoz R., Manso C., Balasis F., Soma D., Beppu S., Casellas R., Gifre L., Vilalta R., Martinez R., Yoshikane N., Tsuritani T.

10.23919/OFC49934.2023.10117193 Google Scholar

From Automation to Autonomous: Driving the Optical Network Management to Fixed Fifth-generation (F5G) Advanced

IEEE Conference on Network Softwarization. pp. 385-389 January 2023.

Zheng, H., Xu, Y., Busi, I., Vilalta, R., Casellas, R., Munoz, R., Zhou, J.

10.1109/NetSoft57336.2023.10175446 Google Scholar

VNF Placement Over Autonomic Elastic Optical Network via Deep Reinforcement Learning

IEEE International Conference on Communications. Vol. 2023-May. pp. 422-427 January 2023.

Hernández-Chulde C., Casellas R., Martínez R., Vilalta R., Muñoz R.

10.1109/ICC45041.2023.10278838 Google Scholar

End-to-End Inter-domain Transport Network Slice Management Using DLT-enabled Cloud -based SDN Controllers

2023 Optical Fiber Communications Conference And Exhibition, Ofc 2023 - Proceedings. January 2023.

Vilalta, R, Alemany, P, Gifre, L, Martínez, R, Casellas, R, Muñoz, R

10.1364/OFC.2023.Tu3D.3 Google Scholar

Leveraging Programmability of Photonic Devices Towards Agile and Autonomous Optical Networks

20th Sbmo/ieee Mtt-S International Microwave And Optoelectronics Conference, Imoc 2023. pp. 127-129 January 2023.

Casellas R., Nadal L., Martinez R., Vilalta R., Muñoz R., Moreolo M.S.

10.1109/IMOC57131.2023.10379783 Google Scholar

Applying Digital Twins to Optical Networks with Cloud-Native SDN Controllers

IEEE COMMUNICATIONS MAGAZINE. Vol. 61. No. 12. pp. 128-134 January 2023.

Vilalta R., Gifre L., Casellas R., Munoz R., Martinez R., Mozo A., Pastor A., Lopez D., Fernandez-Palacios J.P.

10.1109/MCOM.003.2300105 Google Scholar

Dynamic Upgrade/Downgrade of WDM Link Capacity in SDN-enabled WDM VNTs over SDM Networks

European Conference and Exhibition on Optical Communication 2022. September 2022.

Muñoz, R., Manso, C., Balasis, F., Wang, C., Vilalta, R., Casellas, R., Martínez, R., Yoshikane, N., Tsuritani, T.

Google Scholar

Management and enforcement of secured E2E network slices across transport domains

OPTICAL FIBER TECHNOLOGY. Vol. 73. September 2022.

Alemany, P, Molina, A, Dangerville, C, Asensio, R, Ayed, D, Muñoz R., Casellas, R, Martinez, R, Skarmeta, A, Vilalta, R

10.1016/j.yofte.2022.103010 Google Scholar

Demonstration of latency-aware 5G network slicing on optical metro networks

Journal of Optical Communications and Networking. Vol. 14. No. 1. pp. 81-90 January 2022.

Shariati, B, Velasco, L, Pedreno-Manresa, JJ, Dochhan, A, Casellas, R, Muqaddas, A, de Dios, OG, Canto, LL, Lent, B, de Vergara, JEL, Lopez-Buedo, S, Moreno, F, Pavon, P, Ruiz, M, Patri, SK, Giorgetti, A, Cugini, F, Sgambelluri, A, Nejabati, R, Simeonidou, D, Braun, RP, Autenrieth, A, Elbers, JP, Fischer, JK, Freund, R

10.1364/JOCN.438951 Google Scholar

Evaluation of the abstraction of optical topology models in blockchain-based data center interconnection

Journal of Optical Communications and Networking. Vol. 14. No. 4. pp. 211-221 January 2022.

Alemany, P, Vilalta, R, Muñoz, R., Casellas, R, Martinez, R

10.1364/JOCN.447833 Google Scholar

Advances in SDN control and telemetry for beyond 100G disaggregated optical networks

Journal of Optical Communications and Networking. Vol. 14. No. 6. pp. 23-37 January 2022.

