New Journal Paper

A new journal paper has been published at the IEEE Journal of Selected Topics on Quantum Electronics, a work coming out from the colaboration between CTTC, UPC, ACREO and IGNIS/Syntune. The paper Modulated Grating Y-Structure Tunable Laser for Wavelength-Routed Networks and Optical Access, by Josep M. Fabrega, Bernhard Schrenk, Francesc Bonada, José A. Lázaro, Marco Forzati, Pierre-Jean Rigole and Josep Prat, shows the feasibility of fast tunable lasers as high-speed transmitters for wavelength routed networks.

Six papers accepted at OFC/NFOEC 2012

December 13th, 2011 - Six papers have been accepted for presentation at the Optical Fiber Communication Conference and Exposition (OFC) and The National Fiber Optic Engineers Conference (NFOEC), that will be held on March 6-8, 2011, at Los Angeles Convention Center in Los Angeles, California, USA. The first two papers Experimental assessment of a combined PCE-RMA and distributed spectrum allocation mechanism for GMPLS Elastic CO-OFDM Optical Networks, and Interworking between OpenFlow and PCE for Dynamic Wavelength Path Control in Multi-domain WSON are joint works with the KDDI R&D Labs (Japan). The third paper entitled Experimenting Hierarchical PCE Architecture in a Distributed Multi-Platform Control Plane Testbed is resulting from a joint activity under the framework of the ICT IP STRONGEST project with Telefonica I+D (Spain), CNIT (Italy), and Nokia Siemens Networks (Germany).

Finally, the last (but not least) three papers are works carried out entirely by the CTTC Optical Networing Area within the framework of the European research project STRONGEST (ICT-FP7-247674) and the Spanish research project DORADO (TEC2009-07995) entitled Experimental demonstration of a Virtual Optical Network Resource Broker and Compositor for dynamic GMPLS WSON infrastructure services , Experimental Validation / Evaluation of a GMPLS Unified Control Plane in Multi-Layer (MPLS-TP/WSON) Networks , and Experimental demonstration of a hybrid operated MPLS-TP transport network for dynamic Ethernet service provisioning and restoration.

New Journal Paper

Nov. 17th, 2011 - A new journal paper has been accepted for publication at the Optical Express Journal, a work led by CTTC and co-authored by KDDI R&D. The paper Dynamic virtual link mesh topology aggregation in multi-domain translucent WSON with hierarchical-PCE, by Ramon Casellas, Ricardo Martínez, Raül Muñoz, Lei Liu, Takehiro Tsuritani, Itsuro Morita and Munefumi Tsurusawa, shows a H-PCE based implemented solution for path computation using CTTC-PCE implementation.

New Journal Paper

Nov. 2nd, 2011 - A new journal paper has been accepted for publication at the Optical Express Journal, a work led by KDDI R&D and co-authored by CTTC ONA. The paper Field and lab trials of PCE-based OSNR-aware dynamic restoration in multi-domain GMPLS-enabled translucent WSON, by Lei Liu, Ramon Casellas, Takehiro Tsuritani, Itsuro Morita, Shuichi Okamoto, Ricardo Martínez and Raül Muñoz, presents an architecture for dynamic restoration in multidomain WSON and using CTTC-PCE implementation.

Research Grant

Oct. 6th, 2011 - Josep M. Fabrega obtained a Torres Quevedo Research Grant from the Spanish Ministry of Science and Innovation, with the reference PTQ-11-04805.

New ACP2011 conference paper

Aug, 23rd, 2011 - The paper Experimental demonstration of service recovery for uncompressed video stream in GMPLS controlled WSON with PCE-based dynamic lightpath restoration, a joint work led by KDDI R&D, has been accepted for oral presentation at the Asia Communications and Photonics Conference and Exhibition (ACP 2011), that will be held in Shanghai, China, on November 13-16.

Chapter co-authorship in the forthcoming Springer book "Optical Transmission"

Jul 28th, 2011 - Michela Svaluto Moreolo has co-authored the Chapter State of the art on transmission techniques, specifically contributing to the Section Optical orthogonal frequency division multiplexing, in the new Springer book Optical transmission, edited by A. Texeira and G. M. Tosi Beleffi, due out on September 30, 2011. More info at the link http://www.springer.com/physics/optics+%26+lasers/book/978-94-007-1766-4.

