WikiOna - News

New Journal Paper

Apr. 23rd, 2012 - The paper A dynamic path computation algorithm for a GMPLS-enabled multi-layer network, by Anica Bukva, Ramon Casellas, Ricardo Martínez and Raul Muñoz, has been accepted for publication at the IEEE/OSA Journal of the Optical Communications and Networking (JOCN).

New Journal Paper: Computer Networks Special Issue High-performance Switching & Routing

A new journal paper has been published at the Elsevier Journal of Computer Networks on the Special Issue High-performance Switching & Routing. The paper GMPLS-enabled MPLS-TP/PWE3 node with integrated 10Gbps tunable DWDM transponders: design and experimental evaluation, by Ricard Vilalta, Raul Muñoz, Ramon Casellas and Ricardo Martínez, shows the design and experimental evaluation of a GMPLS-enabled MPLS-TP/PWE3 node with integrated 10Gbps tunable DWDM transponders.

New video demonstration on MPLS-TP

Apr. 3rd, 2012 - A new demonstration video has been uploaded to ONA Youtube channel. It is titled: Demonstration of a hybrid operated MPLS-TP transport network for Ethernet service. The video has been prepared for the second year audit of the STRONGEST project.

Accepted postdeadline paper at OFC 2012

Mar. 6th, 2012 - The postdealine paper First Field Trial of an OpenFlow-based Unified Control Plane for Multi-layer Multi-granularity Optical Networks, a joint work lead by KDDI R&D Labs and co-authored by Beijing University of Posts and Telecommunications (BUPT) and Centre Tecnolòlgic de Telecomunicacions de Catalunya (CTTC) has been accepted as oral for oral presentation at OFC/NFOEC 2012 in Los Angeles, California, USA.

New Visiting Researchers

Feb. 20th, 2012 - Alberto Castro from the Universitat Politécnica de Catalunya (UPC) and Ramón Aparicio, Phd, from Universidad Politécnica de Cartagena (UPCT) have joined the CTTC to carry out an experimental research stay in the ADRENALINE testbed on design and experimental evaluation of dynamic routing and wavelength assignment algorithms for GMPLS-controlled optical networks.

New JOCN Paper

Feb. 17th, 2012 - The paper Distributed Sharing of Functionalities and Resources in Survivable GMPLS-Controlled WSONs, resulting from a joint activity under the framework of the NoE BONE project with DTU Fotonik, Technical University of Denmark, and Scuola Superiore Sant'anna (Italy) has been published in the IEEE/OSA Journal of the Optical Communications and Networking (JOCN).

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.