Casellas, R, Martinez, R, Vilalta, R, Munoz, R, Gonzalez-Muniz, A, de Dios, OG, Fernandez-Palacios, JP

10.1364/JOCN.451516 Google Scholar

Scalability analysis of machine learning QoT estimators for a cloud-native SDN controller on a WDM over SDM network

Journal of Optical Communications and Networking. Vol. 14. No. 4. pp. 257-266 January 2022.

Manso, C., Vilalta, R., Munoz, R., Yoshikane, N., Casellas, R., Martinez, R., Wang, C., Balasis, F., Tsuritani, T., Morita, I.

10.1364/JOCN.449009 Google Scholar

Architecture to Deploy and Operate a Digital Twin Optical Network

2022 Optical Fiber Communications Conference And Exhibition, Ofc 2022 - Proceedings. January 2022.

Vilalta R., Casellas R., Gifre L., Munoz R., Martinez R., Pastor A., Lopez D., Fernandez-Palacios J.P.

Google Scholar

Evaluation of Deep Reinforcement Learning for Restoration in Optical Networks

2022 Optical Fiber Communications Conference And Exhibition, Ofc 2022 - Proceedings. January 2022.

Hernandez-Chulde C., Casellas R., Martinez R., Vilalta R., Munoz R.

Google Scholar

An SDN Control Plane for Multiband Networks Exploiting a PLI-aware Routing Engine

2022 Optical Fiber Communications Conference And Exhibition, Ofc 2022 - Proceedings. January 2022.

Casellas R., Kosmatos E., Lord A., Matrakidis C., Martinez R., Uzunidis D., Vilalta R., Stavdas A., Munoz R.

Google Scholar

Experimental Demonstration of a Metro Area Network with Terabit-capable Sliceable Bitrate Variable Transceiver using Direct Modulated VCSELs and Coherent Detection

2022 Optical Fiber Communications Conference And Exhibition, Ofc 2022 - Proceedings. January 2022.

Fabrega J.M., Vilchez F.J., Moreolo M.S., Martinez R., Quispe A., Nadal L., Casellas R., Vilalta R., Munoz R., Neumeyr C., Lee S.Y., Shin J.U., Jung H.D., Mariani G., Heuvelmans R., Gatto A., Parolari P., Boffi P., Tessema N.M., Calabretta N., Larrabeiti D., Fernandez-Palacios J.P.

Google Scholar

Dynamic Reconfiguration of WDM Virtual Network Topology over SDM Networks for Spatial Channel Failure Recovery with gRPC Telemetry

2022 Optical Fiber Communications Conference And Exhibition, Ofc 2022 - Proceedings. January 2022.

Munoz R., Manso C., Balasis F., Casellas R., Vilalta R., Martinez R., Wang C., Yoshikane N., Tsuritani T., Morita I.

Google Scholar

Demonstration of Zero-touch Device and L3-VPN Service Management using the TeraFlow Cloud-native SDN Controller

2022 Optical Fiber Communications Conference And Exhibition, Ofc 2022 - Proceedings. January 2022.

Gitre L., Natalino C., Gonzalez-Diaz S., Soldatos F., Barguil S., Aslanoglou C., Moreno-Muro F.J., Cornelio A.N.Q., Cepeda L., Martinez R., Manso C., Apostolopoulos V., Valiviita S.P., De Dios O.G., Rodriguez J., Casellas R., Monti P., Katsikas G.P., Munoz R., Vilalta R.

Google Scholar

Latency-Aware Routing and Spectrum Assignment with Deep Reinforcement Learning

International Conference on the Design of Reliable Communication Networks DRCN. January 2022.

Hernandez-Chulde, C, Casellas, R, Martinez, R, Vilalta, R, Munoz, R

10.1109/DRCN53993.2022.9758014 Google Scholar

Demonstration and Evaluation of Precise Positioning for Connected and Automated Mobility Services

2022 Joint European Conference On Networks And Communications And 6g Summit, Eucnc/6g Summit 2022. pp. 267-272 January 2022.