New developed prototype

Jul 27th, 2011 - A new Optical Networking System has been developed and integrated within ADRENALINE Testbed®: The CTTC All-Optical Wavelength Converter. More info...

New conference paper

Jul 26th, 2011 - The paper A dynamic path computation algorithm for e2e dedicated protection in a GMPLS controlled multi-layer (Ethernet/WSON) network, has been accepted for publication at the 3rd International Workshop on Reliable Networks Design and Modeling (RNDM 2011), that will be held in Budapest, Hungary, on 5 - 7 October.

OpenFlow Talk at ECOC Workshop

Jul 26th, 2011 - Ricardo Martínez, Resarch Associate of the Optical Networking Area, will give a talk entitled OpenFlow-based Hybrid Control Plane within the CTTC ADRENALINE Testbed in the workshop OpenFlow Extensions Towards Multi-layer and Multi-domain Networks: OFELIA organized in the 37th European Conference on Optical Communication (ECOC) held in Geneve (Zurich) on Sunday Morning, September 18.

New RSS Feed Service

Jul 25th, 2011 - Wikiona has added a RSS feed service to get the latest news of the CTTC Optical Networking Area. Subscribe to Wikiona's RSS feed at http://wikiona.cttc.es/ona/index.php?title=News&action=feed&feed=rss to be automatically notified of updates.

Best Student Paper Award

Jul 7th, 2011 - Ricard Vilalta has been granted with the Best Student Paper Award at the IEEE International Conference on High Performance Switching and Routing (HPSR) 2011 for the paper co-authored with Raul Muñoz, Ramon Casellas and Ricardo Martinez entitled Design and performance evaluation of a GMPLS-enabled MPLS-TP/PWE3 node with integrated 10Gbps tunable DWDM transponders.

Five papers accepted at ECOC

June 28th, 2011 - Five papers has been accepted for presentation at the 36th European Conference on Optical Communication 2011 (ECOC 2011) that will be held on September 18-22, 2011 in Geneve, Zurich. The papers Dynamic Virtual Link Mesh Topology Aggregation in Multi-Domain Translucent WSON with Hierarchical-PCE, and Lab Trial of PCE-based OSNR-aware Dynamic Restoration in Multi-domain GMPLS-enabled Translucent WSON (this later, accepted as invited paper) are joint works with the KDDI R&D Labs (Japan).

The paper Experimental Evaluation of a Full-Meshed Domain Abstraction Design Model for Reduced State Information Dissemination in Multi-domain PCE-based WSONs is resulting from a joint activity under the framework of the ICT IP STRONGEST project with the UPC (Spain). Finally, the last (but not least) two papers are Dynamic Distributed Spectrum Allocation in GMPLS controlled Elastic Optical Networks and Lab Trial of a GMPLS controlled MPLS-TP Packet Transport Network with Source/PCE Path Computations, works carried out entirely by the CTTC Optical Networing Area.

New Public-funded project

May 16th, 2011 - The Spanish Ministerio de Ciencia e Innovación has funded the thematic network project FIERRO (Future Internet: Eficiencia en las Redes de Altas Prestaciones) within the framework of Plan Nacional de Investigación Científica, Desarrollo e Innovación Tecnológica 2008-2011 - subprograma de acciones complementarias a Proyectos de Investigación Fundamental No Orientada (TEC2010-12250-E). The project is led by UPCT and constituted by 21 Spanish groups. FIERRO aims at building a platform to create synergies and close collaboration among the different members with expertise in the Internet topic.

Mar 24th, 2011 - New conference paper

Two papers have been accepted for oral presentation at IEEE Conference on High Performance Switching and Routing (HPSR) that that will be held in Cartagena, Spain on 4 - 7 July 2011. The papers are titled Design and performance evaluation of a GMPLS-enabled MPLS-TP/PWE3 node with integrated 10Gbps tunable DWDM transponders and A dynamic on-line path computation algorithm for VNT configuration in GMPLS controlled multi-layer (Ethernet/WSON) network.

Mar 21st, 2011 - New journal paper

The paper Performance analysis of DHT-based optical OFDM using large-size contellations in AWGN, has been accepted for publication in the IEEE Communications Letters.

