Ara es mostren els items 7-26 de 27

    • Construcció d'una maqueta de xarxa OBS. Disseny i Implementació del Pla de Control 

      Triay Marquès, Joan (Universitat Politècnica de Catalunya, 2006-09)
      Projecte/Treball Final de Carrera
      Accés obert
      Aquest document presenta el disseny i la implementació del Pla de Control d’una xarxa de Commutació de Ràfegues Òptiques (OBS, Optical Burst Switching). En aquests tipus de xarxes, les dades d’usuari s’ensamblen en ràfegues ...
    • Delay analysis of slotted OBS networks under DAOBS MAC protocol 

      Triay Marquès, Joan; Cervelló Pastor, Cristina (2011-06-30)
      Article
      Accés restringit per política de l'editorial
      Medium access control (MAC) protocols can improve the burst/packet delivery rate in optical burst-switched (OBS) networks. In this letter, the delay analysis of slotted OBS under the use of the DAOBS MAC protocol is proposed. ...
    • Demonstration of C/S based hardware accelerated QoT estimation tool in dynamic impairment-aware optical network 

      Simeonidou, Dimitra; Nejabati, Reza; Qin, Yixuan; Cheng, Kevin C.S.; Triay Marquès, Joan; Escalona, Eduard; Zervas, Georgios S.; Zarris, George; Amaya González, Norberto; Cervelló Pastor, Cristina (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
      Text en actes de congrés
      Accés obert
      An enhanced version of hardware accelerated QoT estimation tool in impairment-aware optical network is demonstrated and evaluated against the different number of lightpaths and wavelengths per link. It outperforms the ...
    • Distributed Contention Avoidance in Optical Burst-Switched Ring Networks 

      Triay Marquès, Joan; Cervelló Pastor, Cristina (IEEE, 2008-11)
      Comunicació de congrés
      Accés obert
      Optical Burst Switching (OBS) is a promising technology for future optical networks. Due to its less complicated implementation using current optical and electrical components, OBS is seen as the first step towards the ...
    • Distributed Resources Assignment for Optical Burst Switching without Wavelength Conversion (Invited Paper) 

      Cervelló Pastor, Cristina; Triay Marquès, Joan; Sallent Ribes, Sebastián (2009-09)
      Text en actes de congrés
      Accés obert
      The amount of bursty Internet traffic leads to develop new architectures and technologies, such as Optical Burst Switching (OBS), to efficiently satisfy future bandwidth requirements. Burst loss probability is an important ...
    • Dynamic anycast routing and wavelength assignment in WDM networks using ant colony optimization (ACO) 

      Bhaskaran, Kavitha; Triay Marquès, Joan; Vokkarane, Vinod M. (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Ant colony optimization (ACO) is a probabilistic technique used for solving complex computational problems, such as finding optimal routes in networks. It has been proved to perform better than simulated annealing and ...
    • Dynamic service-aware reservation framework for multi-layer high-speed networks 

      Triay Marquès, Joan; Rousseau, Derek R.; Cervelló Pastor, Cristina; Vokkarane, Vinod M. (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Some current Internet applications (e.g., Grid/Cloud computing storage, video-conference) demand service differentiation, not only in terms of packet forwarding, but also at the connection level. To satisfy the demands ...
    • Experimental demonstration of a novel QoS-aware hybrid optical network 

      Simeonidou, Dimitra; Escalona, Eduard; Qin, Yixuan; Zervas, Georgios; Triay Marquès, Joan; Zarris, George; Amaya González, Norberto; Nejabati, Reza; Cervelló Pastor, Cristina (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
      Text en actes de congrés
      Accés obert
      This paper presents a hybrid optical test-bed controlled by a hardware-accelerated control plane capable of dynamically provisioning the most suitable route according to the requirements of the client technology and the ...
    • Experimental demonstration of a self-optimised multi-bit-rate optical network 

      Simeonidou, Dimitra; Zervas, Georgios S.; Zarris, George; Amaya González, Norberto; Triay Marquès, Joan; Escalona, Eduard; Qin, Yixuan; Cervelló Pastor, Cristina; Nejabati, Reza (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
      Text en actes de congrés
      Accés obert
      This paper proposes an innovative self-managed optical network architecture for heterogenous transparent optical networks. A self-optimized dynamic network testbed that comprises multiple multi bit-rate ligthpaths on a ...
    • From delay-tolerant networks to vehicular delay-tolerant networks 

      Rogerio Pereira, Paulo; Casaca, Augusto; Rodrigues, Joel J. P. C.; Soares, Vasco N. G. J.; Triay Marquès, Joan; Cervelló Pastor, Cristina (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Article
      Accés obert
      This paper provides an introductory overview of Vehicular Delay-Tolerant Networks. First, an introduction to Delay-Tolerant Networks and Vehicular Delay-Tolerant Networks is given. Delay-Tolerant schemes and protocols can ...
    • GMPLS/PCE/OBST architectures for guaranteed sub-wavelength mesh metro network services 