Igual J., Catalan M., Catalan-Cid M., Vazquez-Gallego F., Fernandez J., Munoz R., Sedar R., Casellas R., Vilalta R., Calveras A., Paradells J., Lefebvre M., Gardes F., Odinot J.-M., Moscatelli F., Landi G., Datta S.K., Harri J., Silva R., Vilajosana X.

10.1109/EuCNC/6GSummit54941.2022.9815647 Google Scholar

End-to-end Interdomain Transport Network Slice Management Using Cloud-based SDN Controllers

Oecc/psc 2022 - 27th Optoelectronics And Communications Conference/international Conference On Photonics In Switching And Computing 2022. January 2022.

Vilalta R., Gifre L., Xie M., Pajo J.F., Lonsethagen H., Lange S., Overby H., Zinner T., Munoz R., Casellas R., Martinez R.

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2012 38th European Conference And Exhibition On Optical Communications (ecoc). January 2012.

Castro A., Martínez R., Velasco L., Casellas R., Muñoz R., Comellas J.

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Experimental evaluation of efficient routing and distributed spectrum allocation algorithms for GMPLS elastic networks

2012 38th European Conference And Exhibition On Optical Communications (ecoc). January 2012.

Muñoz R., Casellas R., Martínez R., Liu L., Tsuritani T., Morita I.

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Experimental demonstration of an OpenFlow/PCE integrated control plane for IP over translucent WSON with the assistance of a per-request-based dynamic topology server

2012 38th European Conference And Exhibition On Optical Communications (ecoc). January 2012.

Liu L., Casellas R., Tsuritani T., Morita I., Martinez R., Muñoz R.

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First lab trial of an integrated MPLS-TP/WSON transport network controlled by a unified GMPLS control plane in the ADRENALINE testbed

2012 International Conference On Photonics In Switching, Ps 2012. January 2012.

Munoz R., Vilalta R., Casellas R., Martinez R., Vilchez F.J.

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Control plane techniques for Elastic Optical Networks: GMPLS/PCE vs OpenFlow

2012 Ieee Globecom Workshops (gc Wkshps). pp. 352-357 January 2012.

Liu L., Tsuritani T., Morita I., Casellas R., Martinez R., Munoz R.

10.1109/GLOCOMW.2012.6477596 Google Scholar

Dynamic wavelength allocation algorithms for on-demand deployment of GMPLS-controlled virtual WSON using a VON Resource Broker

17th European Conference On Network And Optical Communications (noc 2012) And 7th Conference On Optical Cabling And Infrastructure (oc&i 2012). January 2012.

Vilalta R., Muñoz R., Casellas R., Martinez R.

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Experimental evaluation of a von Resource Broker and Compositor for deployment and performance of virtual GMPLS control planes

2012 16th International Conference On Optical Networking Design And Modelling, Ondm 2012. January 2012.

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10.1109/ONDM.2012.6210212 Google Scholar

Interworking between openflow and PCE for dynamic wavelength path control in multi-domain WSON

Optics InfoBase Conference Papers. January 2012.

Liu L., Casellas R., Tsuritani T., Morita I., Martínez R., Muñoz R.

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Experimental demonstration of a hybrid operated MPLS-TP transport network for dynamic ethernet service provisioning and restoration

National Fiber Optic Engineers Conference, Nfoec 2012. January 2012.

Muñoz R., Casellas R., Martínez R., Vilalta R.

10.1364/nfoec.2012.jw2a.6 Google Scholar

Experimental demonstration of a virtual optical network resource broker and compositor for dynamic GMPLS WSON infrastructure services

Optics InfoBase Conference Papers. January 2012.

Vilalta R., Munoz R., Casellas R., Martínez R.

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Experimental validation/evaluation of a gmpls unified control plane in multi-layer (MPLS-TP/WSON) networks

National Fiber Optic Engineers Conference, Nfoec 2012. January 2012.

Martínez R., Casellas R., Muñoz R.

10.1364/nfoec.2012.ntu2j.1 Google Scholar

First field trial of an OpenFlow-based unified control plane for multi-layer multi-granularity optical networks

2012 Optical Fiber Communication Conference And Exposition And The National Fiber Optic Engineers Conference, Ofc/nfoec 2012. January 2012.