Mar 11th, 2011 - New joint conference paper

The invited paper Keeping image processing in the optical domain, in collaboration with the IT (Instituto de Telecomunicações) of the University of Aveiro (Portugal), has been accepted for publication at the International Conference on Applications of Optics and Photonics, AOP 2011, that will be held in Braga, Portugal on 3 - 7 May 2011.

Feb 24th, 2011 - New conference paper

The paper Characterization of Fast and Power Efficient Optical OFDM Transmission System Based on Hartley Transform, has been accepted for publication at the Conference on Lasers and Electro-Optics, CLEO 2011 that will be held in Baltimore, Maryland, USA on 1 - 6 May 2011.

Feb 14th, 2011 - New conference paper

The paper An Open GMPLS-enabled Control Plane testbed for remote development and experimentation of PCE-based path computation algorithms, has been accepted for publication at Future Network & Mobile Summit 2011 that will be held in Warsaw, Poland on 15 - 17 June 2011.

Jan 10th, 2011 - New joint journal paper

The paper Using a model-driven architecture for technology-independent scenario configuration in networking testbeds, authored by F. Galan, D. Fernandez, J.E. Lopez de Vergara, and R. Casellas, has been published in IEEE Communications Magazine, vol. 48, n.12, pp. 132-141, December 2010. It is the result of a joint collaboration between Telefónica Investigación y Desarrollo, Universidad Politécnica de Madrid, Universidad Autónoma de Madrid and the Centre Tecnològic de Telecomunicacions de Catalunya.

2010

Dec 15th, 2010 - New joint conference papers

Five papers have been accepted for oral presentation at Optical Fiber Communication Conference (OFC) that will be held March 6-10, 2011, at the Los Angeles Convention Center in Los Angeles, California, USA. The papers Lab Trial of Multi-Domain Path Computation in GMPLS Controlled WSON Using a Hierarchical PCE, Virtualizing ADRENALINE testbed for deploying dynamic GMPLS-controlled WSON as a service and Experimental Study on the Impact of Regenerator Placement Strategies when Dynamically Provisioning in Translucent GMPLS WSON Networks, are led by the CTTC Optical Networking Area. The later is resulting from a joint activity under the framework of the NoE BONE project with the UPC (Spain), UPCT (Spain) and and NIT (Poland). The other two papers SOA/REAM as Vector Modulator for QAM Upstream and All-Optical Intra-PON Data Routing Between ONUs with a MG-Y Tunable Laser as 2.5 Gbps Burst-Mode Transmitter are joint works in collaboration with UPC (Spain), Alcatel-Thales III-V Labs (France), Acreo (Sweden) and Syntune (Sweden).

Dec 3th, 2010 - New joint conference paper

The paper "An Experimental Study on the Effects of Outdated Control Information in GMPLS-controlled WSON for Shared Path Protection", resulting from a joint activity under the framework of the NoE BONE project with the Politecnico di Milano (Italy) has been accepted for publication in the 15th International Conference on Optical Network Design and Modeling (ONDM 2011) that will be held in Bologna, Italy, on February 8-10.

Nov 9th, 2010 - New Public-funded project

The Autonomous Government of Catalonia (Generalitat of Catalunya) has funded the industrial research project SILVIA (Serveis InteL.ligents de Validació de la Internet Avançada) within the program ajuts per al desenvolupament de projectes tractors en els àmbits d' e-infraestructures dins el marc de la Inforegió - REGIO 2010. The project is led by Orange Catalunya Xarxes de Telecomunicació, SA, and CTTC Optical Networking Area work involves the deployment of a GMPLS control plane for a Wavelength Switched Optical Network (WSON) and its integration with i2Cat ARGIA system.

Oct 26th, 2010 - New joint journal paper

The paper "Probe schemes for quality-of-transmission-aware wavelength provisioning", in collaboration with Scuola Superiore Sant'Anna (Italy), Orange Labs (France) and CNIT (Italy), has been accepted for publication in the IEEE/OSA Journal of Optical Communications and Networking.

Oct 18th, 2010 - New journal paper

The paper "Experimental performance of Shared Path Protection with flooded versus collected sharing resource information in GMPLS WSON networks" has been accepted for publication in the next available issue of the IEEE/OSA Journal of Lightwave Technology.

