Now showing items 1-20 of 95

    • A conflict-free memory banking architecture for fast VOQ packet buffers 

      García Vidal, Jorge; Cerdà Alabern, Llorenç; Corbal San Adrián, Jesús; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2003)
      Conference report
      Open Access
      In order to support the enormous growth of the Internet, innovative research in every router subsystem is needed. We focus our attention on packet buffer design for routers supporting high-speed line rates. More specifically, ...
    • A distributed QoS Routing and CAC framework: performance evaluation of its SSRA and InterD Agents 

      Barolli, Leonard; Ikeda, Makoto; Durresi, Arjan; Xhafa Xhafa, Fatos; Koyama, Akio (Institute of Electrical and Electronics Engineers (IEEE), 2007)
      Conference report
      Open Access
      In order to support multimedia communication, it is necessary to develop routing algorithms which use for routing more than one QoS parameters. This is because new services such as video on demand and remote meeting systems ...
    • A fuzzy based call admission control scheme for wireless cellular networks considering priority of on-going connections 

      Mino, Gjergji; Barolli, Leonard; Durresi, Arjan; Xhafa Xhafa, Fatos; Koyama, Akio (Institute of Electrical and Electronics Engineers (IEEE), 2009)
      Conference report
      Open Access
      The mobile cellular systems are expected to support multiple services with guaranteed Quality of Service (QoS).But, the ability of wireless systems to accommodate expected growth of traffic load and broadband services is ...
    • A fuzzy-based CAC scheme for wireless cellular networks considering different priorities 

      Ikebata, Taku; Mino, Gjergji; Barolli, Leonard; Koyama, Akio; Durresi, Arjan; Xhafa Xhafa, Fatos (Institute of Electrical and Electronics Engineers (IEEE), 2010)
      Conference report
      Open Access
      The mobile cellular systems are expected to support multiple services with guaranteed Quality of Service(QoS). But, the ability of wireless systems to accommodate expected growth of traffic load and broadband services is ...
    • A fuzzy-based call admission control system for wireless cellular networks 

      Barolli, Leonard; Xhafa Xhafa, Fatos; Durresi, Arjan; Koyama, Akio (Institute of Electrical and Electronics Engineers (IEEE), 2007)
      Conference report
      Open Access
      The mobile cellular systems are expected to support multiple services with guaranteed quality of service (QoS). However, the ability of wireless systems to accommodate expected growth of traffic load and broadband services ...
    • 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
      Open Access
      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 ...
    • A novel architecture for efficient fog to cloud data management in smart cities 

      Sinaeepourfard, Amir; García Almiñana, Jordi; Masip Bruin, Xavier; Marín Tordera, Eva (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference report
      Open Access
      Traditional smart city resources management rely on cloud based solutions to provide a centralized and rich set of open data. The advantages of cloud based frameworks are their ubiquity, (almost) unlimited resources capacity, ...
    • A scalable synthetic traffic model of Graph500 for computer networks analysis 

      Fuentes Sáez, Pablo; Benito, Mariano; Vallejo, Enrique; Bosque Orero, José Luis; Beivide Palacio, Ramon; Anghel, Andreea; Rodríguez Herrera, Germán; Gusat, Mitch; Minkenberg, Cyriel; Valero Cortés, Mateo (2017-12-25)
      Article
      Open Access
      The Graph500 benchmark attempts to steer the design of High-Performance Computing systems to maximize the performance under memory-constricted application workloads. A realistic simulation of such benchmarks for architectural ...
    • A service-oriented hybrid access network and clouds architecture 

      Velasco Esteban, Luis Domingo; Contreras, Luis Miguel; Ferraris, Giuseppe; Stavdas, Alexandros; Cugini, Filippo; Wiegand, Manfred; Fernández Palacios, Juan Pedro (2015-04-01)
      Article
      Open Access
      Many telecom operators are deploying their own cloud infrastructure with the two-fold objective of providing cloud services to their customers and enabling network function virtualization. In this article we present an ...
    • A streaming flow-based technique for traffic classification applied to 12 + 1 years of Internet traffic 

      Carela Español, Valentín; Barlet Ros, Pere; Bifet Figuerol, Albert Carles; Fukuda, Kensuke (2016-10)
      Article
      Open Access
      The continuous evolution of Internet traffic and its applications makes the classification of network traffic a topic far from being completely solved. An essential problem in this field is that most of proposed techniques ...
    • ABNO-driven content distribution in the telecom cloud 