Liu L., Zhang D., Tsuritani T., Vilalta R., Casellas R., Hong L., Morita I., Guo H., Wu J., Martinez R., Muñoz R.

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Field and lab trials of PCE-based OSNR-aware dynamic restoration in multi-domain GMPLS-enabled translucent WSON

OPTICS EXPRESS. Vol. 19. No. 27. pp. 26568-26577 December 2011.

Liu, L, Casellas, R, Tsuritani, T, Morita, I, Okamoto, S, Martinez, R, Munoz, R

10.1364/OE.19.026568 Google Scholar

Experimental Assessment of a Resilient PCE/GMPLS Controlled Translucent Wavelength Switched Optical Network

IEICE TRANSACTIONS ON COMMUNICATIONS. Vol. E94B. No. 7. pp. 1831-1844 July 2011.

Liu, L, Tsuritani, T, Casellas, R, Martinez, R, Munoz, R, Tsurusawa, M, Morita, I

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Enhanced Dynamic VNT Configuration in GMPLS Controlled Ethernet over WSON with Timer-Based Lightpath Holding Time

2011 13th International Conference On Transparent Optical Networks (icton). January 2011.

Bukva, A, Casellas, R, Martinez, R, Munoz, R

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Evaluation of Multi-Layer (Ethernet/WSON) GMPLS-Based Path Computation Policies for Dynamic VNT Configuration

European Conference On Network And Optical Communications And Conference On Optical Cabling And Infrastructure. pp. 173-176 January 2011.

Bukva, A, Casellas, R, Martinez, R, Munoz, R

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Experimental Study on the Impact of Regenerator Placement Strategies when Dynamically Provisioning in Translucent GMPLS WSON Networks

2011 Optical Fiber Communication Conference And Exposition (ofc/nfoec) And The National Fiber Optic Engineers Conference. January 2011.

Martinez, R, Casellas, R, Munoz, R, Garcia-Manrubia, B, Pavon-Marino, P, Klinkowski, M, Careglio, D, Optical Society of America

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Experimental Study and Assessment of the Link Distance Impact in an OSNR-Based IRWA Algorithm in GMPLS-Enabled Translucent WSON Networks

International Conference on Transparent Optical Networks-ICTON. January 2011.

Martinez, R, Casellas, R, Munoz, R, Tsuritani, T

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Requirements and Enhancements for the Evolution of the GMPLS Control Plane of the ADRENALINE testbed to Support Multi-Layer (MPLS-TP/WSON) Capabilities

2011 13th International Conference On Transparent Optical Networks (icton). January 2011.

Martinez, R, Casellas, R, Munoz, R, Vilalta, R

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Virtualizing ADRENALINE testbed for deploying dynamic GMPLS-controlled WSON as a service

Optics InfoBase Conference Papers. January 2011.

Muñoz R., Casellas R., Martínez R., Vilalta R., Vílchez J., Vázquez J.

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An open GMPLS-enabled control plane testbed for remote development and experimentation of PCE-based path computation algorithms

2011 Future Network And Mobile Summit, Futurenetw 2011. January 2011.

Muñoz R., Casellas R., Martínez R.

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Lab trial of multi-domain path computation in GMPLS controlled WSON using a hierarchical PCE

Optics InfoBase Conference Papers. January 2011.

Casellas R., Muñoz R., Martínez R.

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Experimental study on the impact of regenerator placement strategies when dynamically provisioning in translucent GMPLS WSON networks

Optics InfoBase Conference Papers. January 2011.

Martínez R., Casellas R., Muñoz R., García-Manrubia B., Pavón-Marino P., Klinkowski M., Careglio D.

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Optics InfoBase Conference Papers. January 2011.

Liu L., Casellas R., Tsuritani T., Morita I., Martínez R., Muñoz R.

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Experimental evaluation of a full-meshed domain abstraction design model for reduced state information dissemination in multi-domain PCE-based WSONs

Optics InfoBase Conference Papers. January 2011.

Pagès A., Casellas R., Perelló J., Martínez R., Spadaro S., Muñoz R.

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Optics InfoBase Conference Papers. January 2011.

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Optics InfoBase Conference Papers. January 2011.