Oct 1st, 2010 - New PhD Student

Laia Nadal, awarded with a FPI fellowship from the Spanish Ministry of Science and Innovaton, has joined the CTTC Optical Netwokring Area to carry out a PhD Thesis in Elastic Optical Networks (Adaptive Optical OFDM) associated to the Fundamental Research Project “Design and evaluation of intelligent optical networks based on hybrid nodes with Ethernet and wavelength switching” (DORADO). TEC2009-07995.

Sep 21st, 2010 - New journal paper

The paper "Anticipation of Traffic Demands to Guarantee QoS in IP/Optical Networks" has been published in the Journal of Future Internet, special issue QoS in Wired and Wireless IP Networks.

Sep 3rd, 2010 - New Industry-funded project

KDDI R&D Labs (Japan) has awarded an industrial grant to the CTTC Optical Networking Area in order to develop the research project Inter-domain all-optical transport Networks - Phase 4 (RAION4), covering research on architectures for intelligent translucent Wavelength Switched Optical Networks (WSON) with PCE-based path computation. It starts on September 1st 2010 and ends on March 31st 2011.

Sep 1st, 2010 - New staff member

Josep Maria Fàbrega has joined the Optical Networking Area as Post-Doc Researcher in the field of coherent optical systems and digital signal processing for transparent optical networks.

Jun 16-18th, 2010 - Demo Event

In the scope of the CELTIC TIGER2 project, CTTC partipates in a Joint demonstration event with Alcatel Bell Labs Lucent France and Marben Products, that will take place in Future Network & Mobile Summit 2010. 16-18 June 2010, Florence, Italy. The demo shows a multi-domain establishment of Ethernet connections on top of a Wavelength Switched Optical Network (WSON).

Jun 8th, 2010 - New joint conference papers

Three papers has been accepted for oral presentation at 36th European Conference on Optical Communication 2010 (ECOC 2010), being held in Torino, Italy, on September 19-23, 2010. The paper Lab-Trial of Multi-Domain Lightpath Provisioning with PCE Path Computation combining BRPC and Path-Key Topology Confidentiality in GMPLS Translucent WSON networks is a joint work in collaboration with the KDDI R&D Labs, and the paper Experimental Demonstration and Comparison of Distributed and Centralized Multi-domain Resilient Translucent WSON is led by the KDDI R&D Labs in collaboration with the CTTC Optical Networking Area. The third accepted paper is Experimental Evaluation of Dynamic PCE-based Path Restoration with Centralized and Distributed Wavelength Assignment in GMPLS-enabled Transparent WSON networks.

May 27th, 2010 - CTTC's PhD fellowship program

The CTTC's PhD fellowship program for 2010 is open from 27 May to 28 June, 2010. If you have a good academic record and strong motivation for research in optical networks or communications, you can apply here to carry out a PhD thesis with the CTTC Optical Networking Area. For more information, please download the short or extended call announcement.

May 25th, 2010 - New joint journal publication

The paper "GMPLS-based Multi-domain Restoration: Analysis, Strategies, Policies and Experimental Assessment" in collaboration with the Universitat Politècnica de Catalunya (UPC) has been accepted for publication in the IEEE/OSA Journal of Optical Communications and Networking.

May 5th, 2010 - New Conference participation

The Optical Networking Area will participate in the 12th International Conference on Transparent Optical Networks (ICTON) held in Munich, Germany on June 27 - July 1, 2010 with two invited papers titled Experimental Study and Assessment of the Link Distance Impact in an OSNR-based IRWA Algorithm in GMPLS-enabled Translucent WSON networks in collaboration with KDDI R&D Labs (Japan), and Power efficient and cost-effective solutions for optical OFDM systems using direct detection.

Apr 8th, 2010 - New joint conference paper

The paper "Shared Path Protection in GMPLS Networks with Limited Wavelength Conversion Capability", resulting from a joint activity under the framework of the NoE BONE project with the Scuola Superiore Sant'anna (Italy) and DTU Fotonik, Technical University of Denmark, has been accepted for presentation in the 11th International Conference on High Performance Switching and Routing (HPSR 2010), being held in the University of Texas at Dallas, Richardson, Texas, USA, on June 13-16, 2010.

Mar 22nd, 2010 - New joint journal publication

The invited paper "Trigonometric transforms for high-speed optical networks: all-optical architectures and optical OFDM" in collaboration with University Roma Tre (Italy) has been accepted for publication in the special issue "All-Optically Routed Networks" of the Journal of Networks.