      Gifre Renom, Lluís; Tornatore, Massimo; Contreras Murillo, Luis Miguel; Mukherjee, Biswanath; Velasco Esteban, Luis Domingo (2017-11-01)
      Article
      Open Access
      As current traffic growth is expected to strain capacity of today¿s metro network, novel content distribution architectures where contents are placed closer to the users are being investigated. In that regard, telecom ...
    • Adaptive channel assignment for wireless mesh networks using game theory 

      Amiri Nezhad, Maryam; Cerdà Alabern, Llorenç (Institute of Electrical and Electronics Engineers (IEEE), 2011)
      Conference report
      Open Access
      Channel assignment has been extensively researched for multi-radio wireless mesh networks, but it is still very challenging when it comes to its implementation. In this paper we propose a semi-dynamic and distributed channel ...
    • An analytical model for Loc/ID mappings caches 

      Coras, Florin-Tudorel; Domingo Pascual, Jordi; Lewis, Darrel; Cabellos Aparicio, Alberto (2016-02)
      Article
      Open Access
      Concerns regarding the scalability of the interdomain routing have encouraged researchers to start elaborating a more robust Internet architecture. While consensus on the exact form of the solution is yet to be found, the ...
    • An autonomic traffic classification system for network operation and management 

      Carela Español, Valentín; Barlet Ros, Pere; Mulla Valls, Oriol; Solé Pareta, Josep (2015-07-01)
      Article
      Open Access
      Traffic classification is an important aspect in network operation and management, but challenging from a research perspective. During the last decade, several works have proposed different methods for traffic classification. ...
    • An empirical study of effective capacity throughputs in 802.11 wireless networks 

      Davy, Alan; Meskill, Brian; Domingo Pascual, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Conference report
      Open Access
      Current literature defines the effective capacity of a wireless link as the maximum throughput that can be supported while meeting specific Quality of Service targets on packet delay. This metric can be harnessed for a ...
    • Analyzing the impact of communication imbalance in high-speed networks 

      Utrera Iglesias, Gladys Miriam; Gil, Marisa; Martorell Bofill, Xavier (2017-12-21)
      Article
      Open Access
      In this work we analyze the communication load imbalance generated by irregular-data applications running in a multi-node cluster. Experimental approaches to diminish communication load imbalance are evaluated using a ...
    • Contention-based nonminimal adaptive routing in high-radix networks 

      Fuentes Sáez, Pablo; Vallejo, Enrique; García, Marina; Beivide Palacio, Julio Ramón; Rodríguez, Germán; Minkenberg, Cyriel; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Open Access
      Adaptive routing is an efficient congestion avoidance mechanism for modern Datacenter and HPC networks. Congestion detection traditionally relies on the occupancy of the router queues. However, this approach can hinder ...
    • Cost effective node deployment strategy for energy-balanced and delay-efficient data collection in wireless sensor networks 

      Doudou, Messaoud; Djenouri, Djamel; Barceló Ordinas, José María; Badache, Nadjib (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Open Access
      The real-world node deployment aspect is investigated, while considering cost minimization for resolving the energy hole around the sink, which represents a serious problem in typical sensor networks with uniform distribution. ...
    • Cost-efficient virtual optical network embedding for manageable inter-data-center connectivity 

      Perelló Muntan, Jordi; Spadaro, Salvatore; Pavón Mariño, Pablo (2013-02)
      Article
      Open Access
      Network virtualization opens the door to novel infrastructure services offering connectivity and node manageability. In this letter, we focus on the cost-efficient embedding of on-demand virtual optical network requests ...
    • Cross-stratum orchestration and flexgrid optical networks for datacenter federations 

      Velasco Esteban, Luis Domingo; Asensio Garcia, Adrian; Castro Casales, Alberto; Berral García, Josep Lluís; Carrera Pérez, David; López, Víctor; Fernández Palacios, Juan Pedro (2013-11)
      Article
      Restricted access - publisher's policy
      Current inter-data-center connections are configured as static big fat pipes, which entails large bit rate over-provisioning and thus high operational costs for DC operators. On the other hand, network operators cannot ...