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Experimental validation and assessment of multi-domain and multi-layer path computation

Lecture Notes of the Institute for Computer Sciences Social Informatics and Telecommunications Engineering. Vol. 46. pp. 347-362 January 2011.

Gunreben S., Casellas R., Martinez R., Munoz R., Schar J.

10.1007/978-3-642-17851-1_28 Google Scholar

A dynamic path computation algorithm for e2e dedicated protection in a GMPLS controlled multilayer (Ethernet/WSON) network

International Congress on Ultra Modern Telecommunications and Control Systems and Workshops. January 2011.

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Enhanced dynamic VNT configuration in GMPLS controlled ethernet over WSON with timer-based lightpath holding time

International Conference on Transparent Optical Networks-ICTON. January 2011.

Bukva A., Casellas R., Martínez R., Muñoz R.

10.1109/ICTON.2011.5971016 Google Scholar

Design and performance evaluation of a GMPLS-enabled MPLS-TP/PWE3 node with integrated 10Gbps tunable DWDM transponders

2011 Ieee 12th International Conference On High Performance Switching And Routing, Hpsr 2011. pp. 236-241 January 2011.

Vilalta R., Muñoz R., Casellas R., Martinez R.

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A dynamic on-line path computation algorithm for VNT configuration in GMPLS controlled multi-layer (Ethernet/WSON) network

2011 Ieee 12th International Conference On High Performance Switching And Routing, Hpsr 2011. pp. 209-214 January 2011.

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Proceedings Of The 2011 16th European Conference On Networks And Optical Communications (noc 2011). pp. 173-176 January 2011.

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An experimental study on the effects of outdated control information in GMPLS-controlled WSON for Shared Path Protection

Ondm 2011 - 15th Conference On Optical Network Design And Modeling. January 2011.

Muñoz R., Casellas R., Martinez R., Tornatore M., Pattavina A.

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Dynamic virtual link mesh topology aggregation in multi-domain translucent WSON with hierarchical-PCE

Optics InfoBase Conference Papers. January 2011.

Casellas R., Martinez R., Muñoz R., Liu L., Tsuritani T., Morita I., Tsurusawa M.

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Lab trial of a GMPLS controlled MPLS-TP packet transport network with source/PCE path computations

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10.1364/ecoc.2011.we.10.p1.99 Google Scholar

Lab trial of multi-domain path computation in GMPLS controlled WSON using a hierarchical PCE

2011 Optical Fiber Communication Conference And Exposition And The National Fiber Optic Engineers Conference, Ofc/nfoec 2011. January 2011.

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10.1364/ofc.2011.othi5 Google Scholar

Virtualizing ADRENALINE testbed for deploying dynamic GMPLS-controlled WSON as a service

2011 Optical Fiber Communication Conference And Exposition And The National Fiber Optic Engineers Conference, Ofc/nfoec 2011. January 2011.

Muñoz R., Casellas R., Martínez R., Vilalta R., Vílchez J., Vázquez J.

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Experimental Performance of Shared Path Protection With Flooded Versus Collected Sharing Resource Information in GMPLS WSON Networks

JOURNAL OF LIGHTWAVE TECHNOLOGY. Vol. 28. No. 23. pp. 3372-3386 December 2010.

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10.1109/JLT.2010.2089496 Google Scholar

GMPLS-based Multidomain Restoration: Analysis, Strategies, Policies and Experimental Assessment

Journal of Optical Communications and Networking. Vol. 2. No. 7. pp. 427-441 July 2010.

Velasco, L, Agraz, F, Martinez, R, Casellas, R, Spadaro, S, Munoz, R, Junyent, G

10.1364/JOCN.2.000427 Google Scholar

Experimental Translucent-Oriented Routing for Dynamic Lightpath Provisioning in GMPLS-Enabled Wavelength Switched Optical Networks

JOURNAL OF LIGHTWAVE TECHNOLOGY. Vol. 28. No. 8. pp. 1241-1255 April 2010.

Martinez, R, Casellas, R, Munoz, R, Tsuritani, T

10.1109/JLT.2010.2043335 Google Scholar

The Effects of Optimized Regenerator Allocation in Translucent Networks under Inaccurate Physical information

2010 14th Conference On Optical Network Design And Modeling (ondm). January 2010.