Mar 15th, 2010 - New staff member

Ricard Vilalta has joined the Optical Networking Area as Research Engineer to develop software for optical networking systems and protocols in the framework of the ADRENALINE testbed.

Feb 8th, 2010 - New joint journal publication

The paper "Experimental Translucent-oriented Routing for Dynamic Lightpath Provisioning in GMPLS-enabled Wavelength Switched Optical Networks" in collaboration with KDDI R&D Labs. (Japan) has been accepted for publication in the IEEE/OSA Journal of Lightwave Technology.

Feb 8th, 2010 - FPI PHD Fellowship in Optical Networking

The Optical Networking Area of the Centre Tecnològic de Telecomunicacions de Catalunya (CTTC) offers a Fellowship (FPI) from the Spanish Ministry of Science and Innovation (MICINN) to carry out a PhD Thesis associated to the Fundamental Research Project “Design and evaluation of intelligent optical networks based on hybrid nodes with Ethernet and wavelength switching” (DORADO). The aim of the DORADO project is to investigate Optical OFDM, Wavelength Switched Optical Networks (WSON), Connection-Oriented Ethernet (COE), and Generalized Multiprotocol Label Switching (GMPLS) technologies as the basis for cost-efficient, high-speed, flexible and dynamic optical transport networks. This is done from an integrated approach that includes technological aspects of modelling, design, performance evaluation and experimentation in the ADRENALINE Testbed® of both optical communication systems and optical networks. Online submission of application forms will be open from February 8 to February 22, 2010. For more information, please download the English or Spanish call announcement

Jan 29th, 2010 - New industrial contract

The CTTC Optical Networking Area participates in the research project ENERGOS (Tecnologías para la Gestión Automatizada e Inteligente de las Redes de Distribución Energética del Futuro), funded by the Spanish Ministry of Industry, Tourism and Trade (MITYC) within the call 5 of the CENIT - INGENIO 2010 program managed by the Centre for the Development of Industrial Technology (CDTI). The project is led by Union Fenosa, and the CTTC participates subcontracted through an industrial collaboration contract. ENERGOS is focused on technologies for the intelligent and automated management of the future electricity distribution networks.

Jan 27th, 2010 - New joint conference paper

The paper "Experimental Validation and Assessment of Multi-domain and Multi-layer Path Computation", resulting from a joint activity under the framework of the NoE BONE project with the IKR Stuttgart(Germany), has been accepted for publication in the 6th International ICST Conference on Testbeds and Research Infrastructures for the Development of Networks & Communities (Tridentcom 2010), being held in Berlin, Germany, on 3-6 May 2010.

2009

Dec 27th, 2009 - New journal publication

The paper "Novel Power Efficient Optical OFDM Based on Hartley Transform for Intensity Modulated Direct Detection Systems" has been accepted for publication in the IEEE/OSA Journal of Lightwave Technology.

Dec 20th, 2009 - New joint conference paper

The paper "Experimental Validation of End-to-End GMPLS-Enabled Restoration in Multi-Domain Transparent WSON ", a joint work in collaboration with the UPC-GCO (Spain), has been accepted for oral presentation at the National Fiber Optic Engineers Conference (NFOEC), being held in San Diego, CA, USA, on March 21 -25, 2010. Joint activity under the framework of the NoE BONE project.

Dec 4th, 2009 - New Public-funded Project

The European Commission has funded the Integrated Project STRONGEST (Scalable Tunable and Resilient Optical Networks Guaranteeing Extremely-high Speed Transport) within 7th Framework Program (FP7) for Research and Technological Development - Information and Communication Technologies (ICT) Work Programme (FP7-247674). The project is led by Telecom Italia, and is relying on the participation of the CTTC Optical Networking Area. STRONGEST is a three-year project starting on January 1st 2010.

Nov 26th, 2009 - New joint conference paper

The paper "The Effects of Optimized Regenerator Allocation in Trans-lucent Networks under Inaccurate Physical information", a joing work led by the UPC-CRAAX (Spain) and in collaboration with the CTTC Optical Networking Area and the Politecnico di Milano (Italy), has been accepted for poster presentation in the 14th Conference on Optical Network Design and Modelling (ONDM 2010), being held in Kyoto , Japan, on February 1 -3, 2010. Joint activity under the framework of the RT-MULTILAYER project.

