Exploració per autor "Pointurier, Yvan"

Ara es mostren els items 1-7 de 7

    • A comparative study of impairments aware optical networks planning tools 

      Azodolmolky, Siamak; Angelou, Marianna; Tomkos, Ioannis; Morea, Annalisa; Pointurier, Yvan; Solé Pareta, Josep (2010)
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      Transparent and translucent optical networks are widely considered as the prime candidates for the core network technology of the future. These networks provide ultra high speed end-to-end connectivity with high quality ...

    • A novel impairment aware RWA algorithm with consideration of QoT estimation inaccuracy 

      Azodolmolky, Siamak; Pointurier, Yvan; Angelou, Marianna; Careglio, Davide; Solé Pareta, Josep; Tomkos, Ioannis (IEEE Press. Institute of Electrical and Electronics Engineers, 2011-04)
      Article
      Accés restringit per política de l'editorial
      In all-optical networks the physical layer impairments accumulate along a lightpath and also vary dynamically, and a number of impairment aware routing and wavelength assignment (IA-RWA) techniques have been proposed in ...

    • A novel monitor placement algorithm for accurate performance monitoring in optical networks 

      Angelou, Marianna; Pointurier, Yvan; Azodolmolky, Siamak; Careglio, Davide; Spadaro, Salvatore; Tomkos, Ioannis (2011)
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      We propose a novel monitor placement algorithm that reduces significantly the number of monitors required to accurately assess the QoT of all lightpaths established in an optical network, compared to other monitor placement ...

    • A novel offline physical layer impairments aware RWA algorithm with dedicated path protection consideration 

      Azodolmolky, Siamak; Klinkowski, Miroslaw; Pointurier, Yvan; Angelou, Marianna; Careglio, Davide; Solé Pareta, Josep; Tomkos, Ioannis (2010-10-15)
      Article
      Accés obert
      Physical layer impairments accumulate as light propagates through a lightpath in the transparent optical networks. Therefore, it is possible to provision a lightpath, while its quality of transmission (QoT) does not meet ...

    • Experimental demonstration of centralized and distributed impairment-aware control plane schemes for dynamic transparent optical networks 

      Tomkos, Ioannis; Gunkel, Mathias; Varvarigos, Manos; Kokkinos, Panagiotis; Pointurier, Yvan; Agraz Bujan, Fernando; Azodolmolky, Siamak; Angelou, Marianna; Perelló Muntan, Jordi; Velasco Esteban, Luis Domingo; Spadaro, Salvatore; Francescon, Antonio; Saradhi, Chava (IEEE Computer Society Publications, 2010)
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      Accés obert
      In transparent optical networks, the signal experiences the impact of various phenomena that degrade its quality. Considering the impact of physical layer impairments (PLIs) on transparent [1] and highly dynamic optical ...

    • On the offline physical layer impairment aware RWA algorithms in transparent optical networks: state-of-the-art and beyond 

      Azodolmolky, Siamak; Pointurier, Yvan; Klinkowski, Miroslaw; Marín Tordera, Eva; Careglio, Davide; Solé Pareta, Josep; Angelou, Marianna; Tomkos, Ioannis (IEEE Press and Wiley, 2009-02-18)
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      Accés obert
      In transparent optical networks with no regeneration, the problem of capacity allocation to traffic demands is called "Roting and Wavelength Assignment". Much work on this topic recently has focused on the dynamic case, ...

    • Routing and wavelength assignment for transparent optical networks with QoT estimation inaccuracies 

      Azodolmolky, Siamak; Pointurier, Yvan; Angelou, Marianna; Solé Pareta, Josep; Tomkos, Ioannis (2010)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      We show how inaccuracies of Quality of Transmission (QoT) estimations, caused by imperfect models and lack of monitors in transparent optical networks, can be mitigated using a novel routing and wavelength assignment algorithm.