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Experimental validation of end-to-end GMPLS-enabled restoration in multi-domain transparent WSON

2010 Conference On Optical Fiber Communication Ofc Collocated National Fiber Optic Engineers Conference Ofc-Nfoec. January 2010.

Martinez, R, Casellas, R, Velasco, L, Agraz, F, Munoz, R, Spadaro, S

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Experimental demonstration and comparison of distributed and centralized multi-domain resilient translucent WSON

European Conference On Optical Communication, Ecoc. Vol. 1-2. January 2010.

Liu L., Tsuritani T., Casellas R., Martinez R., Muñoz R., Tsurusawa M.

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Lab-trial of multi-domain lightpath provisioning with PCE path computation combining BRPC and path-key topology confidentiality in GMPLS translucent WSON networks

European Conference On Optical Communication, Ecoc. Vol. 1-2. January 2010.

Casellas R., Martinez R., Muñoz R., Tsuritani T., Liu L., Tsurusawa M.

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Experimental evaluation of dynamic PCE-based path restoration with centralized and distributed wavelength assignment in GMPLS-enabled transparent WSON networks

European Conference On Optical Communication, Ecoc. Vol. 1-2. January 2010.

Muñoz R., Casellas R., Martínez R.

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Experimental validation of end-to-end GMPLS-enabled restoration in multi-domain transparent WSON

Optics InfoBase Conference Papers. January 2010.

Martínez R., Casellas R., Velasco L., Agraz F., Muñoz R., Spadaro S.

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Wavelengths and regenerators sharing in GMPLS-controlled WSONs

2010 Ieee Global Telecommunications Conference Globecom 2010. January 2010.

Manolova A.V., Giorgetti A., Cerutti I., Sambo N., Andriolli N., Munoz R., Martinez R., Casellas R., Ruepp S., Castoldi P.

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Using a model-driven architecture for technology-independent scenario configuration in networking testbeds

IEEE COMMUNICATIONS MAGAZINE. Vol. 48. No. 12. pp. 132-141 January 2010.

Galán F., Fernández D., López De Vergara J., Casellas R.

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Demonstration of a resilient PCE/GMPLS controlled translucent optical network

Technical Digest - 15th Optoelectronics And Communications Conference, Oecc2010. pp. 88-89 January 2010.

Liu L., Tsuritani T., Casellas R., Tsurusawa M.

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Shared path protection in GMPLS networks with limited wavelength conversion capability

2010 International Conference On High Performance Switching And Routing, Hpsr 2010. pp. 203-208 January 2010.

Manolova A.V., Ruepp S., Munoz R., Casellas R., Martinez R., Cerutti I., Sambo N., Giorgetti A., Andriolli N., Castoldi P.

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Challenges for GMPLS Lightpath Provisioning in Transparent Optical Networks: Wavelength Constraints in Routing and Signaling

IEEE COMMUNICATIONS MAGAZINE. Vol. 47. No. 8. pp. 26-34 August 2009.

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IEEE COMMUNICATIONS MAGAZINE. Vol. 47. No. 8. pp. 26-34 August 2009.

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Enhanced Backwards Recursive Path Computation for Multi-area Wavelength Switched Optical Networks Under Wavelength Continuity Constraint

Journal of Optical Communications and Networking. Vol. 1. No. 2. pp. 180-193 July 2009.

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Effects of Outdated Control Information in Control-Plane-Enabled Optical Networks With Path Protection

Journal of Optical Communications and Networking. Vol. 1. No. 2. pp. 194-204 July 2009.

Tornatore, M, De Grandi, F, Munoz, R, Martinez, R, Casellas, R, Pattavina, A

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Improving IA-RWA Algorithms in Translucent Networks by Regenerator Allocation

Icton: 2009 11th International Conference On Transparent Optical Networks, Vols 1 And 2. pp. 516- January 2009.

Tordera, EM, Martinez, R, Munoz, R, Casellas, R, Sole-Pareta, J

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Restoration in GMPLS-based wavelength switched optical networks with limited wavelength converters

2009 International Conference On Photonics In Switching, Ps '09. January 2009.

Sambo N., Cerutti I., Giorgetti A., Andriolli N., Castoldi P., Muñoz R., Ruepp S., Casellas R., Martínez R., Manolova A.V.