Nov 25th, 2009 - New Visiting Undergraduate Student

Fabiana Ferraro, an undergraduate student from the Politecnico di Torino (Italy), has joined the CTTC to carry out her master Thesis within the scope of the Optical Networking Area under the supervision of Michela Svaluto.

Nov 23rd, 2009 - New Industry-funded project

Within the framework of the PHOTONET project, Telefónica I+D and CTTC have signed a service contract and joint collaboration on the Research Topic Analysis of Control Plane solutions for Photonic Networks with advanced GMPLS functionalities (Spanish "Colaboración en el análisis de soluciones de plano de control fotónico con funcionalidades GMPLS avanzadas") using CTTC ADRENALINE Testbed. Project Duration: 01/08/2009 - 31/12/2010

Nov 20th, 2009 - New joint journal publication

The paper "Fiber Hartley Transform and Optical Indirect Computation of Discrete Cosine Transform" in collaboration with UNIROMA3(Italy) has been accepted for publication in the IEEE Transactions on Communications as a Transactions Letter Submissions. Joint activity under the framework of the FP7 ICT NoE BONE project.

Nov 16th, 2009 - New Industry-funded project

KDDI R&D Labs (Japan) has awarded a industrial grant to the CTTC Optical Networking Area in order to develop the research project Inter-domain all-optical transport Networks - Phase 3 (RAION3). RAION3 covers two main topics: interoperability studies of multi-domain translucent transport networks using the Path Computation Element (PCE) architecture, and the performance evaluation of OSNR-aware path computation algorithms. It starts on December 1st 2009 and ends on March 31st 2010.

Nov 5th, 2009 - New Open Position

The CTTC offers a Research Engineer position - Software Engineer (Call 7/2009-1) associated to the Optical Networking Area. For specific information about the offered position click here or download the announcement. If you are interested you can apply here. This position is open until December 17, 2009.

Sep 22nd, 2009 - New Public-funded project

The Autonomous Government of Catalonia (Generalitat of Catalunya) has funded the industrial research project PAIS (Advanced Integrated Service Platform) within the framework of the Inforegió program (2009REGIÓ-00018). The project is led by Tradia Telecom and, among other entities, the CTTC Optical Networking Area participates in the project. PAIS is a one-year project focused on offering service connection over a last generation optical network. More Info...

Aug 19th, 2009 - New Industry-funded Project

The Japanese Telecommunication operator KDDI Corporation has funded the technology transfer project Development and deployment of a Path Computation Element for KDDI R&D AON Testbed (KDDI-PCE). The KDDI-PCE project starts on September 1st and ends on December 31st 2009.

Jul 24th, 2009 - New Public-funded project

The Spanish Ministry of Science and Innovation (MICINN) has funded the fundamental research project DORADO (Design and evaluation of intelligent optical networks based on hybrid nodes with Ethernet and wavelength switching ) led by the CTTC Optical Networking Area, within the Plan Nacional de I+D+i 2008-2011 program (TEC2009-07995). DORADO is a three-year project focused on investigating the WSON, Ethernet, and GMPLS technologies as the basis for cost-efficient, high-speed, flexible and dynamic optical transport networks.

Jul 5th, 2009 - New recognition

The Generalitat of Catalunya (Catalan Government) has given the recognition of Research Group (emerging modality) to the CTTC Optical Networking Area within the period 2009-2013.

Jul 1st 2009 - Funding of CELTIC projects for 2009

The Spanish Ministry of Industry, Tourism and Trade (MITYC) has funded the CELTIC projects TIGER2 and 100GET for the year 2009, within the AVANZA I+D Plan (TSI-020400-2009-113 and TSI-020400-2009-120). The CTTC Optical Networking Area participates in both projects.

Jul 1st, 2009 - New joint conference paper

The paper "Restoration in GMPLS-based Wavelength Switched Optical Networks with Limited Wavelength Converters" in collaboration with Scuola Superiore Sant'anna (Italy) and DTU Fotonik, Technical University of Denmark has been accepted for poster presentation in the International Conference on Photonics in Switching 2009, being held in Pisa, Italy, on September 15 – 19, 2009. Joint activity under the framework of the FP7 ICT NoE BONE project.

