Enviaments recents

  • Global state, local decisions: Decentralized NFV for ISPs via enhanced SDN 

    Rodriguez Natal, Alberto; Ermagan, Vina; Noy, Ariel; Sahai, Ajay; Kaempfer, Gideon; Barkai, Sharon; Maino, Fabio; Cabellos Aparicio, Alberto (2017-04-14)
    Article
    Accés obert
    The network functions virtualization paradigm is rapidly gaining interest among Internet service providers. However, the transition to this paradigm on ISP networks comes with a unique set of challenges: legacy equipment ...
  • A multiobjective wavelength routing approach combining network and traffic engineering with energy awareness 

    Palmieri, Francesco; Ricciardi, Sergio; Fiore, Ugo; Castiglione, Aniello; Careglio, Davide (2017-12-01)
    Article
    Accés obert
    In modern optical networks, infrastructure management is faced with the challenge of using expensive equipment and communication resources as efficiently as possible. This now includes keeping power consumption costs at a ...
  • The computational complexity of QoS measures for orchestrations 

    Gabarró Vallès, Joaquim; Leon Gaixas, Sergio; Serna Iglesias, María José (2017-11-01)
    Article
    Accés obert
    We consider Web services defined by orchestrations in the Orc language and two natural quality of services measures, the number of outputs and a discrete version of the first response time. We analyse first those subfamilies ...
  • Routing at large scale: advances and challenges for complex networks 

    Sahhaf, Sahel; Tavernier, Wouter; Papadimitriou, Dimitri; Careglio, Davide; Kumar, Alok; Glacet, Christian; Coudert, David; Nisse, Nicolas; Fàbrega Soler, LLuís; Vila, Pere; Camelo, Miguel; Audenaert, Pieter; Colle, Didier; Demeester, Piet M.A. (2017-07-01)
    Article
    Accés obert
    A wide range of social, technological and communication systems can be described as complex networks. Scale-free networks are one of the well known classes of complex networks in which nodes' degrees follow a power-law ...
  • Use of terahertz photoconductive sources to characterize tunable graphene RF plasmonic antennas 

    Cabellos Aparicio, Alberto; Llatser Marti, Ignacio; Alarcón Cot, Eduardo José; Hsu, Allen; Palacios, Tomás (2015-03)
    Article
    Accés obert
    Graphene, owing to its ability to support plasmon polariton waves in the terahertz frequency range, enables the miniaturization and electrical tunability of antennas to allow wireless communications among nanosystems. One ...
  • Every timestamp counts: accurate tracking of network latencies using reconcilable difference aggregator 

    Fu, Yongquang; Barlet Ros, Pere; Li, Dongsheng (2017-11-07)
    Article
    Accés obert
    IEEE User-facing services deployed in data centers must respond quickly to user actions. The measurement of network latencies is of paramount importance. Recently, a new family of compact data structures has been proposed ...
  • Evaluation of core-continuity-constrained ROADMs for flex-grid/MCF optical networks 

    Moreno Muro, Francisco Javier; Rumipamba Zambrano, Rubén Darío; Pavón Mariño, Pablo; Perelló Muntan, Jordi; Gene Bernaus, Joan M.; Spadaro, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2017-11-01)
    Article
    Accés restringit per política de l'editorial
    To effectively keep pace with the global IP traffic growth forecasted in the years to come, flex-grid over multi-core fiber (MCF) networks can bring superior spectrum utilization flexibility, as well as bandwidth scalability ...
  • OrthoNoC: a broadcast-oriented dual-plane wireless network-on-chip architecture 

    Abadal Cavallé, Sergi; Torrellas Jovani, Josep; Alarcón Cot, Eduardo José; Cabellos Aparicio, Alberto (2017-10-20)
    Article
    Accés obert
    On-chip communication remains as a key research issue at the gates of the manycore era. In response to this, novel interconnect technologies have opened the door to new Network-on-Chip (NoC) solutions towards greater ...
  • Scalable topological forwarding and routing policies in RINA-enabled programmable data centers 

    Leon Gaixas, Sergio; Perelló Muntan, Jordi; Careglio, Davide; Grasa, Eduard; Lopez, Diego; Aranda Gutiérrez, Pedro Andrés (Wiley-Blackwell, 2017-11-19)
    Article
    Accés restringit per política de l'editorial
    Given the current expansion of cloud computing, the expected advent of the Internet of Things, and the requirements of future fifth-generation network infrastructures, significantly larger pools of computational and storage ...
  • Cognitive science applied to reduce network operation margins 

    Notivol Calleja, Luis David; Spadaro, Salvatore; Perelló Muntan, Jordi; Junyent Giralt, Gabriel (2017-06-08)
    Article
    Accés restringit per política de l'editorial
    In an increasingly competitive market environment with smaller product offer differentiation, a continuous maximization of efficiency, while guarantying the quality of the provided services, remains a main objective for ...
  • Cost-effective spatial super-channel allocation in Flex-Grid/MCF optical core networks 

    Rumipamba Zambrano, Rubén Darío; Perelló Muntan, Jordi; Gene Bernaus, Joan M.; Spadaro, Salvatore (2018-01-01)
    Article
    Accés restringit per política de l'editorial
    Space Division Multiplexing (SDM) is a key technology to cope with the bandwidth limitations of single mode fibers. Multi-Core Fibers (MCFs) are considered as a promising candidate technology to implement SDM, due to their ...
  • A survey on web tracking: mechanisms, implications, and defenses 

    Bujlow, Tomasz; Carela Español, Valentín; Solé Pareta, Josep; Barlet Ros, Pere (2017-08-01)
    Article
    Accés obert
    Privacy seems to be the Achilles' heel of today's web. Most web services make continuous efforts to track their users and to obtain as much personal information as they can from the things they search, the sites they visit, ...

Mostra'n més