      Triay Marquès, Joan; Zervas, Georgios S.; Cervelló Pastor, Cristina; Simeonidou, Dimitra (2011)
      Comunicació de congrés
      Accés obert
      This paper presents three innovative GMPLS/PCE/OBST interworking architectures for mesh metro networks which deliver guaranteed contention-free sub-wavelength services with enhanced channel utilization, yet enabling ...
    • Integration of Optical and Wireless Technologies in the Metro-Access: QoS Support and Mobility Aspects 

      Cervelló Pastor, Cristina; Sallent Ribes, Sebastián; Gutiérrez González, Lluís; Remondo Bueno, David; Nunes, Mario; Sargento, Susana; Cesana, Matteo; Filippini, Ilario; Triay Marquès, Joan; Agustí Torra, Anna; Andrade Jardín, Marilet de (2009-07)
      Comunicació de congrés
      Accés obert
    • Multi-service MAC-enabled OBS networks 

      Triay Marquès, Joan; Zervas, Georgios; Cervelló Pastor, Cristina; Nejabati, Reza; Simeonidou, Dimitra (2010-03)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      In this paper, a novel multi-service architectural solution based on a MAC protocol for mesh OBS networks is designed and the network performance among TDM services and connectionless burst transmissions is evaluated through ...
    • Multiservice QoS-enabled MAC for optical burst switching 

      Triay Marquès, Joan; Zervas, Georgios S.; Cervelló Pastor, Cristina; Simeonidou, Dimitra (IEEE Press. Institute of Electrical and Electronics Engineers, 2010-07-14)
      Article
      Accés obert
      The emergence of a broad range of network-driven applications (e.g., multimedia, online gaming) brings in the need for a network environment able to provide multiservice capabilities with diverse quality-of-service (QoS) ...
    • On Avoiding-Minimizing Burst Collisions in Optical Burst-Switched Networks without Wavelength Conversion 

      Triay Marquès, Joan; Perelló Muntan, Jordi; Cervelló Pastor, Cristina; Spadaro, Salvatore (IEEE, 2009-06-28)
      Comunicació de congrés
      Accés obert
      In this paper, a new MAC protocol for OBS networks is introduced, described and evaluated. Into operation, DAOBS avoids burst collisions in the core of the network by controlling the way OBS nodes access the optical channel. ...
    • On extending ESnet's OSCARS with a multi-domain anycast service 

      Boddie, Mark; Entel, Timothy; Guok, Chin; Lake, Andrew; Plante, Jeremy; Pouyoul, Eric; Ramaprasad, Bharath H.; Tierney, Brian; Triay Marquès, Joan; Vokkarane, Vinod M. (IEEE, 2012)
      Comunicació de congrés
      Accés obert
      Current scientific data applications require advanced network provisioning systems to support the transport of large volumes of data. Due to the availability of diverse computing and Grid clusters, these applications can ...
    • QoS Multi-Spanning Tree for Optical Burst Switching 

      Triay Marquès, Joan; Cervelló Pastor, Cristina (IEEE, 2008-02)
      Comunicació de congrés
      Accés obert
      Optical Burst Switching (OBS) has been proposed as a future high-speed switching technology for Internet Protocol (IP) networks that may be able to efficiently utilize extremely high capacity links without the need for ...
    • QoS-Enabled distributed access on optical burst-switched networks 

      Triay Marquès, Joan; Zervas, Georgios; Cervelló Pastor, Cristina; Nejabati, Reza; Simeonidou, Dimitra (IEEE Press. Institute of Electrical and Electronics Engineers, 2010-01)
      Comunicació de congrés
      Accés obert
      Optical Burst Switching (OBS) has been proposed as an efficient technology to cope with the ever increasing bursty traffic on the Internet. The emergence of a broad range of network-driven applications (e.g. multimedia, ...
    • Time Shared Optical Network (TSON): a novel metro architecture for flexible multi-granular services 

      Zervas, Georgios S.; Triay Marquès, Joan; Amaya, Norberto; Qin, Yixuan; Cervelló Pastor, Cristina; Simeonidou, Dimitra (2011-11-28)
      Article
      Accés obert
      This paper presents the Time Shared Optical Network (TSON) as metro mesh network architecture for guaranteed, statistically-multiplexed services. TSON proposes a flexible and tunable time-wavelength assignment along with ...
    • Time shared optical network (TSON): A novel metro architecture for flexible multi-granular services 

      Zervas, Georgios S.; Triay Marquès, Joan; Amaya González, Norberto; Qin, Yixuan; Cervelló Pastor, Cristina; Simeonidou, Dimitra (2011)
      Comunicació de congrés
      Accés obert
      This paper presents the TSON metro mesh network architecture for guaranteed, statistically-multiplexed services. It proposes tunable time-wavelength assignment, one-way treebased reservation and node architecture. Results ...