Jun 10th, 2009 - New Conference participation

The Optical Networking Area will participate in the 35th European Conference and Exhibition on Optical Communication (ECOC) being held in Vienna, Austria, on September 20 – 24, 2009 with the paper titled Experimental Field-Trial of Multi-domain PCE-based Path Computation for OSNR-aware GMPLS enabled translucent WSON in collaboration with KDDI R&D Labs (Japan). Joint activity under the framework of the RAION2 and GAUDI projects.

Jun 3rd, 2009 - New magazine publication

The paper Challenges for GMPLS lightpath provisioning in transparent optical networks: Wavelength constraints in routing and signalling has been accepted for publication to the Optical Communications Series of IEEE Communications Magazine in the August 2009 issue.

May 15th, 2009 - CTTC's PhD fellowship program

The CTTC's PhD fellowship program for 2009 is open between 15 May and 14 June, 2009. If you have a good academic record and strong motivation for research in optical networks or communications, you can apply here to carry out a PhD thesis with the CTTC Optical Networking Area. For more information, please download the short or extended call announcement.

May 7th, 2009 - New Conference participation

The Optical Networking Area will participate in the 11th International Conference on Transparent Optical Networks (ICTON) held in Island of São Miguel, Azores, Portugal on June 28 - July 2, 2009 with three invited papers titled Experimental Evaluation of the Link Cost Impact in OSNR-based IRWA algorithms for GMPLS-enabled Translucent WSON in collaboration with KDDI R&D Labs (Japan), Signal Processing Based on Trigonometric Transforms for High-speed Optical Networks in collaboration with UNIROMA3 (Italy), and Improving IA-RWA Algorithms in Translucent Networks by Regenerator Allocation in collaboration with UPC-CBA.

Apr 15th, 2009 - New Conference participation

The Optical Networking Area will participate in the 14th European Conference on Networks and Optical Communications (NOC) and the 4th Conference on Optical Cabling and Infrastructure (OC&I) held in Valladolid, Spain on June 10-12 2009 with three papers titled On combining multi-layer performance information to improve QoT awareness in probe-based IRWA schemes in collaboration with NICT (Japan), On the challenges of finding two link-disjoint lightpaths of minimum total weight across an optical network in collaboration with UPC-CRAAX, and Unified GMPLS-based control of Carrier-grade Ethernet over DWDM.

Feb 20th, 2009 - New Journal publication

The papers Effects of Outdated Control Information in Control-Plane-Enabled Optical Networks with Path Protection in collaboration with POLIMI (Italy) and Enhanced BRPC for multi-area PCE-based path computation in Wavelength Switched Optical Networks under Wavelength Continuity Constraint in collaboration with UST-IKR (Germany), submitted to OSA Journal of Optical Networking Special Issue on Optical Networks for the Future Internet, have been accepted for publication to the inaugural issue of the new IEEE/OSA Journal of Optical Communications and Networking (JOCN) in June 2009. This new journal merges OSA Journal of Optical Networking (JON) with IEEE ComSoc's Supplement on Optical Networking and Communications, which is published with the Journal on Selected Areas in Communications.

Jan 30th, 2009 - New Magazine publication

The paper A multi-layer fault localization framework for IP over all-optical multi-layer networks has been accepted for publication to IEEE Network Magazine Special Issue on Protocols and Algorithms for Future Cross-Layer and Hybrid Optical Networks in May 2009.

Jan 12th, 2009 - New staff member

Michela Svaluto has joined to the Optical Netwokring Area as Post-Doc Researcher in the field of optical signal processing in transparent optical networks (advanced modulation schemes, scrambling and coding)

Jan 9th, 2009 - Collaboration Agreement

A Collaboration agreement and Technology Transfer project with KDDI R&D (Japan) has been signed. The project RAION2 (Interdomain all-optical transport Networks Phase 2) will focus on inter-domain all-optical transport networks with Path Computation Elements (PCE) and will continue the research and technology transfer activities of Phase 1, carried out during 2008.

2008

Dec 22th, 2008 - New Conference participation

The Optical Networking Area will participate in the 5th International Conference on Testbeds and Research Infrastructures for the Development of Networks and Communities (TRIDENTCOM) held in Washington D.C., (USA) on April 6-8 2009 with two papers titled Scenario-based Configuration Management for Flexible Experimentation Infrastructures in collaboration with Telefonica I+D, UAM and UPM, and A Model-Driven Configuration Management Methodology for Testbed Infrastructures in collaboration with Alcatel Lucent, Telecom ParisTech and France Telecom.

