Now showing items 13-24 of 24

  • MANTICORE II: IP Network as a Service Pilots at HEAnet, NORDUnet and RedIRIS 

    Cabello, Isidro; Simeonidou, Dimitra; Lonvich, Chris; Uze, Jean Marc; de Miguel, Tomas P.; Fischer, Lars; Wilson, Dave; Reijs, Victor; Grasa Gras, Eduard; Figuerola, Sergi; Barrera, Xavier; Ferrao, Laia; Baez, Carlos; Minoves, Pau; Hesselbach Serra, Xavier; Botero Vega, Juan Felipe (2010)
    Conference report
    Open Access
    MANTICORE II follows the Infrastructure as a Service (IaaS) paradigm to enable National Research and Education Networks (NRENs) and other e-infrastructure providers to enhance their service portfolio by building and piloting ...
  • Multi-service MAC-enabled OBS networks 

    Triay Marquès, Joan; Zervas, Georgios; Cervelló Pastor, Cristina; Nejabati, Reza; Simeonidou, Dimitra (2010-03)
    Conference lecture
    Restricted access - publisher's policy
    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 ...
  • Multi-tenant software-defined hybrid optical switched data centre 

    Peng, Shuping; Guo, Bingli; Jackson, Chris; Najabati, Reza; Agraz Bujan, Fernando; Spadaro, Salvatore; Bernini, Giacomo; Ciulli, Nicola; Simeonidou, Dimitra (2015-08-01)
    Article
    Open Access
    We introduce a holistic solution for software-defined optical data centres (DC). Hybrid optical circuit/packet switching technologies are employed in the data plane, while a software-defined networking (SDN) controller ...
  • 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
    Open Access
    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) ...
  • Optimal virtual slice composition toward multi-tenancy over hybrid OCS/OPS data center networks 

    Pagès Cruz, Albert; Pérez Sanchis, Miguel; Peng, Shuping; Perelló Muntan, Jordi; Simeonidou, Dimitra; Spadaro, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2015-10-01)
    Article
    Open Access
    Multi-tenancy is a key feature of modern data centers. It allows for the existence of multiple independent virtual infrastructures, called virtual slices, on top of the same physical infrastructure, each of them specially ...
  • Planning of dynamic virtual optical cloud infrastructures: the GEYSERS approach 

    Tzanakaki, Anna; Anastasopoulos, Markos; Landi, Giada; Bernini, Giacomo; Ciulli, Nicola; Riera, Jordi; Escalona Zorita, Eduard; García Espin, Joan Antoni; Hesselbach Serra, Xavier; Figuerola Fernández, Sergi; Peng, Shuping; Nejabati, Reza; Simeonidou, Dimitra; Parniewicz, Damian; Belter, Bartosz (2014-01-01)
    Article
    Restricted access - publisher's policy
    This article focuses on planning and replanning of virtual infrastructures over optical cloud infrastructures comprising integrated optical network and IT resources. This concept has been developed in the context of the ...
  • 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)
    Conference lecture
    Open Access
    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, ...
  • Research in optical burst switching within the e-Photon/ONe network of excellence 

    González de Dios, Óscar; Aracil Rico, Javier; Akar, Nail; Bjornstad, Steinar; Casoni, Maurizio; Christodoulopoulos, K.; Careglio, Davide; Fernández Palacios, Juan Pedro; Gauger, C.; Tosi Beleffi, Giorgio M.; Stol, Norvald; Simeonidou, Dimitra; Raffaelli, Carla; Overby, Harald; Nejabati, Reza; Morató, Daniel; Klinkowski, Miroslaw; Karasan, Ezhan; Hu, Guoqiang; Vlachos, K. (2007-02)
    Article
    Restricted access - publisher's policy
    This paper presents a summary of Optical Burst Switching (OBS) research within the VI framework program e-Photon/ONe network of excellence. The paper includes network aspects such as routing techniques, resilience and ...
  • SDN-enabled OPS with QoS guarantee for reconfigurable virtual data center networks 

    Miao, Wang; Agraz Bujan, Fernando; Peng, Shuping; Spadaro, Salvatore; Bernini, Giacomo; Perelló Muntan, Jordi; Zervas, Georgios; Nejabati, Reza; Ciulli, Nicola; Simeonidou, Dimitra; Dorren, Harm; Calabretta, Nicola (Institute of Electrical and Electronics Engineers (IEEE), 2015-07-01)
    Article
    Open Access
    Optical packet switching (OPS) can enhance the performance of data center networks (DCNs) by providing fast and large-capacity switching capability. Benefiting from the software-defined networking (SDN) control plane, which ...
  • 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
    Open Access
    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)
    Conference lecture
    Open Access
    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 ...
  • Virtual Infrastructures as a service enabling converged optical networks and Data Centres 

    Ferrer Riera, Jordi; Tzanakaki, Anna; Antonescu, Alexandru-Florian; Anastasopoulos, Markos; García Espin, Joan Antoni; Escalona Zorita, Eduard; Peng, Shuping; Landi, Giada; Bernini, Giacomo; Belter, Bartosz; Parniewicz, Damian; Hesselbach Serra, Xavier; Figuerola Fernández, Sergi; Simeonidou, Dimitra (2014-08)
    Article
    Restricted access - publisher's policy
    Cloud computing service emerged as an essential component of the Enterprise IT infrastructure. Migration towards a full range and large-scale convergence of Cloud and network services has become the current trend for ...