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Experimental evaluation of the link cost impact in OSNR-based IRWA algorithms for GMPLS-enabled translucent WSON

Icton 2009: 11th International Conference On Transparent Optical Networks. January 2009.

Martínez R., Casellas R., Muñoz R., Tsuritani T.

10.1109/ICTON.2009.5185114 Google Scholar

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Conference On Optical Fiber Communication, Technical Digest Series. January 2009.

Martínez R., Casellas R., Muñoz R., Tsuritani T., Otani T.

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Testbed implementation of control plane extensions for inter-carrier GMPLS LSP provisioning

2009 5th International Conference On Testbeds And Research Infrastructures For The Development Of Networks And Communities And Workshops, Tridentcom 2009. January 2009.

Bianzino A.P., Rougier J.-L., Secci S., Casellas R., Martinez R., Munoz R., Djarallah N.B., Douville R., Pouyllau H.

10.1109/TRIDENTCOM.2009.4976225 Google Scholar

Experimental GMPLS routing for dynamic provisioning in translucent wavelength switched optical networks

Optics InfoBase Conference Papers. January 2009.

Martínez R., Casellas R., Muñoz R., Tsuritani T., Otani T.

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Experimental evaluation of GMPLS enhanced routing for differentiated survivability in all-optical networks

JOURNAL OF OPTICAL NETWORKING. Vol. 7. No. 5. pp. 496-512 May 2008.

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A Path Computation Element for Shared Path Protection in GMPLS-enabled Wavelength Switched Optical Networks

2008 34th European Conference On Optical Communication (ecoc). January 2008.

Casellas, R, Munoz, R, Martinez, R

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An experimental signalling enhancement to efficiently encompass WCC and Backup Sharing in GMPLS-enabled Wavelength-Routed Networks

IEEE International Conference on Communications. pp. 5401-5406 January 2008.

Munoz, R, Casellas, R, Martinez, R

10.1109/ICC.2008.1012 Google Scholar

An interoperable GMPLS/OBS Control Plane: RSVP and OSPF extensions proposal

Csndsp 08: Proceedings Of The Sixth International Symposium On Communication Systems, Networks And Digital Signal Processing. pp. 418- January 2008.

Pedroso, P, Careglio, D, Casellas, R, Klinkowski, M, Sole-Pareta, J

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Experimental evaluation of the backup sharing aggressiveness for dynamic shared path protection in GMPLS transparent optical networks

Proceedings Of 2008 10th Anniversary International Conference On Transparent Optical Networks, Icton. Vol. 3. pp. 27-30 January 2008.

Martínez R., Muñoz R., Casellas R.

10.1109/ICTON.2008.4598647 Google Scholar

Experimental demonstration of ASON-GMPLS signaling interworking in the NOBEL2 multi-domain multi-layer control plane emulator

Ondm 2008 - 12th Conference On Optical Network Design And Modelling. January 2008.

Muñoz R., Martínez R., Casellas R., Morro R., Cavazzoni C., Pizzaja S., Jaeger M., Foisel H.-M., Jiménez J., García C., Dentler H.

10.1109/ONDM.2008.4578415 Google Scholar

Experimental shared path protection algorithms in distributed all-optical GMPLS-based networks

2007 6th International Workshop On Design And Reliable Communication Networks, Drcn 2007. January 2007.

Martinez R., Muñoz R., Casellas R., Comellas J., Junyent G.

10.1109/DRCN.2007.4762264 Google Scholar

On-demand uncompressed HDTV Transmission over a GMPLS controlled service-aware all-optical network

2007 33rd European Conference And Exhibition Of Optical Communication, Ecoc 2007. January 2007.

Casellas R., Martínez I., Pinart C., Muñoz R., Martínez R., Galán F., Junyent G.

10.1049/ic:20070184 Google Scholar

Antonio Román

Researcher PO

José Rubio

Researcher R2

David López

Researcher R2

Nikolaos Bartzoudis

Researcher R3