Dec 18th, 2008 - New Conference participation

The Optical Networking Area will participate in the Optical Fiber Conference (OFC/NFOEC) held in San Diego, California (USA) on March 24-26 2009 with two papers titled Experimental GMPLS Routing for Dynamic Provisioning in Translucent Wavelength Switched Optical Networks (NTuB5) in collaboration with KDDI R&D Labs, and Signaling and Multi-Layer Probe-based Schemes for Guaranteeing QoT in GMPLS Transparent Networks (OWI5) in collaboration with SSSUP and France Telecom.

Nov 3rd, 2008 - New staff member

Javier Antonio Vázquez has joined to the Optical Netwokring Area as Contractor Research Engineer to work in the framework of Technology Transfer projects.

Oct 28th, 2008 - New event Participation

The Optical Networking Area participates in the Forum ASLAN Expo Barcelona’08, presenting the success case of ADRENALINE test-bed®. The CTTC will be present in booth #045 at the exhibition hall.

Oct 10th, 2008 - New Public-funded Project

The Optical Networking Area participates in the CELTIC 100GET (100 Gbit/s Carrier-Grade Ethernet Transport Technologies) project, funded by the Spanish Ministry of Industry. The 100GET.es project starts on September 1st 2008 and ends on December 31st 2010.

Oct 8th, 2008 - New PhD Candidate

Marcin Chochol has joined to the Optical Netwokring Area to pursue his PhD in Optical Monitoring Techniques for wavelength-routed networks.

Sep 21st, 2008 - New Conference participation

The Optical Networking Area participates in the European Conference of Optical Communication (ECOC) held in Brussels (Belgium) on 21-25 September 2008 with two papers titled A Path Computation Element for Shared Path Protection in GMPLS-enabled Wavelength Switched Optical Networks, and Probe-based schemes to guarantee lightpath Quality of Transmission (QoT) in transparent optical networks.

Aug 4th, 2008 - New Conference participation

The Optical Networking Area participates in the Photonics in Switching (PS) 2008 held in Sapporo (Japan) with the presentation of the paper titled Lightpath provisioning scheme for all-optical networks integrating multi-layer quality of transmission information.

Jul 14th, 2008 - New Public-funded Project

The Optical Networking Area participates in the CELTIC TIGER2 (Together IP, GMPLS and Ethernet Reconsidered - Phase2) project, funded by the Spanish Ministry of Industry. The Tiger2.es project starts on November 1st 2008 and ends on December 31st 2010.

Jun 22nd, 2008 - New Conference participation

The Optical Networking Area participates in the 10th International Conference on Transparent Optical Networks (ICTON 2008) held in Athens (Greece) with the presentation of the invited paper titled Experimental Evaluation of the Backup Sharing Aggressiveness for Dynamic Shared Path Protection in GMPLS Transparent Optical Networks.

Jun 5th, 2008 - New Conference participation

The Optical Networking Area participates in the 4th International Symposium on IP over Optical (iPOP 2008) held in Tokyo (Japan) with the presentation of the paper titled Design, Implementation and Validation within ADRENALINE® Testbed of a Path Computation Element for Wavelength Switched Optical Networks.

May 21st, 2008 - New Cooperation agreement

The CTTC has signed a cooperation agreement with the National Institute of Information and Communications Technology of Japan (NICT) to develop scientific research projects in the optical networking field.

May 19th, 2008 - New Conference participation

The Optical Networking Area participates in the IEEE International Conference on Communications (ICC 2008) held in Beijing (China) with the presentation of the paper titled An Experimental Signalling Enhancement to Efficiently Encompass WCC and Backup Sharing in GMPLS-enabled Wavelength-Routed Networks.

Mar 26th, 2008 - New PhD Candidate

Anica Bukva has joined to the Optical Netwokring Area to pursue her PhD in Muli-layer (Ethernet over DWDM) networks.

Mar 12th, 2008 - New Conference participation

The Optical Networking Area participates in the 12th International Conference on Optical Network Design and Modelling (ONDM 2008) held in Vilanova i la Geltrú (Spain)with the presentation of the invited paper and live demo titled Experimental demonstration of ASON-GMPLS signaling interworking in the NOBEL2 Multi-domain Multi-Layer Control Plane Emulator.